Lewis Labs Nutritional Yeast Flakes, Cheesy Nutty, 16 oz (454 g) supplement bottle
Lewis Labs

Nutritional Yeast Flakes, Cheesy Nutty, 16 oz (454 g)

What We Researched
41 active ingredients analyzed · 1 inactive ingredient decoded · 1 retailer compared · Last updated: Mar 2026
72
Product Score Fair

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
Vitamin D 0 mcg 0%
Calcium 12 mg 0%
Iron 0.6 mg 4%
Potassium 330 mg 8%
Thiamin 0.3 mg 25%
Riboflavin 0.9 mg 70%
Niacin 5.6 mg 35%
Vitamin B6 0.5 mg 30%
Folate 300 mcg 80%
Biotin 3 mcg 10%
Pantothenic Acid 1.5 mg 30%
Amino Acid Content in each Serving
Alanine 436 mg
Arginine 301 mg
Aspartic Acid 661 mg
Cystine* 91 mg
Glutamic Acid 1277 mg
Glycine 286 mg
Histidine* 151 mg
Isoleucine* 301 mg
Leucine* 466 mg
Lysine* 496 mg
Methionine* 91 mg
Phenylalanine* 286 mg
Proline 271 mg
Serine 331 mg
Threonine* 316 mg
Tryptophan* 91 mg
Tyrosine 211 mg
Valine* 346 mg
Bioavailability Very Good

Absorption Rating

  • Vitamin D Good
  • Calcium Good
  • Iron Fair
  • Potassium Good
  • Thiamin Good
  • Riboflavin Good
  • Niacin Good
  • Vitamin B6 Fair
  • Folate Fair
  • Biotin Good
  • Pantothenic Acid Good
  • Amino Acid Good
  • Alanine Fair
  • Arginine Good
  • Aspartic Acid Fair
  • Cystine* Fair
  • Glutamic Acid Fair
  • Glycine Good
  • Histidine* Good
  • Isoleucine* Good
  • Leucine* Good
  • Lysine* Good
  • Methionine* Good
  • Phenylalanine* Fair
  • Proline Fair
  • Serine Fair
  • Threonine* Good
  • Tryptophan* Good
  • Tyrosine Good
  • Valine* Good
Other Ingredients Excellent

Fillers & Additives

  • Nutritional yeast (inactive yeast)
Efficacy Very Poor

Dosage Analysis

  • Vitamin D 0 mcg Under-dosed
  • Calcium 12 mg Under-dosed
  • Iron 0.6 mg Under-dosed
  • Potassium 330 mg Under-dosed
  • Thiamin 0.3 mg Under-dosed
  • Riboflavin 0.9 mg Under-dosed
  • Niacin 5.6 mg Under-dosed
  • Vitamin B6 0.5 mg Under-dosed
  • Folate 300 mcg Under-dosed
  • Biotin 3 mcg Under-dosed
  • Pantothenic Acid 1.5 mg Under-dosed
  • Arginine 301 mg Under-dosed
  • Aspartic Acid 661 mg Under-dosed
  • Glutamic Acid 1277 mg Effective
  • Glycine 286 mg Under-dosed
  • Histidine* 151 mg Under-dosed
  • Isoleucine* 301 mg High
  • Leucine* 466 mg Under-dosed
  • Lysine* 496 mg Under-dosed
  • Methionine* 91 mg Under-dosed
  • Phenylalanine* 286 mg Under-dosed
  • Proline 271 mg Under-dosed
  • Serine 331 mg Under-dosed
  • Tryptophan* 91 mg Under-dosed
  • Tyrosine 211 mg Under-dosed
  • Valine* 346 mg Effective

Supplement Facts

Ingredient Amount % Daily Value
Calories 60
Total Fat 0.8 g 1%
Saturated Fats 0 g 0%
Trans Fat 0 g
Cholesterol 0 mg 0%
Sodium 15 mg 1%
Total Carbohydrate 6 g 2%
Dietary Fiber 3 g 11%
Total Sugars 0 g
Includes 0 g Added Sugars 0%
Protein 7 g 14%
Vitamin D 0 mcg 0%
Calcium 12 mg 0%
Iron 0.6 mg 4%
Potassium 330 mg 8%
Thiamin 0.3 mg 25%
Riboflavin 0.9 mg 70%
Niacin 5.6 mg 35%
Vitamin B6 0.5 mg 30%
Folate 300 mcg 80%
Biotin 3 mcg 10%
Pantothenic Acid 1.5 mg 30%
Amino Acid Content in each Serving
Alanine 436 mg
Arginine 301 mg
Aspartic Acid 661 mg
Cystine* 91 mg
Glutamic Acid 1277 mg
Glycine 286 mg
Histidine* 151 mg
Isoleucine* 301 mg
Leucine* 466 mg
Lysine* 496 mg
Methionine* 91 mg
Phenylalanine* 286 mg
Proline 271 mg
Serine 331 mg
Threonine* 316 mg
Tryptophan* 91 mg
Tyrosine 211 mg
Valine* 346 mg

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Price Comparison

Price History

Tracked across major retailers. Updated periodically.

$42$41$40$39$38 Mar 12 $40.00
iHerb

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

Brand Trust Report
Lewis Labs

Founded 1973 · Southfields, NY, USA · 3 products · lewislabs.com/

Transparency

1 claim
Third Party Testing Claim — Claimed Source
Related Supplements
Frequently Asked Questions
Is Lewis Labs Nutritional Yeast Flakes, Cheesy Nutty a good supplement?

Lewis Labs Nutritional Yeast Flakes, Cheesy Nutty, 16 oz (454 g) received a product quality score of 72/100 in GoodSupp's independent analysis, suggesting some areas that could be improved. The product contains 41 active ingredients with 30 servings per container. Of the 1 inactive ingredients, 0 are rated safe and 0 are flagged for review.

What are the ingredients in Lewis Labs Nutritional Yeast Flakes, Cheesy Nutty?

Lewis Labs Nutritional Yeast Flakes, Cheesy Nutty contains 41 active ingredients: Calories (60), Total Fat (0.8 g), Saturated Fats (0 g), Trans Fat (0 g), Cholesterol (0 mg), Sodium (15 mg), and 35 more. Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is Lewis Labs Nutritional Yeast Flakes, Cheesy Nutty safe to take?

Lewis Labs Nutritional Yeast Flakes, Cheesy Nutty, 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.

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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.