Solgar EarthSource® Koji Fermented, Iron, 27 mg, 30 Vegetable Capsules supplement bottle
Solgar

EarthSource® Koji Fermented, Iron, 27 mg, 30 Vegetable Capsules

What We Researched
1 active ingredient analyzed · 4 inactive ingredients decoded · 2 brand certifications checked · 2 retailers compared · Last updated: Mar 2026
87
Product Score Good
66
Brand Score Fair

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
Iron (from Koji Fermented Iron, Ultimine™) 27 mg 150%
Bioavailability Fair

Absorption Rating

  • Iron (from Koji Fermented Iron, Ultimine™) Fair
Other Ingredients Excellent

Fillers & Additives

  • Cellulose
  • Microcrystalline Cellulose
  • Rice
  • Rice Extract Blend
Efficacy Excellent

Dosage Analysis

  • Iron (from Koji Fermented Iron, Ultimine™) 27 mg Effective

Supplement Facts

Ingredient Amount % Daily Value
Iron (from Koji Fermented Iron, Ultimine™) 27 mg 150%

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Cellulose Safe

Provides bulk and structure in tablets and capsules.

Microcrystalline Cellulose Safe

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

Rice Unknown
Rice Extract Blend Safe

It is used for its antioxidant properties or as a source of other beneficial compounds.

Price Comparison

Price History

Tracked across major retailers. Updated periodically.

$12$11$10$9$8 Mar 12 $9.74
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
Solgar

Founded 1947 · Leonia, New Jersey, United States · 295 products · solgar.com

Certifications

2 certifications
Halal Certified Verified Source
Kosher Certified Verified Source

Transparency

2 claims
Third Party Testing Claim — Claimed
In House Testing — Verified Source
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Frequently Asked Questions
Is Solgar EarthSource® Koji Fermented, Iron a good supplement?

Solgar EarthSource® Koji Fermented, Iron, 27 mg, 30 Vegetable Capsules received a product quality score of 87/100 in GoodSupp's independent analysis, indicating strong overall quality. The product contains 1 active ingredients Of the 4 inactive ingredients, 3 are rated safe and 0 are flagged for review. The manufacturer, Solgar, holds a brand trust score of 66/100 with 2 verified certifications including Halal Certified, Kosher Certified.

What are the ingredients in Solgar EarthSource® Koji Fermented, Iron?

Solgar EarthSource® Koji Fermented, Iron contains 1 active ingredients: Iron (from Koji Fermented Iron, Ultimine™) (27 mg). Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is Solgar EarthSource® Koji Fermented, Iron safe to take?

Solgar EarthSource® Koji Fermented, Iron, 27 mg, 30 Vegetable 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 Solgar a trustworthy supplement brand?

Solgar receives a brand trust score of 66/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 1947 and headquartered in Leonia, New Jersey, United States, the company offers 295 products in their lineup. They hold 2 verified certifications including Halal Certified, Kosher Certified. Third-party certifications are independently verified and indicate the brand meets specific quality, purity, and manufacturing standards. No regulatory violations or FDA warning letters were found in our research.

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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.