KAL Nutritional Yeast Flakes, 22 oz (624 g) supplement bottle
KAL

Nutritional Yeast Flakes, 22 oz (624 g)

What We Researched
28 active ingredients analyzed · 3 brand certifications checked · 1 retailer compared · Last updated: Mar 2026
66
Product Score Fair
73
Brand Score Fair

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
Vitamin D 0 mcg 0%
Calcium 4 mg 0%
Iron 1 mg 4%
Potassium 214 mg 4%
Thiamin 6.3 mg 530%
Riboflavin 6.3 mg 480%
Vitamin B6 7 mg 410%
Folate (450 mcg folic acid) 765 mcg DFE 190%
Vitamin B12 15 mcg 630%
Biotin 450 mcg 1500%
Pantothenic Acid 1 mg 15%
Phosphorus 110 mg 8%
Magnesium 13 mg 4%
Zinc 2 mg 20%
Selenium 14 mcg 25%
Manganese 0.1 mcg 2%
Molybdenum 40 mcg 90%
Bioavailability Very Good

Absorption Rating

  • Vitamin D Good
  • Calcium Good
  • Iron Fair
  • Potassium Good
  • Thiamin Good
  • Riboflavin Good
  • Vitamin B6 Fair
  • Folate (450 mcg folic acid) Fair
  • Vitamin B12 Fair
  • Biotin Good
  • Pantothenic Acid Good
  • Phosphorus Good
  • Magnesium Good
  • Zinc Fair
  • Selenium Good
  • Manganese Good
  • Molybdenum Good
Other Ingredients Fair

Fillers & Additives

No inactive ingredient data available.

Efficacy Poor

Dosage Analysis

  • Vitamin D 0 mcg Under-dosed
  • Calcium 4 mg Under-dosed
  • Iron 1 mg Under-dosed
  • Potassium 214 mg Under-dosed
  • Thiamin 6.3 mg Effective
  • Riboflavin 6.3 mg Effective
  • Vitamin B6 7 mg Effective
  • Folate (450 mcg folic acid) 765 mcg DFE Effective
  • Vitamin B12 15 mcg Effective
  • Biotin 450 mcg Effective
  • Pantothenic Acid 1 mg Under-dosed
  • Phosphorus 110 mg Under-dosed
  • Magnesium 13 mg Under-dosed
  • Zinc 2 mg Under-dosed
  • Selenium 14 mcg Under-dosed
  • Manganese 0.1 mcg Under-dosed
  • Molybdenum 40 mcg Under-dosed

Supplement Facts

Ingredient Amount % Daily Value
Calories 40
Total Fat 0 g 1%
Saturated Fat 0 g 1%
Trans Fat 0 g
Cholesterol 0 mg 0%
Sodium 20 mg 1%
Total Carbohydrate 3 g 1%
Dietary Fiber 2 g 7%
Total Sugars 0 g
Includes 0g Added Sugars 0%
Protein 5 g
Vitamin D 0 mcg 0%
Calcium 4 mg 0%
Iron 1 mg 4%
Potassium 214 mg 4%
Thiamin 6.3 mg 530%
Riboflavin 6.3 mg 480%
Vitamin B6 7 mg 410%
Folate (450 mcg folic acid) 765 mcg DFE 190%
Vitamin B12 15 mcg 630%
Biotin 450 mcg 1500%
Pantothenic Acid 1 mg 15%
Phosphorus 110 mg 8%
Magnesium 13 mg 4%
Zinc 2 mg 20%
Selenium 14 mcg 25%
Manganese 0.1 mcg 2%
Molybdenum 40 mcg 90%

Price Comparison

Price History

Tracked across major retailers. Updated periodically.

$32$31$30$29$28 Mar 12 $30.00
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
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 Flakes, 22 oz (624 g) a good supplement?

KAL Nutritional Yeast Flakes, 22 oz (624 g) received a product quality score of 66/100 in GoodSupp's independent analysis, suggesting some areas that could be improved. The product contains 28 active ingredients with 62 servings per container. 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 Flakes, 22 oz (624 g)?

KAL Nutritional Yeast Flakes, 22 oz (624 g) contains 28 active ingredients: Calories (40), Total Fat (0 g), Saturated Fat (0 g), Trans Fat (0 g), Cholesterol (0 mg), Sodium (20 mg), and 22 more. Notable high-dose ingredients include Thiamin at 530% DV, Riboflavin at 480% DV, Vitamin B6 at 410% DV. Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is KAL Nutritional Yeast Flakes, 22 oz (624 g) safe to take?

KAL Nutritional Yeast Flakes, 22 oz (624 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 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.