B-Stress Formula

Vitamin C

Ascorbic acid

Tests done on every batch

Manufacturers determine the amount and types of testing done on raw ingredients. Nature’s Way goes above and beyond industry standards with extensive testing on every batch of ingredients before they even go into production.

Vitamin C

Nature’s Way analyzes every batch of ascorbic acid to ensure that you receive the amount of vitamin C per serving that’s stated on the label.

Potency assay

Testing is performed on certain raw materials to measure the potency of a key component. This testing ensures consistency across batches, so you can feel confident that the ingredient matches what’s stated on the label.

Identification

For non-botanical ingredients such as vitamins and minerals, Nature’s Way uses the test method that has been validated for the specific ingredient. Among these methods are Fourier-Transform Infrared Spectroscopy (FTIR), Inductively Coupled Plasma Mass Spectrometry (ICP-MS), and Liquid Chromatography-Mass Spectrometry (LC-MS) for complex ingredients.

Microbiological contaminants

Nature’s Way tests every ingredient for microbial contaminants that can break down ingredients, decrease potency, and degrade a product’s quality. Verifying that ingredients meet regulatory standards for microorganisms like bacteria, molds, and yeasts helps ensure a safe and compliant product.

Tests performed periodically

Nature’s Way performs additional tests to ensure every supplier’s testing meets federal regulatory and our own high standards. Extra testing is especially critical for monitoring higher-risk botanicals.

Heavy metals

Nature’s Way verifies suppliers' compliance with protective laws like California’s Proposition 65 on a periodic or annual basis. We do this to ensure the raw material meets regulatory standards and won’t expose you to harmful levels of heavy metals, including arsenic, cadmium, mercury, and lead.

Solvent residue

Trace amounts of solvents used during processes such as ingredient extraction may remain in the raw materials. Performing USP <467> screening ensures that residual solvents are within safe, regulated limits. Annual testing of the ingredient ensures it is processed according to Good Manufacturing Practices.

Vitamin B1

Thiamin hydrochloride

Tests done on every batch

Manufacturers determine the amount and types of testing done on raw ingredients. Nature’s Way goes above and beyond industry standards with extensive testing on every batch of ingredients before they even go into production.

Thiamin HCl

Nature’s Way tests the potency of every batch of thiamin hydrochloride to ensure that you receive the amount of vitamin B1 per serving that’s stated on the label.

Potency assay

Testing is performed on certain raw materials to measure the potency of a key component. This testing ensures consistency across batches, so you can feel confident that the ingredient matches what’s stated on the label.

Identification

For non-botanical ingredients such as vitamins and minerals, Nature’s Way uses the test method that has been validated for the specific ingredient. Among these methods are Fourier-Transform Infrared Spectroscopy (FTIR), Inductively Coupled Plasma Mass Spectrometry (ICP-MS), and Liquid Chromatography-Mass Spectrometry (LC-MS) for complex ingredients.

Microbiological contaminants

Nature’s Way tests every ingredient for microbial contaminants that can break down ingredients, decrease potency, and degrade a product’s quality. Verifying that ingredients meet regulatory standards for microorganisms like bacteria, molds, and yeasts helps ensure a safe and compliant product.

Tests performed periodically

Nature’s Way performs additional tests to ensure every supplier’s testing meets federal regulatory and our own high standards. Extra testing is especially critical for monitoring higher-risk botanicals.

Heavy metals

Nature’s Way verifies suppliers' compliance with protective laws like California’s Proposition 65 on a periodic or annual basis. We do this to ensure the raw material meets regulatory standards and won’t expose you to harmful levels of heavy metals, including arsenic, cadmium, mercury, and lead.

Solvent residue

Trace amounts of solvents used during processes such as ingredient extraction may remain in the raw materials. Performing USP <467> screening ensures that residual solvents are within safe, regulated limits. Annual testing of the ingredient ensures it is processed according to Good Manufacturing Practices.

Vitamin B2 (Riboflavin)

Riboflavin

Tests done on every batch

Manufacturers determine the amount and types of testing done on raw ingredients. Nature’s Way goes above and beyond industry standards with extensive testing on every batch of ingredients before they even go into production.

Riboflavin

Nature’s Way tests the potency of every batch of riboflavin to ensure that you receive the amount of vitamin B2 per serving that’s stated on the label.

Potency assay

Testing is performed on certain raw materials to measure the potency of a key component. This testing ensures consistency across batches, so you can feel confident that the ingredient matches what’s stated on the label.

Identification

For non-botanical ingredients such as vitamins and minerals, Nature’s Way uses the test method that has been validated for the specific ingredient. Among these methods are Fourier-Transform Infrared Spectroscopy (FTIR), Inductively Coupled Plasma Mass Spectrometry (ICP-MS), and Liquid Chromatography-Mass Spectrometry (LC-MS) for complex ingredients.

Microbiological contaminants

Nature’s Way tests every ingredient for microbial contaminants that can break down ingredients, decrease potency, and degrade a product’s quality. Verifying that ingredients meet regulatory standards for microorganisms like bacteria, molds, and yeasts helps ensure a safe and compliant product.

Tests performed periodically

Nature’s Way performs additional tests to ensure every supplier’s testing meets federal regulatory and our own high standards. Extra testing is especially critical for monitoring higher-risk botanicals.

Heavy metals

Nature’s Way verifies suppliers' compliance with protective laws like California’s Proposition 65 on a periodic or annual basis. We do this to ensure the raw material meets regulatory standards and won’t expose you to harmful levels of heavy metals, including arsenic, cadmium, mercury, and lead.

Vitamin B2 (Riboflavin-5’-phosphate)

Riboflavin-5’-phosphate

Tests done on every batch

Manufacturers determine the amount and types of testing done on raw ingredients. Nature’s Way goes above and beyond industry standards with extensive testing on every batch of ingredients before they even go into production.

Riboflavin-5’-phosphate

Nature’s Way tests the potency of every batch of raw material to ensure that you receive the amount of vitamin B2 per serving that’s stated on the label.

Potency assay

Testing is performed on certain raw materials to measure the potency of a key component. This testing ensures consistency across batches, so you can feel confident that the ingredient matches what’s stated on the label.

Identification

For non-botanical ingredients such as vitamins and minerals, Nature’s Way uses the test method that has been validated for the specific ingredient. Among these methods are Fourier-Transform Infrared Spectroscopy (FTIR), Inductively Coupled Plasma Mass Spectrometry (ICP-MS), and Liquid Chromatography-Mass Spectrometry (LC-MS) for complex ingredients.

Microbiological contaminants

Nature’s Way tests every ingredient for microbial contaminants that can break down ingredients, decrease potency, and degrade a product’s quality. Verifying that ingredients meet regulatory standards for microorganisms like bacteria, molds, and yeasts helps ensure a safe and compliant product.

Solvent residue

Trace amounts of solvents used during processes such as ingredient extraction may remain in the raw materials. Performing USP <467> screening ensures that residual solvents are within safe, regulated limits. Testing every lot of the ingredient ensures it is processed according to Good Manufacturing Practices.

Tests performed periodically

Nature’s Way performs additional tests to ensure every supplier’s testing meets federal regulatory and our own high standards. Extra testing is especially critical for monitoring higher-risk botanicals.

Heavy metals

Nature’s Way verifies suppliers' compliance with protective laws like California’s Proposition 65 on a periodic or annual basis. We do this to ensure the raw material meets regulatory standards and won’t expose you to harmful levels of heavy metals, including arsenic, cadmium, mercury, and lead.

Niacin (Nicotinic acid)

Nicotinic acid

Tests done on every batch

Manufacturers determine the amount and types of testing done on raw ingredients. Nature’s Way goes above and beyond industry standards with extensive testing on every batch of ingredients before they even go into production.

Niacin

Nature’s Way tests every batch of niacin to ensure that you receive the potency promised on the label.

Potency assay

Testing is performed on certain raw materials to measure the potency of a key component. This testing ensures consistency across batches, so you can feel confident that the ingredient matches what’s stated on the label.

Identification

For non-botanical ingredients such as vitamins and minerals, Nature’s Way uses the test method that has been validated for the specific ingredient. Among these methods are Fourier-Transform Infrared Spectroscopy (FTIR), Inductively Coupled Plasma Mass Spectrometry (ICP-MS), and Liquid Chromatography-Mass Spectrometry (LC-MS) for complex ingredients.

Microbiological contaminants

Nature’s Way tests every ingredient for microbial contaminants that can break down ingredients, decrease potency, and degrade a product’s quality. Verifying that ingredients meet regulatory standards for microorganisms like bacteria, molds, and yeasts helps ensure a safe and compliant product.

Tests performed periodically

Nature’s Way performs additional tests to ensure every supplier’s testing meets federal regulatory and our own high standards. Extra testing is especially critical for monitoring higher-risk botanicals.

Heavy metals

Nature’s Way verifies suppliers' compliance with protective laws like California’s Proposition 65 on a periodic or annual basis. We do this to ensure the raw material meets regulatory standards and won’t expose you to harmful levels of heavy metals, including arsenic, cadmium, mercury, and lead.

Niacin (Niacinamide)

Niacinamide

Tests done on every batch

Manufacturers determine the amount and types of testing done on raw ingredients. Nature’s Way goes above and beyond industry standards with extensive testing on every batch of ingredients before they even go into production.

Niacinamide

Nature’s Way tests the potency of every batch of raw material to ensure that you receive the amount of niacin per serving that’s stated on the label.

Potency assay

Testing is performed on certain raw materials to measure the potency of a key component. This testing ensures consistency across batches, so you can feel confident that the ingredient matches what’s stated on the label.

Identification

For non-botanical ingredients such as vitamins and minerals, Nature’s Way uses the test method that has been validated for the specific ingredient. Among these methods are Fourier-Transform Infrared Spectroscopy (FTIR), Inductively Coupled Plasma Mass Spectrometry (ICP-MS), and Liquid Chromatography-Mass Spectrometry (LC-MS) for complex ingredients.

Microbiological contaminants

Nature’s Way tests every ingredient for microbial contaminants that can break down ingredients, decrease potency, and degrade a product’s quality. Verifying that ingredients meet regulatory standards for microorganisms like bacteria, molds, and yeasts helps ensure a safe and compliant product.

Tests performed periodically

Nature’s Way performs additional tests to ensure every supplier’s testing meets federal regulatory and our own high standards. Extra testing is especially critical for monitoring higher-risk botanicals.

Heavy metals

Nature’s Way verifies suppliers' compliance with protective laws like California’s Proposition 65 on a periodic or annual basis. We do this to ensure the raw material meets regulatory standards and won’t expose you to harmful levels of heavy metals, including arsenic, cadmium, mercury, and lead.

Solvent residue

Trace amounts of solvents used during processes such as ingredient extraction may remain in the raw materials. Performing USP <467> screening ensures that residual solvents are within safe, regulated limits. Annual testing of the ingredient ensures it is processed according to Good Manufacturing Practices.

Vitamin B6 (Pyridoxal-5’-phosphate)

Pyridoxal-5’-phosphate

Tests done on every batch

Manufacturers determine the amount and types of testing done on raw ingredients. Nature’s Way goes above and beyond industry standards with extensive testing on every batch of ingredients before they even go into production.

Pyridoxal-5’-phosphate

Nature’s Way tests the potency of every batch of raw material to ensure that you receive the amount of vitamin B6 per serving that’s stated on the label.

Potency assay

Testing is performed on certain raw materials to measure the potency of a key component. This testing ensures consistency across batches, so you can feel confident that the ingredient matches what’s stated on the label.

Identification

For non-botanical ingredients such as vitamins and minerals, Nature’s Way uses the test method that has been validated for the specific ingredient. Among these methods are Fourier-Transform Infrared Spectroscopy (FTIR), Inductively Coupled Plasma Mass Spectrometry (ICP-MS), and Liquid Chromatography-Mass Spectrometry (LC-MS) for complex ingredients.

Microbiological contaminants

Nature’s Way tests every ingredient for microbial contaminants that can break down ingredients, decrease potency, and degrade a product’s quality. Verifying that ingredients meet regulatory standards for microorganisms like bacteria, molds, and yeasts helps ensure a safe and compliant product.

Solvent residue

Trace amounts of solvents used during processes such as ingredient extraction may remain in the raw materials. Performing USP <467> screening ensures that residual solvents are within safe, regulated limits. Testing every lot of the ingredient ensures it is processed according to Good Manufacturing Practices.

Tests performed periodically

Nature’s Way performs additional tests to ensure every supplier’s testing meets federal regulatory and our own high standards. Extra testing is especially critical for monitoring higher-risk botanicals.

Heavy metals

Nature’s Way verifies suppliers' compliance with protective laws like California’s Proposition 65 on a periodic or annual basis. We do this to ensure the raw material meets regulatory standards and won’t expose you to harmful levels of heavy metals, including arsenic, cadmium, mercury, and lead.

Vitamin B6 (Pyridoxine HCl)

Pyridoxine hydrochloride

Tests done on every batch

Manufacturers determine the amount and types of testing done on raw ingredients. Nature’s Way goes above and beyond industry standards with extensive testing on every batch of ingredients before they even go into production.

Pyridoxine HCl

Nature’s Way tests the potency of every batch of pyridoxine hydrochloride to ensure that you receive the amount of vitamin B6 per serving that’s stated on the label.

Potency assay

Testing is performed on certain raw materials to measure the potency of a key component. This testing ensures consistency across batches, so you can feel confident that the ingredient matches what’s stated on the label.

Identification

For non-botanical ingredients such as vitamins and minerals, Nature’s Way uses the test method that has been validated for the specific ingredient. Among these methods are Fourier-Transform Infrared Spectroscopy (FTIR), Inductively Coupled Plasma Mass Spectrometry (ICP-MS), and Liquid Chromatography-Mass Spectrometry (LC-MS) for complex ingredients.

Microbiological contaminants

Nature’s Way tests every ingredient for microbial contaminants that can break down ingredients, decrease potency, and degrade a product’s quality. Verifying that ingredients meet regulatory standards for microorganisms like bacteria, molds, and yeasts helps ensure a safe and compliant product.

Solvent residue

Trace amounts of solvents used during processes such as ingredient extraction may remain in the raw materials. Performing USP <467> screening ensures that residual solvents are within safe, regulated limits. Testing every lot of the ingredient ensures it is processed according to Good Manufacturing Practices.

Tests performed periodically

Nature’s Way performs additional tests to ensure every supplier’s testing meets federal regulatory and our own high standards. Extra testing is especially critical for monitoring higher-risk botanicals.

Heavy metals

Nature’s Way verifies suppliers' compliance with protective laws like California’s Proposition 65 on a periodic or annual basis. We do this to ensure the raw material meets regulatory standards and won’t expose you to harmful levels of heavy metals, including arsenic, cadmium, mercury, and lead.

Folate

Folic acid

Tests done on every batch

Manufacturers determine the amount and types of testing done on raw ingredients. Nature’s Way goes above and beyond industry standards with extensive testing on every batch of ingredients before they even go into production.

Folic acid

Nature’s Way tests the potency of every batch of raw material to ensure that you receive the amount of folate per serving that’s stated on the label.

Potency assay

Testing is performed on certain raw materials to measure the potency of a key component. This testing ensures consistency across batches, so you can feel confident that the ingredient matches what’s stated on the label.

Identification

For non-botanical ingredients such as vitamins and minerals, Nature’s Way uses the test method that has been validated for the specific ingredient. Among these methods are Fourier-Transform Infrared Spectroscopy (FTIR), Inductively Coupled Plasma Mass Spectrometry (ICP-MS), and Liquid Chromatography-Mass Spectrometry (LC-MS) for complex ingredients.

Microbiological contaminants

Nature’s Way tests every ingredient for microbial contaminants that can break down ingredients, decrease potency, and degrade a product’s quality. Verifying that ingredients meet regulatory standards for microorganisms like bacteria, molds, and yeasts helps ensure a safe and compliant product.

Tests performed periodically

Nature’s Way performs additional tests to ensure every supplier’s testing meets federal regulatory and our own high standards. Extra testing is especially critical for monitoring higher-risk botanicals.

Heavy metals

Nature’s Way verifies suppliers' compliance with protective laws like California’s Proposition 65 on a periodic or annual basis. We do this to ensure the raw material meets regulatory standards and won’t expose you to harmful levels of heavy metals, including arsenic, cadmium, mercury, and lead.

Vitamin B12

Cyanocobalamin

Tests done on every batch

Manufacturers determine the amount and types of testing done on raw ingredients. Nature’s Way goes above and beyond industry standards with extensive testing on every batch of ingredients before they even go into production.

Vitamin B12

Nature’s Way tests the potency of every batch of cyanocobalamin to ensure that you receive the amount of vitamin B12 per serving that’s stated on the label.

Potency assay

Testing is performed on certain raw materials to measure the potency of a key component. This testing ensures consistency across batches, so you can feel confident that the ingredient matches what’s stated on the label.

Identification

For non-botanical ingredients such as vitamins and minerals, Nature’s Way uses the test method that has been validated for the specific ingredient. Among these methods are Fourier-Transform Infrared Spectroscopy (FTIR), Inductively Coupled Plasma Mass Spectrometry (ICP-MS), and Liquid Chromatography-Mass Spectrometry (LC-MS) for complex ingredients.

Microbiological contaminants

Nature’s Way tests every ingredient for microbial contaminants that can break down ingredients, decrease potency, and degrade a product’s quality. Verifying that ingredients meet regulatory standards for microorganisms like bacteria, molds, and yeasts helps ensure a safe and compliant product.

Tests performed periodically

Nature’s Way performs additional tests to ensure every supplier’s testing meets federal regulatory and our own high standards. Extra testing is especially critical for monitoring higher-risk botanicals.

Heavy metals

Nature’s Way verifies suppliers' compliance with protective laws like California’s Proposition 65 on a periodic or annual basis. We do this to ensure the raw material meets regulatory standards and won’t expose you to harmful levels of heavy metals, including arsenic, cadmium, mercury, and lead.

Biotin

Tests done on every batch

Manufacturers determine the amount and types of testing done on raw ingredients. Nature’s Way goes above and beyond industry standards with extensive testing on every batch of ingredients before they even go into production.

Biotin

Nature’s Way tests the potency of every batch of raw material to ensure that you receive the amount of biotin per serving that’s stated on the label.

Potency assay

Testing is performed on certain raw materials to measure the potency of a key component. This testing ensures consistency across batches, so you can feel confident that the ingredient matches what’s stated on the label.

Identification

For non-botanical ingredients such as vitamins and minerals, Nature’s Way uses the test method that has been validated for the specific ingredient. Among these methods are Fourier-Transform Infrared Spectroscopy (FTIR), Inductively Coupled Plasma Mass Spectrometry (ICP-MS), and Liquid Chromatography-Mass Spectrometry (LC-MS) for complex ingredients.

Microbiological contaminants

Nature’s Way tests every ingredient for microbial contaminants that can break down ingredients, decrease potency, and degrade a product’s quality. Verifying that ingredients meet regulatory standards for microorganisms like bacteria, molds, and yeasts helps ensure a safe and compliant product.

Tests performed periodically

Nature’s Way performs additional tests to ensure every supplier’s testing meets federal regulatory and our own high standards. Extra testing is especially critical for monitoring higher-risk botanicals.

Heavy metals

Nature’s Way verifies suppliers' compliance with protective laws like California’s Proposition 65 on a periodic or annual basis. We do this to ensure the raw material meets regulatory standards and won’t expose you to harmful levels of heavy metals, including arsenic, cadmium, mercury, and lead.

Pantothenic Acid

D-calcium pantothenate

Tests done on every batch

Manufacturers determine the amount and types of testing done on raw ingredients. Nature’s Way goes above and beyond industry standards with extensive testing on every batch of ingredients before they even go into production.

Calcium pantothenate

Nature’s Way tests the potency of every batch of raw material to ensure that you receive the amount of pantothenic acid per serving that’s stated on the label.

Potency assay

Testing is performed on certain raw materials to measure the potency of a key component. This testing ensures consistency across batches, so you can feel confident that the ingredient matches what’s stated on the label.

Identification

For non-botanical ingredients such as vitamins and minerals, Nature’s Way uses the test method that has been validated for the specific ingredient. Among these methods are Fourier-Transform Infrared Spectroscopy (FTIR), Inductively Coupled Plasma Mass Spectrometry (ICP-MS), and Liquid Chromatography-Mass Spectrometry (LC-MS) for complex ingredients.

Microbiological contaminants

Nature’s Way tests every ingredient for microbial contaminants that can break down ingredients, decrease potency, and degrade a product’s quality. Verifying that ingredients meet regulatory standards for microorganisms like bacteria, molds, and yeasts helps ensure a safe and compliant product.

Solvent residue

Trace amounts of solvents used during processes such as ingredient extraction may remain in the raw materials. Performing USP <467> screening ensures that residual solvents are within safe, regulated limits. Testing every lot of the ingredient ensures it is processed according to Good Manufacturing Practices.

Tests performed periodically

Nature’s Way performs additional tests to ensure every supplier’s testing meets federal regulatory and our own high standards. Extra testing is especially critical for monitoring higher-risk botanicals.

Heavy metals

Nature’s Way verifies suppliers' compliance with protective laws like California’s Proposition 65 on a periodic or annual basis. We do this to ensure the raw material meets regulatory standards and won’t expose you to harmful levels of heavy metals, including arsenic, cadmium, mercury, and lead.

Choline

Choline bitartrate

Tests done on every batch

Manufacturers determine the amount and types of testing done on raw ingredients. Nature’s Way goes above and beyond industry standards with extensive testing on every batch of ingredients before they even go into production.

Choline bitartrate

Nature’s Way tests the potency of every batch of raw material to ensure that you receive the amount of choline per serving that’s stated on the label.

Potency assay

Testing is performed on certain raw materials to measure the potency of a key component. This testing ensures consistency across batches, so you can feel confident that the ingredient matches what’s stated on the label.

Identification

For non-botanical ingredients such as vitamins and minerals, Nature’s Way uses the test method that has been validated for the specific ingredient. Among these methods are Fourier-Transform Infrared Spectroscopy (FTIR), Inductively Coupled Plasma Mass Spectrometry (ICP-MS), and Liquid Chromatography-Mass Spectrometry (LC-MS) for complex ingredients.

Microbiological contaminants

Nature’s Way tests every ingredient for microbial contaminants that can break down ingredients, decrease potency, and degrade a product’s quality. Verifying that ingredients meet regulatory standards for microorganisms like bacteria, molds, and yeasts helps ensure a safe and compliant product.

Tests performed periodically

Nature’s Way performs additional tests to ensure every supplier’s testing meets federal regulatory and our own high standards. Extra testing is especially critical for monitoring higher-risk botanicals.

Heavy metals

Nature’s Way verifies suppliers' compliance with protective laws like California’s Proposition 65 on a periodic or annual basis. We do this to ensure the raw material meets regulatory standards and won’t expose you to harmful levels of heavy metals, including arsenic, cadmium, mercury, and lead.

Eleuthero Root

Eleutherococcus senticosus

Premium extract

Tests done on every batch

Manufacturers determine the amount and types of testing done on raw ingredients. Nature’s Way goes above and beyond industry standards with extensive testing on every batch of ingredients before they even go into production.

Eleutherosides

Nature’s Way tests every batch of eleuthero root to ensure that you receive the potency promised on the label.

Standardized assay

Assay testing is performed on certain raw materials to measure the amount of a key component. This testing ensures consistency across batches of raw material, so you can feel confident that the ingredient matches the quantified amount declared on the label.

Identification

Verifying each botanical genus, species, and plant part ensures your product contains the exact ingredient listed in the Supplement Facts panel. High-Performance Thin-Layer Chromatography (HPTLC) testing provides a detailed chemical fingerprint of the ingredient for comparison against certified botanical reference standards. HPTLC testing is among the best, most reliable methods for authenticating raw materials.

Microbiological contaminants

Nature’s Way tests every ingredient for microbial contaminants that can break down ingredients, decrease potency, and degrade a product’s quality. Verifying that ingredients meet regulatory standards for microorganisms like bacteria, molds, and yeasts helps ensure a safe and compliant product.

Heavy metals

Every ingredient is tested to meet regulatory standards for heavy metals, including arsenic, cadmium, mercury, and lead. Testing for trace metal levels ensures ingredients comply with protective laws like California’s Proposition 65, and that the supplement won’t expose you to harmful levels of chemicals.

Solvent residue

Trace amounts of solvents used during processes such as ingredient extraction may remain in the raw materials. Performing USP <467> screening ensures that residual solvents are within safe, regulated limits. Testing every lot of the ingredient ensures it is processed according to Good Manufacturing Practices.

Tests performed periodically

Nature’s Way performs additional tests to ensure every supplier’s testing meets federal regulatory and our own high standards. Extra testing is especially critical for monitoring higher-risk botanicals.

Pesticides

The Environmental Protection Agency (EPA) sets safety limits, known as tolerances, for residual pesticides, and the Food & Drug Administration (FDA) requires botanical suppliers to comply. Nature’s Way verifies compliance with these tolerances through annual or periodic in-house testing of raw materials following the standards outlined in USP <561> to ensure safety and quality.

Aflatoxins

Aflatoxins are naturally occurring mycotoxins produced by specific mold and fungi species that grow on crops and botanicals, so it’s important to know your products are tested for them. Aflatoxin qualification testing at Nature’s Way ensures our suppliers’ testing is reliable and that the ingredients meet the required qualifications.

The ingredient

Eleuthero, also known as Siberian ginseng, is a small shrub that grows in forest settings, notably in Russia and Asia. Its small white flowers turn into deep purple-black berries; however, it is the root that has been traditionally used in wellness practices.

Parts used:

Root

Inositol

Tests done on every batch

Manufacturers determine the amount and types of testing done on raw ingredients. Nature’s Way goes above and beyond industry standards with extensive testing on every batch of ingredients before they even go into production.

Inositol

Nature’s Way tests the potency of every batch of raw material to ensure that you receive the amount of inositol per serving that’s stated on the label.

Potency assay

Testing is performed on certain raw materials to measure the potency of a key component. This testing ensures consistency across batches, so you can feel confident that the ingredient matches what’s stated on the label.

Identification

For non-botanical ingredients such as vitamins and minerals, Nature’s Way uses the test method that has been validated for the specific ingredient. Among these methods are Fourier-Transform Infrared Spectroscopy (FTIR), Inductively Coupled Plasma Mass Spectrometry (ICP-MS), and Liquid Chromatography-Mass Spectrometry (LC-MS) for complex ingredients.

Microbiological contaminants

Nature’s Way tests every ingredient for microbial contaminants that can break down ingredients, decrease potency, and degrade a product’s quality. Verifying that ingredients meet regulatory standards for microorganisms like bacteria, molds, and yeasts helps ensure a safe and compliant product.

Heavy metals

Every ingredient is tested to meet regulatory standards for heavy metals, including arsenic, cadmium, mercury, and lead. Testing for trace metal levels ensures ingredients comply with protective laws like California’s Proposition 65, and that the supplement won’t expose you to harmful levels of chemicals.

Para-Aminobenzoic Acid

(PABA)

Tests done on every batch

Manufacturers determine the amount and types of testing done on raw ingredients. Nature’s Way goes above and beyond industry standards with extensive testing on every batch of ingredients before they even go into production.

Para-aminobenzoic acid (PABA)

Nature’s Way tests every batch of para-aminobenzoic acid (PABA) to ensure that you receive the potency promised on the label.

Standardized assay

Assay testing is performed on certain raw materials to measure the amount of a key component. This testing ensures consistency across batches of raw material, so you can feel confident that the ingredient matches the quantified amount declared on the label.

Identification

For non-botanical ingredients such as vitamins and minerals, Nature’s Way uses the test method that has been validated for the specific ingredient. Among these methods are Fourier-Transform Infrared Spectroscopy (FTIR), Inductively Coupled Plasma Mass Spectrometry (ICP-MS), and Liquid Chromatography-Mass Spectrometry (LC-MS) for complex ingredients.

Microbiological contaminants

Nature’s Way tests every ingredient for microbial contaminants that can break down ingredients, decrease potency, and degrade a product’s quality. Verifying that ingredients meet regulatory standards for microorganisms like bacteria, molds, and yeasts helps ensure a safe and compliant product.

Tests performed periodically

Nature’s Way performs additional tests to ensure every supplier’s testing meets federal regulatory and our own high standards. Extra testing is especially critical for monitoring higher-risk botanicals.

Heavy metals

Nature’s Way verifies suppliers' compliance with protective laws like California’s Proposition 65 on a periodic or annual basis. We do this to ensure the raw material meets regulatory standards and won’t expose you to harmful levels of heavy metals, including arsenic, cadmium, mercury, and lead.

Solvent residue

Trace amounts of solvents used during processes such as ingredient extraction may remain in the raw materials. Performing USP <467> screening ensures that residual solvents are within safe, regulated limits. Annual testing of the ingredient ensures it is processed according to Good Manufacturing Practices.