Supplement stacks / Magnesium + Sildenafil

Can You Take Magnesium with Sildenafil?

Magnesium and Sildenafil: 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

Taking magnesium with sildenafil is generally considered safe, but caution is advised due to potential interactions affecting absorption and the need for monitoring in specific health conditions.

Sildenafil is a prescription medication. This page describes publicly documented interactions — it can't see your dose, your other prescriptions, or your labs. Discuss any supplement with the prescriber or pharmacist who manages this medication before combining.

Known interactions

Magnesium × Sildenafilmedium risk

Magnesium may affect the absorption of sildenafil; it is advisable to space their intake by at least 2 hours.

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
  • Nausea
  • Abdominal cramping
Warnings:
  • Avoid in severe kidney disease
  • Consult healthcare provider if on other medications

Sildenafil

From the AI-written analysis.

Generally safe when prescribed; contraindications exist for certain heart conditions.

Typical dosage: As prescribed or as directed on the label

Common side effects:
  • Headache
  • Flushing
  • Dyspepsia
Warnings:
  • Consult healthcare provider if taking nitrates
  • Monitor for cardiovascular side effects

Timing

Take as prescribed — we do not schedule prescription medications. Follow the label or your prescriber, and ask your pharmacist before changing when you take it.

Frequently asked questions

Can you take Magnesium and Sildenafil together?

Magnesium and Sildenafil: 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 Magnesium and Sildenafil combination get?

The Magnesium and Sildenafil 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 Magnesium and Sildenafil?

Take as prescribed — we do not schedule prescription medications. Follow the label or your prescriber, and ask your pharmacist before changing when you take it.

Check your full list

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What your DNA adds

Some genes in a raw 23andMe or AncestryDNA file are linked to how the body handles nutrients. The DNA report says what yours are linked to and, where there is one, which blood test would tell you more.

See the DNA report

Related combinations

Not medical advice

This analysis is based on general supplement information. It is not a substitute for professional medical advice, diagnosis, or treatment. Always consult qualified healthcare providers before starting any supplement regimen.

AI-written analysis generated September 2, 2026, checked by our interaction rules · How our analysis works