Supplement stacks / Iron + Magnesium

Can You Take Iron with Magnesium?

Iron and Magnesium: one interaction flagged, scored 7/10 (medium risk). The count and score come from an AI-written analysis checked against our interaction rules, which can only make it stricter. Not medical advice.

Safety at a glance

Medium risk
Safety score7/10

This score comes from an AI-written analysis of the pair. Our interaction rules check it and can only make it stricter, never milder. Informational only: it can't account for your medications, conditions, or genetics.

What the AI-written analysis says

Iron and magnesium can be taken together, but caution is advised due to potential interactions affecting absorption. Magnesium may interfere with iron absorption if taken simultaneously. It is recommended to space out the intake of these supplements to optimize their effectiveness.

Known interactions

Magnesium may reduce the absorption of iron if taken together.

Iron

From the AI-written analysis.

Generally safe when taken as directed; excess can lead to toxicity.

Typical dosage: Follow manufacturer guidelines

Common side effects:
  • Constipation (common)
  • Nausea (common)
  • Stomach upset (common)
Warnings:
  • Consult healthcare provider if you have a history of iron overload.
  • Monitor for gastrointestinal side effects.

Magnesium

From the AI-written analysis.

Generally safe for most individuals; caution in those with kidney disease.

Typical dosage: 200-400 mg daily

Common side effects:
  • Diarrhea (common)
  • Nausea (less common)
  • Abdominal cramping (less common)
Warnings:
  • Avoid in individuals with kidney disease.
  • Consult healthcare provider if taking other medications.

Timing

Take magnesium in the evening and iron in the morning for optimal absorption.

Recommendations

  • Consider taking magnesium and iron at different times of the day to enhance absorption.

Watch out for

  • Consult a healthcare provider before starting any new supplement regimen.

Frequently asked questions

Can you take Iron and Magnesium together?

Iron and Magnesium: one interaction flagged, scored 7/10 (medium risk). The count and score come from an AI-written analysis checked against our interaction rules, which can only make it stricter. Not medical advice.

What score does the Iron and Magnesium combination get?

The Iron and Magnesium combination is scored 7/10 (medium risk). The score comes from an AI-written analysis checked against our interaction rules, which can only make it stricter. Not medical advice. Always confirm with a healthcare professional.

When should you take Iron and Magnesium?

Take magnesium in the evening and iron in the morning for optimal absorption.

What should you watch out for when combining Iron and Magnesium?

Consult a healthcare provider before starting any new supplement regimen.

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What your DNA adds

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AI-written analysis generated July 14, 2026, checked by our interaction rules · How our analysis works