Nature's Answer Brewer's Yeast, 16 oz (454 g) supplement bottle
Nature's Answer

Brewer's Yeast, 16 oz (454 g)

What We Researched
36 active ingredients analyzed · 1 inactive ingredient decoded · 5 brand certifications checked · 3 retailers compared · Last updated: Mar 2026
78
Product Score Fair
78
Brand Score Fair

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
Total Carbohydrates 12 g 4%
Vitamin B1 0.15 mg 13%
Niacin (as Niacinamide) 1.4 g 9%
Calcium 50 mg 4%
Phosphorus 275 mg 22%
Magnesium 20 mg 5%
Chromium 10 mcg 29%
Potassium 150 mg 3%
Inactive Dried Brewer's Yeast (Saccharomyces cerevisiae) (30 g) 30,000 mg
L- Alanine 650 mg
L-Arginine 560 mg
L-Aspartic Acid 1000 mg
L-Glycine 500 mg
L-Isoleucine¹ 600 mg
L-Leucine¹ 880 mg
L-Glutamic Acid 1150 mg
L-Lysine¹ 800 mg
L-Cystine 90 mg
L-Methionine¹ 200 mg
L-Phenylalanine¹ 540 mg
L-Tyrosine 450 mg
L-Threonine¹ 550 mg
L-Tryptophan¹ 175 mg
L-Proline 400 mg
L-Valine¹ 700 mg
L-Histidine¹ 250 mg
L-Serine 550 mg
Bioavailability Very Good

Absorption Rating

  • Total Carbohydrates Fair
  • Vitamin B1 Good
  • Niacin (as Niacinamide) Good
  • Calcium Good
  • Phosphorus Good
  • Magnesium Good
  • Chromium Fair
  • Potassium Good
  • Inactive Dried Brewer's Yeast (Saccharomyces cerevisiae) (30 g) Fair
  • L- Alanine Fair
  • L-Arginine Good
  • L-Aspartic Acid Good
  • L-Glycine Good
  • L-Isoleucine¹ Good
  • L-Leucine¹ Good
  • L-Glutamic Acid Fair
  • L-Lysine¹ Good
  • L-Cystine Fair
  • L-Methionine¹ Good
  • L-Phenylalanine¹ Good
  • L-Tyrosine Good
  • L-Threonine¹ Good
  • L-Tryptophan¹ Good
  • L-Proline Good
  • L-Valine¹ Good
  • L-Histidine¹ Good
  • L-Serine Good
Other Ingredients Excellent

Fillers & Additives

  • None
Efficacy Poor

Dosage Analysis

  • Vitamin B1 0.15 mg Under-dosed
  • Niacin (as Niacinamide) 1.4 g High
  • Calcium 50 mg Under-dosed
  • Phosphorus 275 mg Under-dosed
  • Magnesium 20 mg Under-dosed
  • Chromium 10 mcg Under-dosed
  • Potassium 150 mg Under-dosed
  • L-Arginine 560 mg Under-dosed
  • L-Aspartic Acid 1000 mg Under-dosed
  • L-Glycine 500 mg Under-dosed
  • L-Isoleucine¹ 600 mg High
  • L-Leucine¹ 880 mg Under-dosed
  • L-Glutamic Acid 1150 mg Effective
  • L-Lysine¹ 800 mg Under-dosed
  • L-Methionine¹ 200 mg Under-dosed
  • L-Phenylalanine¹ 540 mg Effective
  • L-Tyrosine 450 mg Under-dosed
  • L-Tryptophan¹ 175 mg Under-dosed
  • L-Proline 400 mg Under-dosed
  • L-Valine¹ 700 mg Effective
  • L-Histidine¹ 250 mg Under-dosed
  • L-Serine 550 mg Effective

Supplement Facts

Ingredient Amount % Daily Value
Total Fat 2 g 3%
Saturated Fat 0.5 g 3%
Polyunsaturated Fat 0 g
Monounsaturated Fat 1.5 g
Trans Fat 0 g
Total Carbohydrates 12 g 4%
Total Sugars 0 g
Total Added Sugars 0 g 0%
Protein 14 g 28%
Vitamin B1 0.15 mg 13%
Niacin (as Niacinamide) 1.4 g 9%
Calcium 50 mg 4%
Phosphorus 275 mg 22%
Magnesium 20 mg 5%
Chromium 10 mcg 29%
Sodium 75 mg 3%
Potassium 150 mg 3%
Inactive Dried Brewer's Yeast (Saccharomyces cerevisiae) (30 g) 30,000 mg
L- Alanine 650 mg
L-Arginine 560 mg
L-Aspartic Acid 1000 mg
L-Glycine 500 mg
L-Isoleucine¹ 600 mg
L-Leucine¹ 880 mg
L-Glutamic Acid 1150 mg
L-Lysine¹ 800 mg
L-Cystine 90 mg
L-Methionine¹ 200 mg
L-Phenylalanine¹ 540 mg
L-Tyrosine 450 mg
L-Threonine¹ 550 mg
L-Tryptophan¹ 175 mg
L-Proline 400 mg
L-Valine¹ 700 mg
L-Histidine¹ 250 mg
L-Serine 550 mg

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

None Unknown

Price Comparison

Price History

Tracked across major retailers. Updated periodically.

$18$17$15$14$12 Mar 12 $16.00$14.24
iHerb
Vitacost

Prices shown at time of last check. Click a retailer to see current price. GoodSupp is not affiliated with any retailer.

Brand Trust Report
Nature's Answer

Founded 1972 · Hauppauge, New York, United States · 234 products · naturesanswer.com

Certifications

5 certifications
Consumerlab Verified Source
Fda Gmp Inspections Verified Source
Non Gmo Project Verified Source
Nsf Gmp Verified Source
Usda Organic Verified Source

Transparency

3 claims
Third Party Testing Claim — Claimed Source
In House Testing — Verified Source

Violation History

3 incidents
Recall Coral Calcium2021-05-13Source
Fda Warning Product (Coral Calcium) contained cesium chloride, which is considered a new dietary ingredient that has not been shown to be safe. The product was deemed adulterated.2021-05-05Source
Prop 65 Lead2014-08-19Source
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Frequently Asked Questions
Is Nature's Answer Brewer's Yeast, 16 oz (454 g) a good supplement?

Nature's Answer Brewer's Yeast, 16 oz (454 g) received a product quality score of 78/100 in GoodSupp's independent analysis, suggesting some areas that could be improved. The product contains 36 active ingredients with 15 servings per container. Of the 1 inactive ingredients, 0 are rated safe and 0 are flagged for review. The manufacturer, Nature's Answer, holds a brand trust score of 78/100 with 5 verified certifications including Consumerlab, Fda Gmp Inspections, Non Gmo Project, Nsf Gmp.

What are the ingredients in Nature's Answer Brewer's Yeast, 16 oz (454 g)?

Nature's Answer Brewer's Yeast, 16 oz (454 g) contains 36 active ingredients: Total Fat (2 g), Saturated Fat (0.5 g), Polyunsaturated Fat (0 g), Monounsaturated Fat (1.5 g), Trans Fat (0 g), Total Carbohydrates (12 g), and 30 more. Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is Nature's Answer Brewer's Yeast, 16 oz (454 g) safe to take?

Nature's Answer Brewer's Yeast, 16 oz (454 g) has been analyzed for ingredient safety across all its components. Always consult your healthcare provider before starting any new supplement, especially if you take medications or have underlying health conditions.

Is Nature's Answer a trustworthy supplement brand?

Nature's Answer receives a brand trust score of 78/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 1972 and headquartered in Hauppauge, New York, United States, the company offers 234 products in their lineup. They hold 5 verified certifications including Consumerlab, Fda Gmp Inspections, Non Gmo Project, Nsf Gmp. Third-party certifications are independently verified and indicate the brand meets specific quality, purity, and manufacturing standards. Note: Nature's Answer has 3 historical regulatory incidents on record, which are factored into the trust score.

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Disclaimer: GoodSupp provides independent supplement quality analysis for informational purposes only. Scores are generated algorithmically based on ingredient profiles, brand certifications, and public records. This is not medical advice. Always consult a healthcare professional before starting any supplement regimen. Product data is sourced from manufacturer labels and public databases. GoodSupp is not affiliated with any supplement brand.