NOW Foods
NOW Foods Iron Ferrous Bisglycinate
78/100
SUPPIE SCORE
85/100
EFFICACY
Medium
SAFETY
90/100
CLEANLINESS
What Does NOW Foods Iron Ferrous Bisglycinate Do?
Iron (elemental) (from 180 mg Ferrous Bisglycinate) (Ferrochel™) provides 36 mg a day, within the studied range of 8-45 mg/day.
What daily elemental iron dose from ferrous bisglycinate is right for my needs based on bloodwork?
How does ferrous bisglycinate compare to ferrous sulfate for absorption and stomach tolerance?
Are there any foods, medications, or conditions that affect how well this iron supplement works?
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What Are the Benefits of NOW Foods Iron Ferrous Bisglycinate?
Based on proven scientific research
Iron Deficiency CorrectionStrong
Hemoglobin SupportStrong
Reduced GI Side EffectsVery strong
Energy and Oxygen TransportModerate
Pregnancy Iron NeedsStrong
Good For:
What Are the Side Effects of NOW Foods NOW Foods Iron Ferrous Bisglycinate?
Always consult your health practitioner if in doubt.
RiskMedium Risk
Overview
•Ferrous bisglycinate demonstrates significantly fewer GI adverse events (IRR 0.36) than conventional iron salts in meta-analysis of RCTs.
•Accidental overdose of any iron product is a leading cause of fatal poisoning in children under 6; keep out of reach.
•Well-tolerated at 15-36 mg elemental iron daily; no major safety signals in pregnant women or reproductive-age adults at studied doses.
•May cause dark stools or mild constipation at higher ends of typical dosing, though less than other forms.
•No demonstrated increase in gut inflammation or specific pathogen risks like GBS in relevant trials.
Potential Side Effects
Negative Interactions
Inactive Ingredients
Rice flour
Low RiskHypromellose (cellulose capsule)
Low RiskStearic acid (vegetable source)
Low RiskSilicon dioxide
Low RiskWhat Are the Ingredients in NOW Foods NOW Foods Iron Ferrous Bisglycinate?
Iron (elemental) (from 180 mg Ferrous Bisglycinate) (Ferrochel™)
36 mg
Rice Flour
Hypromellose (cellulose capsule)
Stearic Acid (vegetable source)
Silicon Dioxide
Dosage & Bioavailability
How the active doses and forms in NOW Foods Iron Ferrous Bisglycinate compare to the research.
•Iron (elemental) (from 180 mg Ferrous Bisglycinate) (Ferrochel™) — 36 mg per serving; within the studied range of 8-45 mg/day.
Sources & References
Iron 36 mg double strength veg capsules
Information from www.nowfoods.com
Iron bisglycinate 36 mg
Information from nowfoods.ca
Drg 20406792
Information from www.mayoclinic.org
37271416
Information from pubmed.ncbi.nlm.nih.gov
Ferrous bisglycinate hydrochloride
Information from pubchem.ncbi.nlm.nih.gov
Iron bisglycinate
Information from pubchem.ncbi.nlm.nih.gov
PMC8839493
Information from pmc.ncbi.nlm.nih.gov
Frequently Asked Questions
Common questions about NOW Foods NOW Foods Iron Ferrous Bisglycinate