Iron & Vitamin A (Retinol)

Info Synergy
Info Synergy

Vitamin A helps mobilize iron stores and improves iron status.

Mechanism

Vitamin A deficiency impairs iron mobilization from stores. Supplementing vitamin A alongside iron improves hemoglobin more than iron alone.

Recommendation

A beneficial combination for addressing iron-deficiency anemia, especially in populations with marginal vitamin A status.

Sources

Drug interaction context

Known drug category interactions for these supplements. Especially relevant if you take prescription medications.

Warning Iron × Thyroid medication (levothyroxine)

Iron reduces levothyroxine absorption.

Take levothyroxine at least 4 hours before or after iron supplements.

Check your full stack including medications →

Tolerable upper intake limits

Reference values for safe daily intake of these supplements.

Vitamin A (Retinol)
3000.000 mcg RAE
adults NIH ODS / IOM

Applies to preformed vitamin A (retinol) only, not beta-carotene.

Iron
45.000 mg
adults NIH ODS / IOM

GI distress above UL. Risk of iron overload in people with hemochromatosis.

Medical Disclaimer: Noyemi provides information from published research for educational purposes only. This content is not medical advice and does not replace consultation with a qualified healthcare provider. Always consult your doctor before starting, stopping, or changing any supplement regimen, especially if you take medications or have existing health conditions.