Supplement stacks / Duloxetine + Magnesium

Can You Take Duloxetine with Magnesium?

Duloxetine 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

Duloxetine is an antidepressant that can interact with magnesium, particularly affecting absorption and efficacy. While magnesium is generally safe, its interaction with duloxetine may require careful timing to avoid potential absorption issues. Users should consult their healthcare provider for personalized advice.

Duloxetine 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

Duloxetine × Magnesium
medium risk

Magnesium may affect the absorption of duloxetine, potentially reducing its effectiveness. It is advisable to space the intake of these substances by at least 4 hours.

Duloxetine

From the AI-written analysis.

Generally well-tolerated, but may cause side effects such as nausea, fatigue, and dizziness. Monitor for any unusual symptoms.

Typical dosage: As prescribed or as directed on the label

Common side effects:
  • Nausea
  • Dry mouth
  • Fatigue
  • Dizziness
  • Insomnia
Warnings:
  • Consult healthcare provider for potential interactions with other medications.
  • Monitor for worsening mood or suicidal thoughts.

Magnesium

From the AI-written analysis.

Generally safe at recommended doses; caution in individuals with kidney disease.

Typical dosage: 200-400 mg daily.

Common side effects:
  • Diarrhea
  • Nausea
  • Abdominal cramping
Warnings:
  • High doses may cause gastrointestinal upset.
  • Consult healthcare provider if you have kidney issues.

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 Duloxetine and Magnesium together?

Duloxetine 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 Duloxetine and Magnesium combination get?

The Duloxetine 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 Duloxetine and Magnesium?

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.

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What your DNA adds

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AI-written analysis generated August 28, 2026, checked by our interaction rules · How our analysis works