
Thorne, Advanced Iron Complex, 60 Capsules
One capsule provides 36 mg elemental iron as Ferrochel ferrous bisglycinate plus 15 mg vitamin C, P-5-P vitamin B6, L-5-MTHF folate and methylcobalamin. iHerb currently lists it in stock, but the product page does not show NSF certification or a public product-specific certificate.
We may earn a commission when you buy through our links. Prices and availability shown are accurate as of Aug 5, 2026 and are subject to change; the merchant's price at purchase applies.
Our Verdict
The cofactor formula is the most comprehensive and its 5,000+ recent sales show strong demand, but the fixed scoring penalizes its lack of product-specific external certification and the list's highest active-ingredient cost. Popularity cannot outweigh those heavier criteria.
Score Breakdown
Pros & Cons
Pros
- •36 mg elemental iron as Ferrochel ferrous bisglycinate chelate
- •Includes 15 mg vitamin C plus disclosed active forms of vitamin B6, folate and vitamin B12
- •No proprietary blend; every active amount is stated
Cons
- •No USP, NSF or public product-specific certificate of analysis is shown for this product
- •$0.43 per serving and about $0.0120 per mg of elemental iron are the highest costs in the list
Specifications
| Iron Form | Ferrochel ferrous bisglycinate chelate |
| Elemental Iron | 36 mg |
| Vitamin C | 15 mg as ascorbic acid |
| Serving Size | 1 capsule |
| Servings Per Container | 60 |
| Other Active Ingredients | Vitamin B6 5 mg P-5-P; folate 667 mcg DFE as L-5-MTHF; vitamin B12 300 mcg as methylcobalamin |
| Other Ingredients | Hypromellose capsule, microcrystalline cellulose, leucine, silicon dioxide |
| Testing / Certification | No listed USP, NSF or public product-specific certificate of analysis |
Quick Answers
What is the iron form of the Thorne, Advanced Iron Complex, 60 Capsules?
Thorne, Advanced Iron Complex, 60 Capsules iron form: Ferrochel ferrous bisglycinate chelate.
What is the elemental iron of the Thorne, Advanced Iron Complex, 60 Capsules?
Thorne, Advanced Iron Complex, 60 Capsules elemental iron: 36 mg.
What is the vitamin c of the Thorne, Advanced Iron Complex, 60 Capsules?
Thorne, Advanced Iron Complex, 60 Capsules vitamin c: 15 mg as ascorbic acid.
What is the serving size of the Thorne, Advanced Iron Complex, 60 Capsules?
Thorne, Advanced Iron Complex, 60 Capsules serving size: 1 capsule.
What is the servings per container of the Thorne, Advanced Iron Complex, 60 Capsules?
Thorne, Advanced Iron Complex, 60 Capsules servings per container: 60.
What is the other active ingredients of the Thorne, Advanced Iron Complex, 60 Capsules?
Thorne, Advanced Iron Complex, 60 Capsules other active ingredients: Vitamin B6 5 mg P-5-P; folate 667 mcg DFE as L-5-MTHF; vitamin B12 300 mcg as methylcobalamin.
What is the other ingredients of the Thorne, Advanced Iron Complex, 60 Capsules?
Thorne, Advanced Iron Complex, 60 Capsules other ingredients: Hypromellose capsule, microcrystalline cellulose, leucine, silicon dioxide.
What is the testing / certification of the Thorne, Advanced Iron Complex, 60 Capsules?
Thorne, Advanced Iron Complex, 60 Capsules testing / certification: No listed USP, NSF or public product-specific certificate of analysis.
How much does the Thorne, Advanced Iron Complex, 60 Capsules cost?
The Thorne, Advanced Iron Complex, 60 Capsules lists at $26 at iHerb as of August 5, 2026. Prices change often, so the merchant page shows the current figure.
Who is the Thorne, Advanced Iron Complex, 60 Capsules for?
It suits buyers wanting vitamin C and B-vitamin cofactors in one capsule, buyers preferring methylfolate and methylcobalamin forms. It is not the right pick for budget-focused shoppers, buyers wanting a single-active iron formula.
Is the Thorne, Advanced Iron Complex, 60 Capsules worth buying?
One capsule provides 36 mg elemental iron as Ferrochel ferrous bisglycinate plus 15 mg vitamin C, P-5-P vitamin B6, L-5-MTHF folate and methylcobalamin. iHerb currently lists it in stock, but the product page does not show NSF certification or a public product-specific certificate. It ranks #5 in our Top 5 Gentle Iron Supplements. The cofactor formula is the most comprehensive and its 5,000+ recent sales show strong demand, but the fixed scoring penalizes its lack of product-specific external certification and the list's highest active-ingredient cost. Popularity cannot outweigh those heavier criteria.
Who Is This For?
Best For
- Buyers wanting vitamin C and B-vitamin cofactors in one capsule
- Buyers preferring methylfolate and methylcobalamin forms
Not For
- Budget-focused shoppers
- Buyers wanting a single-active iron formula
Where to Buy
Appears In
Compare Head-to-Head
Customer Reviews
Alternatives to Consider
California Gold Nutrition, Ferrochel Iron (Bisglycinate), 36 mg, 90 Capsules
California Gold Nutrition
The label provides 36 mg elemental iron as ferrous bisglycinate chelate in one vegan capsule, with no vitamin C. iHerb currently lists it in stock and links a product-specific iTested certificate.
Thorne, Iron Bisglycinate, 25 mg, 60 Capsules
Thorne
Each capsule contains 25 mg elemental iron as Ferrochel ferrous bisglycinate chelate and no vitamin C. The product is currently in stock on iHerb and appears in NSF's Certified for Sport product database.
Solgar, Gentle Iron, 25 mg, 180 Capsules
Solgar
The Supplement Facts panel lists 25 mg elemental iron as iron bisglycinate chelate per vegetable capsule, without vitamin C. iHerb currently shows the 180-count bottle in stock.
Doctor's Best, High Absorption Iron, 27 mg, 120 Tablets
Doctor's Best
The label supplies 27 mg elemental iron as Ferrochel ferrous bisglycinate chelate in one tablet, with no vitamin C. iHerb currently lists the 120-tablet bottle in stock.