KAL Nutritional Yeast, 500 Tablets supplement bottle
KAL

Nutritional Yeast, 500 Tablets

What We Researched
13 active ingredients analyzed · 4 inactive ingredients decoded · 3 brand certifications checked · 4 retailers compared · Last updated: Mar 2026
74
Product Score Fair
73
Brand Score Fair

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
Thiamine (B-1) 1.7 mg 142%
Riboflavin (B-2) 1.7 mg 131%
Niacin (B-3) 8.8 mg 55%
Vitamin B-6 1.6 mg 94%
Folate (31 mcg Folic Acid) 53 mcg DFE 13%
Vitamin B-12 1.6 mcg 67%
Pantothenic Acid (from Calcium d-Pantothenate) 1.8 mg 36%
Calcium (from Calcium Phosphate) 87 mg 7%
Phosphorus (from Calcium Phosphate) 99 mg 8%
Dried Yeast 3 g *
Bioavailability Very Good

Absorption Rating

  • Thiamine (B-1) Good
  • Riboflavin (B-2) Good
  • Niacin (B-3) Good
  • Vitamin B-6 Fair
  • Folate (31 mcg Folic Acid) Fair
  • Vitamin B-12 Fair
  • Pantothenic Acid (from Calcium d-Pantothenate) Good
  • Calcium (from Calcium Phosphate) Fair
  • Phosphorus (from Calcium Phosphate) Good
Other Ingredients Excellent

Fillers & Additives

  • Cellulose
  • Stearic Acid
  • Magnesium Stearate
  • Silica
Efficacy Poor

Dosage Analysis

  • Thiamine (B-1) 1.7 mg Effective
  • Riboflavin (B-2) 1.7 mg Effective
  • Niacin (B-3) 8.8 mg Under-dosed
  • Vitamin B-6 1.6 mg Under-dosed
  • Folate (31 mcg Folic Acid) 53 mcg DFE Under-dosed
  • Vitamin B-12 1.6 mcg Under-dosed
  • Pantothenic Acid (from Calcium d-Pantothenate) 1.8 mg Under-dosed
  • Calcium (from Calcium Phosphate) 87 mg Under-dosed
  • Phosphorus (from Calcium Phosphate) 99 mg Under-dosed

Supplement Facts

Ingredient Amount % Daily Value
Calories 10
Total Carbohydrate <1 g <1%†
Protein 2 g 4%†
Thiamine (B-1) 1.7 mg 142%
Riboflavin (B-2) 1.7 mg 131%
Niacin (B-3) 8.8 mg 55%
Vitamin B-6 1.6 mg 94%
Folate (31 mcg Folic Acid) 53 mcg DFE 13%
Vitamin B-12 1.6 mcg 67%
Pantothenic Acid (from Calcium d-Pantothenate) 1.8 mg 36%
Calcium (from Calcium Phosphate) 87 mg 7%
Phosphorus (from Calcium Phosphate) 99 mg 8%
Dried Yeast 3 g *

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Cellulose Safe

Provides bulk and structure in tablets and capsules.

Stearic Acid Safe

Helps ingredients flow smoothly through manufacturing equipment.

Magnesium Stearate Safe

Prevents ingredients from sticking to manufacturing equipment during tableting.

Silica Safe

Prevents ingredients from clumping and improves powder flow.

Price Comparison

Price History

Tracked across major retailers. Updated periodically.

$22$20$19$17$16 Mar 12 $19.89$18.00
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
KAL

Founded 1932 · Salt Lake City, Utah, United States · 289 products · kalvitamins.com

Certifications

3 certifications
Nsf Gmp Verified Source
Fda Gmp Inspections Verified Source
Usda Organic Verified Source

Transparency

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

Violation History

1 incident
Lawsuit A consumer class action was filed alleging that the marketing of a dietary supplement violated California's consumer-protection laws.2013Source
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Frequently Asked Questions
Is KAL Nutritional Yeast, 500 Tablets a good supplement?

KAL Nutritional Yeast, 500 Tablets received a product quality score of 74/100 in GoodSupp's independent analysis, suggesting some areas that could be improved. The product contains 13 active ingredients All 4 inactive ingredients (fillers, binders, capsule materials) are rated safe — a clean formulation with no flagged additives. The manufacturer, KAL, holds a brand trust score of 73/100 with 3 verified certifications including Nsf Gmp, Fda Gmp Inspections, Usda Organic.

What are the ingredients in KAL Nutritional Yeast, 500 Tablets?

KAL Nutritional Yeast, 500 Tablets contains 13 active ingredients: Calories (10), Total Carbohydrate (<1 g), Protein (2 g), Thiamine (B-1) (1.7 mg), Riboflavin (B-2) (1.7 mg), Niacin (B-3) (8.8 mg), and 7 more. Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is KAL Nutritional Yeast, 500 Tablets safe to take?

KAL Nutritional Yeast, 500 Tablets has been analyzed for ingredient safety across all its components. All 4 inactive ingredients — including capsule materials, fillers, and binders — are rated safe based on regulatory data and published safety research. This is a clean formulation with no controversial additives. Always consult your healthcare provider before starting any new supplement, especially if you take medications or have underlying health conditions.

Is KAL a trustworthy supplement brand?

KAL receives a brand trust score of 73/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 1932 and headquartered in Salt Lake City, Utah, United States, the company offers 289 products in their lineup. They hold 3 verified certifications including Nsf Gmp, Fda Gmp Inspections, Usda Organic. Third-party certifications are independently verified and indicate the brand meets specific quality, purity, and manufacturing standards. Note: KAL has 1 historical regulatory incident 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.