KAL Ultra D-3, Unflavored, 250 mcg (10000 IU), 90 Micro Tablets supplement bottle
KAL

Ultra D-3, Unflavored, 250 mcg (10000 IU), 90 Micro Tablets

What We Researched
1 active ingredient analyzed · 5 inactive ingredients decoded · 3 brand certifications checked · 3 retailers compared · Last updated: Mar 2026
93
Product Score Excellent
73
Brand Score Fair

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
Vitamin D (as Cholecalciferol)(Supplying 10,000 IU of Vitamin D-3) 250 mcg 1,250%
Bioavailability Excellent

Absorption Rating

  • Vitamin D (as Cholecalciferol)(Supplying 10,000 IU of Vitamin D-3) Good
Other Ingredients Excellent

Fillers & Additives

  • Mannitol Starch Complex (from Non-GMO Corn)
  • Stearic Acid
  • Silica
  • Modified Food Starch
  • Medium chain triglycerides and cellulose
Efficacy Very Good

Dosage Analysis

  • Vitamin D (as Cholecalciferol)(Supplying 10,000 IU of Vitamin D-3) 250 mcg High

Supplement Facts

Ingredient Amount % Daily Value
Vitamin D (as Cholecalciferol)(Supplying 10,000 IU of Vitamin D-3) 250 mcg 1,250%

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Mannitol Starch Complex (from Non-GMO Corn) Generally_safe

It is added to increase the bulk of the product.

Stearic Acid Safe

Helps ingredients flow smoothly through manufacturing equipment.

Silica Safe

Prevents ingredients from clumping and improves powder flow.

Modified Food Starch Generally_safe

It is used as a filler, binder, or thickener in supplements.

Medium chain triglycerides and cellulose Unknown

Price Comparison

Price History

Tracked across major retailers. Updated periodically.

$17$16$15$14$13 Mar 12 $15.29$15.29
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 Ultra D-3, Unflavored a good supplement?

KAL Ultra D-3, Unflavored, 250 mcg (10000 IU), 90 Micro Tablets received a product quality score of 93/100 in GoodSupp's independent analysis, placing it in the top tier of supplements we've analyzed. The product contains 1 active ingredients Of the 5 inactive ingredients, 2 are rated safe and 0 are flagged for review. 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 Ultra D-3, Unflavored?

KAL Ultra D-3, Unflavored contains 1 active ingredients: Vitamin D (as Cholecalciferol)(Supplying 10,000 IU of Vitamin D-3) (250 mcg). Notable high-dose ingredients include Vitamin D at 1,250% DV. Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is KAL Ultra D-3, Unflavored safe to take?

KAL Ultra D-3, Unflavored, 250 mcg (10000 IU), 90 Micro Tablets 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.