Bio Nutrition D-3, 300 mcg, 50 Vegetarian Capsules supplement bottle
Bio Nutrition

D-3, 300 mcg, 50 Vegetarian Capsules

What We Researched
1 active ingredient analyzed · 3 inactive ingredients decoded · 1 brand certification checked · 2 retailers compared · Last updated: Mar 2026
93
Product Score Excellent
62
Brand Score Fair

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
Vitamin D (as Cholecalciferol) (12,000 IU) 300 mcg 1,500%
Bioavailability Excellent

Absorption Rating

  • Vitamin D (as Cholecalciferol) (12,000 IU) Good
Other Ingredients Excellent

Fillers & Additives

  • Microcrystalline Cellulose
  • Silicon Dioxide
  • Magnesium stearate (vegetable grade) and vegetable cellulose
Efficacy Very Good

Dosage Analysis

  • Vitamin D (as Cholecalciferol) (12,000 IU) 300 mcg High

Supplement Facts

Ingredient Amount % Daily Value
Vitamin D (as Cholecalciferol) (12,000 IU) 300 mcg 1,500%

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.

Silicon Dioxide Safe

Prevents clumping and ensures consistent dosing.

Magnesium stearate (vegetable grade) and vegetable cellulose Unknown

Price Comparison

Price History

Tracked across major retailers. Updated periodically.

$10$9$8$7$6 Mar 12 $8.45
iHerb

Prices shown at time of last check. Click a retailer to see current price. GoodSupp is not affiliated with any retailer.

Brand Trust Report
Bio Nutrition

Founded 2011 · Oceanside, NY, USA · 69 products · bionutritioninc.com

Certifications

1 certification
Consumerlab Verified Source

Transparency

2 claims
Third Party Testing Claim — Claimed Source

Violation History

1 incident
Fda Warning Unapproved New Drugs/Misbranded Drugs2020-06-18Source
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Frequently Asked Questions
Is Bio Nutrition D-3, 300 mcg a good supplement?

Bio Nutrition D-3, 300 mcg, 50 Vegetarian Capsules 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 with 50 servings per container. Of the 3 inactive ingredients, 2 are rated safe and 0 are flagged for review. The manufacturer, Bio Nutrition, holds a brand trust score of 62/100 with 1 verified certifications including Consumerlab.

What are the ingredients in Bio Nutrition D-3, 300 mcg?

Bio Nutrition D-3, 300 mcg contains 1 active ingredients: Vitamin D (as Cholecalciferol) (12,000 IU) (300 mcg). Notable high-dose ingredients include Vitamin D at 1,500% DV. Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is Bio Nutrition D-3, 300 mcg safe to take?

Bio Nutrition D-3, 300 mcg, 50 Vegetarian Capsules 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 Bio Nutrition a trustworthy supplement brand?

Bio Nutrition receives a brand trust score of 62/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 2011 and headquartered in Oceanside, NY, USA, the company offers 69 products in their lineup. They hold 1 verified certifications including Consumerlab. Third-party certifications are independently verified and indicate the brand meets specific quality, purity, and manufacturing standards. Note: Bio Nutrition 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.