Sports Research D3 5000 IU + K2 100 mcg supplement bottle
Sports Research

D3 5000 IU + K2 100 mcg

What We Researched
2 active ingredients analyzed · 6 inactive ingredients decoded · 7 brand certifications checked · Last updated: Mar 2026
96
Product Score Excellent
81
Brand Score Good

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
Vitamin D3 5000 IU
Vitamin K2 100 mcg
Bioavailability Excellent

Absorption Rating

  • Vitamin D3 Good
  • Vitamin K2 Good
Other Ingredients Excellent

Fillers & Additives

  • Coconut MCT Oil
  • Plantgel capsule
  • Non-GMO modified tapioca starch
  • Vegetable Glycerin
  • Purified Water
  • Turmeric
Efficacy Very Good

Dosage Analysis

  • Vitamin D3 5000 IU High
  • Vitamin K2 100 mcg Effective

Supplement Facts

Ingredient Amount % Daily Value
Vitamin D3 5000 IU
Vitamin K2 100 mcg

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Coconut MCT Oil Generally_safe

It is used as a carrier oil or filler, and may also provide energy.

Plantgel capsule Unknown
Non-GMO modified tapioca starch Unknown
Vegetable Glycerin Safe

Helps form softgel capsule shells and acts as a humectant.

Purified Water Safe

Dissolves and carries water-soluble ingredients.

Turmeric Safe

Provides natural yellow color.

Brand Trust Report
Sports Research

Founded 1980 · San Pedro, California, United States · 135 products · sportsresearch.com/

Certifications

7 certifications
Consumerlab Verified Source
Informed Sport Verified Source
Labdoor Verified
Non Gmo Project Verified Source
Nsf Certified For Sport Verified Source
Gluten Free Gfco Verified Source
Usda Organic Verified Source

Transparency

3 claims
Third Party Testing Claim — Verified Source
Coa Availability — Claimed

Violation History

4 incidents
Prop 65 Lead2024-11-15Source
Lawsuit False and misleading claims of "weight management" and "appetite suppression" on Garcinia Cambogia product.2024Source
Prop 65 Lead2021-10-25Source
Lawsuit False and misleading claims on the labeling of Premium MCT Oil and Turmeric Curcumin C3 Complex products.2020Source
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Frequently Asked Questions
Is Sports Research D3 5000 IU + K2 100 mcg a good supplement?

Sports Research D3 5000 IU + K2 100 mcg received a product quality score of 96/100 in GoodSupp's independent analysis, placing it in the top tier of supplements we've analyzed. The product contains 2 active ingredients Of the 6 inactive ingredients, 3 are rated safe and 0 are flagged for review. The manufacturer, Sports Research, holds a brand trust score of 81/100 with 7 verified certifications including Consumerlab, Informed Sport, Labdoor, Non Gmo Project.

What are the ingredients in Sports Research D3 5000 IU + K2 100 mcg?

Sports Research D3 5000 IU + K2 100 mcg contains 2 active ingredients: Vitamin D3 (5000 IU), Vitamin K2 (100 mcg). Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is Sports Research D3 5000 IU + K2 100 mcg safe to take?

Sports Research D3 5000 IU + K2 100 mcg 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 Sports Research a trustworthy supplement brand?

Sports Research receives a brand trust score of 81/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 1980 and headquartered in San Pedro, California, United States, the company offers 135 products in their lineup. They hold 7 verified certifications including Consumerlab, Informed Sport, Labdoor, Non Gmo Project. Third-party certifications are independently verified and indicate the brand meets specific quality, purity, and manufacturing standards. Note: Sports Research has 4 historical regulatory incidents 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.