NutriCology Vitamin D3 Complete supplement bottle
NutriCology

Vitamin D3 Complete Review

What We Researched
· 5 inactive ingredients decoded · 4 brand certifications checked · Last updated: Aug 2026
93
Product Score Excellent
99
Brand Score Excellent

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

Product Analysis

Transparency Fair

Supplement Facts

No supplement facts data available.

Bioavailability N/A

Absorption Rating

No ingredient forms matched our reference database.

Other Ingredients Excellent

Fillers & Additives

  • Fish Gelatin
  • Medium Chain Triglycerides
  • Silicon Dioxide
  • D-Alpha-Tocopherol
  • Water
Efficacy N/A

Dosage Analysis

Dosage data not available for assessment.

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Fish Gelatin Generally_safe

It is used to make capsules.

Medium Chain Triglycerides Safe

Enhances absorption of fat-soluble vitamins.

Silicon Dioxide Safe

Prevents clumping and ensures consistent dosing.

D-Alpha-Tocopherol Unknown
Water Safe

Dissolves and carries water-soluble ingredients.

Brand Trust Report
NutriCology

Founded 1979 · Salt Lake City, UT, USA · 317 products · nutricology.com/

Certifications

4 certifications
Consumerlab Verified Source
Fda Gmp Inspections Verified Source
Nsf Gmp Verified Source
NSF Certified Verified

Transparency

5 claims
Third Party Testing Claim — Verified Source
Coa Availability — Verified Source
Testing Lab Disclosure — Claimed Source
In House Testing — Verified Source

Violation History

4 incidents
Prop 65 Lead2011-07-19Source
Prop 65 Lead2011-01-14Source
Lawsuit Failure to provide clear and reasonable warnings regarding exposure to lead in various supplement products.2011Source
Lawsuit Details not fully available in search results.2006Source
Related Supplements
Frequently Asked Questions
Is NutriCology Vitamin D3 Complete a good supplement?

NutriCology Vitamin D3 Complete received a product quality score of 93/100 in GoodSupp's independent analysis, placing it in the top tier of supplements we've analyzed. with 60 servings per container. Of the 5 inactive ingredients, 3 are rated safe and 0 are flagged for review. The manufacturer, NutriCology, holds a brand trust score of 99/100 with 4 verified certifications including Consumerlab, Fda Gmp Inspections, Nsf Gmp, NSF Certified.

Is NutriCology Vitamin D3 Complete safe to take?

NutriCology Vitamin D3 Complete 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 NutriCology a trustworthy supplement brand?

NutriCology receives a brand trust score of 99/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 1979 and headquartered in Salt Lake City, UT, USA, the company offers 317 products in their lineup. They hold 4 verified certifications including Consumerlab, Fda Gmp Inspections, Nsf Gmp, NSF Certified. Third-party certifications are independently verified and indicate the brand meets specific quality, purity, and manufacturing standards. Note: NutriCology has 4 historical regulatory incidents on record, which are factored into the trust score.

How much vitamin d3 should i take daily?

The optimal dosage depends on your individual health needs, age, sex, and current nutrient levels. Recommended daily amounts are established by health authorities but may vary from therapeutic doses used in clinical research. It's important to check the Supplement Facts label for the exact amount per serving and compare it against the % Daily Value. Some supplements provide mega-doses well above the Daily Value, which may not be necessary and in some cases could be harmful — particularly for fat-soluble vitamins (A, D, E, K) that accumulate in the body. GoodSupp's efficacy analysis evaluates whether a product's dosages align with clinically studied amounts. Always consult your healthcare provider for personalized dosage recommendations.

What does vitamin d do?

This is an important question for supplement consumers. The dietary supplement industry is largely self-regulated, which means product quality, ingredient transparency, and safety practices vary significantly between brands and products. The most reliable way to evaluate any supplement is to check for third-party testing certifications, review the full ingredient list and dosages, and research the brand's regulatory track record. GoodSupp's database of over 150,000 analyzed products provides independent quality scores, ingredient safety ratings, and brand trust reports to help you make evidence-based decisions.

How much vitamin d3 per day for a woman?

The optimal dosage depends on your individual health needs, age, sex, and current nutrient levels. Recommended daily amounts are established by health authorities but may vary from therapeutic doses used in clinical research. It's important to check the Supplement Facts label for the exact amount per serving and compare it against the % Daily Value. Some supplements provide mega-doses well above the Daily Value, which may not be necessary and in some cases could be harmful — particularly for fat-soluble vitamins (A, D, E, K) that accumulate in the body. GoodSupp's efficacy analysis evaluates whether a product's dosages align with clinically studied amounts. Always consult your healthcare provider for personalized dosage recommendations.

Scan Any Supplement Instantly

Download GoodSupp to scan barcodes, check ingredient safety, and find the best supplements for your needs.

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.