Tirzepatide & Iron
Depletes Iron. This medication is commonly used for Weight Loss
Why Tirzepatide affects Iron
GLP-1 RA therapy can be associated with lower iron stores in some patients by reducing intake and absorption, but not all users need or should take extra iron. Because some people have high ferritin or genetic HFE variants, routine iron use may be harmful rather than helpful. Users should have periodic blood tests to have iron levels and CBC checked, and only use iron if iron-deficiency anemia is confirmed and clinically indicated.
Clinical Evidence
Urbina J, Salinas-Ruiz LE, Valenciano C, Clapp B. Micronutrient and Nutritional Deficiencies Associated With GLP-1 Receptor Agonist Therapy: A Narrative Review. Clin Obes. 2026 Feb;16(1):e70070. Scott Butsch W, Sulo S, Chang AT, Kim JA, Kerr KW, Williams DR, Hegazi R, Panchalingam T, Goates S, Heymsfield SB. Nutritional deficiencies and muscle loss in adults with type 2 diabetes using GLP-1 receptor agonists: A retrospective observational study. Obes Pillars. 2025 Jun 10;15:100186. Almuammar SA, Alzahrani HK. GLP-1 analog therapy and hemoglobin levels: Insights from a retrospective study. Saudi Med J. 2025 Aug;46(8):907-912. Sibal R, et al. Macronutrient, Micronutrient Supplementation and Monitoring for Patients on GLP-1 Agonists: Can We Learn from Metabolic and Bariatric Surgery? Nutrients. 2025 Nov 23;17(23):3659. Melis P, Lucijanic M, Kranjcec B, Cigrovski Berkovic M, Marusic S. The effect of semaglutide on intestinal iron absorption in patients with type 2 diabetes mellitus-A pilot study. Diabetes Obes Metab. 2025 Jun;27(6):3542-3545.
Recommended Replacement
Iron (as Ferrochel-tm Bisglycinate chelate) — 27 mg
Other Nutrients Affected by Tirzepatide
- Folic Acid — Depletion
- Vitamin D3 — Depletion
- Zinc — Depletion
- Calcium — Depletion
- Vitamin B12 — Depletion
- Magnesium — Suppression
- Potassium — Suppression
- Chromium — Suppression
- CoQ10 — Suppression
- Vitamin B2 — Suppression
- Vitamin B6 — Suppression
Get Support
Prolonged use of Tirzepatide can leave gaps in your nutrition. A targeted supplement can help restore balance while you continue treatment.
GLP-1 Support™
A bespoke formula designed to replenish the nutrients depleted by Tirzepatide.
Once Daily Capsule · Rx Not Required
Learn More