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 Review

What We Researched
1 active ingredient analyzed · 6 inactive ingredients decoded · 5 brand certifications checked · Last updated: Aug 2026
93
Product Score Excellent
89
Brand Score Good

Two independent scores — the product and the brand behind it, never blended into one number. See our methodology.

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

  • Medium Chain Triglycerides
  • Cellulose
  • Mannitol
  • Stearic Acid
  • Modified Food Starch
  • Silica
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.

Medium Chain Triglycerides Safe

Enhances absorption of fat-soluble vitamins.

Cellulose Safe

Provides bulk and structure in tablets and capsules.

Mannitol Generally_safe

It is used as a sweetener, filler, and flow agent.

Stearic Acid Safe

Helps ingredients flow smoothly through manufacturing equipment.

Modified Food Starch Generally_safe

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

Silica Safe

Prevents ingredients from clumping and improves powder flow.

Brand Trust Report
KAL

Founded 1932 · Salt Lake City, Utah, United States · 351 products · kalvitamins.com

Certifications

5 certifications
Nsf Gmp Verified Source
Fda Gmp Inspections Verified Source
Usda Organic Verified Source
NSF Certified Verified
Non-GMO Project Verified Verified

Transparency

4 claims
Third Party Testing Claim — Claimed Source
In House Testing — Verified Source
Testing Lab Disclosure — True
Contains Proprietary Blend — True

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 6 inactive ingredients, 4 are rated safe and 0 are flagged for review. The manufacturer, KAL, holds a brand trust score of 89/100 with 5 verified certifications including Nsf Gmp, Fda Gmp Inspections, Usda Organic, NSF Certified.

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 89/100 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 351 products in their lineup. They hold 5 verified certifications including Nsf Gmp, Fda Gmp Inspections, Usda Organic, NSF Certified. 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 — read our methodology. 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.