MegaFood Vitamin D3, 2000 IU (50 mcg) supplement bottle
MegaFood

Vitamin D3, 2000 IU (50 mcg) Review

What We Researched
2 active ingredients analyzed · 5 inactive ingredients decoded · 13 brand certifications checked · Last updated: Aug 2026
93
Product Score Excellent
100
Brand Score Excellent

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 D3(as fermented cholecalciferol) (2000 IU) 50 mcg 250%
Food BlendS. cerevisiae, organic brown rice, organic broccoli, organic parsley leaf, organic carrot, organic beetroot 605 mg **
Bioavailability Very Good

Absorption Rating

  • Vitamin D3(as fermented cholecalciferol) (2000 IU) Good
  • Food BlendS. cerevisiae, organic brown rice, organic broccoli, organic parsley leaf, organic carrot, organic beetroot Fair
Other Ingredients Excellent

Fillers & Additives

  • Microcrystalline Cellulose
  • Ferment Media
  • Silicon Dioxide
  • Stearic Acid
  • Hypromellose
Efficacy Excellent

Dosage Analysis

  • Vitamin D3(as fermented cholecalciferol) (2000 IU) 50 mcg Effective

Supplement Facts

Ingredient Amount % Daily Value
Vitamin D3(as fermented cholecalciferol) (2000 IU) 50 mcg 250%
Food BlendS. cerevisiae, organic brown rice, organic broccoli, organic parsley leaf, organic carrot, organic beetroot 605 mg **

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Microcrystalline Cellulose Safe

Adds bulk to small-dose supplements to make tablets/capsules a manageable size.

Ferment Media Unknown
Silicon Dioxide Safe

Prevents clumping and ensures consistent dosing.

Stearic Acid Safe

Helps ingredients flow smoothly through manufacturing equipment.

Hypromellose Safe

Forms vegetarian capsule shells. Dissolves easily in the stomach.

Brand Trust Report
MegaFood

Founded 1973 · Manchester, New Hampshire, United States · 298 products · megafood.com

Certifications

13 certifications
B Corp Certified Verified Source
Gluten Free Gfco Verified Source
Non Gmo Project Verified Source
Nsf Certified For Sport Verified Source
Nsf Gmp Verified Source
Vegan Certified Verified Source
Fda Gmp Inspections Verified Source
Usda Organic Verified Source
NSF Certified for Sport Verified
NSF Contents Certified Verified
IGEN Non-GMO Tested Verified
NSF Certified Verified
Vegan Action Certified Verified

Transparency

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

Violation History

1 incident
Lawsuit Misleadingly labeling products as '100% whole food' when they allegedly contained synthetic ingredients.2019Source
Related Supplements
Frequently Asked Questions
Is MegaFood Vitamin D3, 2000 IU (50 mcg) a good supplement?

MegaFood Vitamin D3, 2000 IU (50 mcg) 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 2 active ingredients with 30 servings per container. Of the 5 inactive ingredients, 4 are rated safe and 0 are flagged for review. The manufacturer, MegaFood, holds a brand trust score of 100/100 with 13 verified certifications including B Corp Certified, Gluten Free Gfco, Non Gmo Project, Nsf Certified For Sport.

What are the ingredients in MegaFood Vitamin D3, 2000 IU (50 mcg)?

MegaFood Vitamin D3, 2000 IU (50 mcg) contains 2 active ingredients: Vitamin D3(as fermented cholecalciferol) (2000 IU) (50 mcg), Food BlendS. cerevisiae, organic brown rice, organic broccoli, organic parsley leaf, organic carrot, organic beetroot (605 mg). Notable high-dose ingredients include Vitamin D3 at 250% DV. Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is MegaFood Vitamin D3, 2000 IU (50 mcg) safe to take?

MegaFood Vitamin D3, 2000 IU (50 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 MegaFood a trustworthy supplement brand?

MegaFood receives a brand trust score of 100/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 1973 and headquartered in Manchester, New Hampshire, United States, the company offers 298 products in their lineup. They hold 13 verified certifications including B Corp Certified, Gluten Free Gfco, Non Gmo Project, Nsf Certified For Sport. Third-party certifications are independently verified and indicate the brand meets specific quality, purity, and manufacturing standards. Note: MegaFood has 1 historical regulatory incident 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.