Mineral
Iron (Bisglycinate)
Also known as: Ferrochel, Iron glycinate, Chelated iron
Highly absorbable iron form that's gentle on the stomach. Best choice for those who experience GI upset with other iron forms.
Last reviewed June 2026 · Evidence graded from peer-reviewed research, not editorial opinion. Educational only — not medical advice.
Primary uses
- Anemia
- Iron deficiency
- Energy
- Women's health
How it works
- Glycinate chelation enhances absorption
- Doesn't cause constipation like other forms
- Absorbed intact through intestinal cells
Dosage
- Typical range
- 18-65 mg daily based on need
- Timing
- Empty stomach or with vitamin C
- With food
- Can take with food if GI upset
- Duration
- Until stores replete
- Special populations
- Menstruating women, vegetarians
Forms
- Bisglycinate
- Ferrochel
Safety
Common side effects
- Less constipation than other forms
Contraindications
- Hemochromatosis
- Non-deficient states
Products containing Iron (Bisglycinate)
Top-scoring supplements in our catalog that list Iron (Bisglycinate) on the label. Each product is graded on Formulate's ingredient-level rubric — dose accuracy, form, transparency, and third-party testing.
Evidence notes
Well-absorbed with minimal GI effects
Grade A: Multiple well-designed human trials support the main claims.
Related in Mineral
Check a full stack
Formulate's free interaction checker lets you paste in any combination of supplements and medications at once — every pairing flags severity, timing, and cited evidence.
Open the checkerWhere does Iron (Bisglycinate) fit in your stack?
Answer two questions and get a stack graded on research — every ingredient scored on the evidence behind it, not the marketing.
Build my stack2 questions · free · no account needed to start
Also on iPhone — get the free app
Evidence-based supplement guides, no spam
We send a short digest when new guides drop — nothing else. No affiliate pushes, no sponsored content, unsubscribe anytime.
Medical disclaimer. This page is educational and does not replace advice from a qualified healthcare provider. Individual needs and risks vary — consult a professional before starting, stopping, or combining supplements, especially if you are pregnant or nursing, taking medication, or managing a health condition.