Thorne
Iron Bisglycinate

75/100
SUPPIE SCORE
78/100
EFFICACY
Medium
SAFETY
88/100
CLEANLINESS
What Does Iron Bisglycinate Do?
25 mg elemental iron as Ferrochel ferrous bisglycinate provides a studied chelate form shown in trials to raise hemoglobin and ferritin at comparable low doses around 24-30 mg, with evidence for better tolerability than sulfate in some populations.
What is the typical duration for iron supplementation with this product?
How does Ferrochel compare to other iron forms in terms of absorption?
Should this be taken with or without food?
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What Are the Benefits of Iron Bisglycinate?
Based on proven scientific research
Iron status improvementStrong
Hemoglobin supportStrong
Ferritin increaseModerate
Good For:
What Are the Side Effects of Thorne Iron Bisglycinate?
Always consult your health practitioner if in doubt.
RiskMedium Risk
Overview
•May cause gastrointestinal side effects such as nausea, constipation, or abdominal discomfort
•Can interact with certain antibiotics, antacids, or other minerals reducing absorption
•Upper limit for elemental iron is 45 mg/day for adults; this dose is within common studied ranges
•Not recommended during pregnancy without medical supervision due to specific needs and monitoring
•Evidence on long-term high-dose use is limited for this specific chelate form
Potential Side Effects
Negative Interactions
Inactive Ingredients
Hypromellose (derived from cellulose) capsule
Low RiskMicrocrystalline cellulose
Low RiskLeucine
Low RiskSilicon dioxide
Low RiskSilicon dioxide
Low RiskWhat Are the Ingredients in Thorne Iron Bisglycinate?
Iron (as Ferrochel® Ferrous Bisglycinate Chelate)t
25 mg
Hypromellose (derived from cellulose) capsule
Microcrystalline Cellulose
Leucine
Silicon Dioxide
Silicon Dioxide
Dosage & Bioavailability
How the active doses and forms in Iron Bisglycinate compare to the research.
•Iron (as Ferrochel® Ferrous Bisglycinate Chelate) — 25 mg; matches low-dose ranges (24-30 mg) studied for improving iron markers in deficient adults and children.
•Iron (as Ferrochel® Ferrous Bisglycinate Chelate) — 25 mg; chelate form demonstrates higher hemoglobin response versus some non-chelate irons in comparative trials.
•Iron (as Ferrochel® Ferrous Bisglycinate Chelate) — 25 mg; absolute amount fully disclosed with no blend, allowing direct comparison to guideline low-dose supplementation.
Frequently Asked Questions
Common questions about Thorne Iron Bisglycinate