i-Supplement

Disclosure: We are an independent comparison platform. We may earn an affiliate commission when you purchase through links on our site at no extra cost to you. As an Amazon Associate, we earn from qualifying purchases. Read the full disclosure.

← Catalog
Thorne Iron Bisglycinate 25 mg

Illustrative image — retailer photo will replace it

Thorne · USA

Supplements › Minerals › Iron › Bisglycinate (Ferrochel) › Iron Bisglycinate 25 mg

Iron Bisglycinate 25 mg

Capsules · 1 capsule · Bisglycinate chelate · 25 mg elemental per serving

NSF Certified for SportEvery production lot is screened against 290+ substances banned in competitive sport, plus label-claim potency and heavy metal limits.Non-GMOIngredients traced and tested to be free of genetically modified inputs above the 0.9% threshold.

NO ACTIVE OFFER

Essential Co-factors & Synergistic Pairings

Obligate Co-factor

Copper

Copper-dependent ceruloplasmin supports iron mobilization and transport after absorption.

No matching catalogue product yet.

Timing note: Separate iron by at least 2 hours from calcium, zinc, magnesium, dairy, coffee, and tea.

Nutrient pairings are based on clinical absorption data. Statements regarding dietary supplements have not been evaluated by the FDA or EFSA and are not intended to diagnose, treat, cure, or prevent any disease. Always consult your physician before starting any supplementation protocol.

What it is

Sport-certified gentle iron

Who it suits

Iron deficiency repletion, Reduced constipation vs sulfate

Best price today

No offers ship to your region

Verified clinical advantages

  • NSF Certified for Sport
  • Ferrochel chelate, minimal GI upset
  • No unnecessary fillers

Trade-offs & compromises

  • Premium price per serving

Multi-store price comparison

MerchantBase priceShippingDeliveryStock

Disclosure: We are an independent comparison platform. We may earn an affiliate commission when you purchase through links on our site at no extra cost to you. As an Amazon Associate, we earn from qualifying purchases. Buttons take you to the named retailer's own site to complete your purchase.

Biochemical facts panel

Gross compound

125 mg

Elemental active

25 mg

% Daily value

179%

Bioavailability

High

Ferrous iron chelated with glycine, absorbed intact and causing markedly less oxidative irritation of the gut mucosa than ferrous sulfate.

Target benefits

  • Iron deficiency repletion
  • Reduced constipation vs sulfate

GI tolerance & side effects

  • Dark stools
  • Mild GI upset

Renal & other contraindications

  • Haemochromatosis
  • Thalassemia without supervision

Upper tolerable intake: No EFSA UL; IOM 45 mg/day elemental

Full excipient & inactive additive disclosure

Hypromellose (capsule)LeucineSilicon dioxide

Similar alternatives

Same category, different carrier economics.