Supplement stacks / Fluoxetine + Magnesium

Can You Take Fluoxetine with Magnesium?

Fluoxetine 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

Fluoxetine, a selective serotonin reuptake inhibitor (SSRI), is commonly prescribed for depression and anxiety. Magnesium is a mineral that supports various bodily functions, including immune health. While there are no direct contraindications between fluoxetine and magnesium, caution is advised due to potential interactions affecting absorption and the overall safety profile of fluoxetine.

Fluoxetine 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

Fluoxetine × Magnesium
medium risk

Magnesium may interfere with the absorption of fluoxetine if taken simultaneously. It is advisable to space the intake of magnesium and fluoxetine by at least 2 hours.

Fluoxetine

From the AI-written analysis.

Generally well-tolerated, but can cause side effects such as nausea, insomnia, and sexual dysfunction. Monitor for serotonin syndrome, especially if combined with other serotonergic agents.

Typical dosage: As prescribed or as directed on the label

Common side effects:
  • Nausea
  • Insomnia
  • Sexual dysfunction
  • Dry mouth
  • Dizziness
Warnings:
  • Consult healthcare provider for potential interactions with other medications and supplements.
  • Monitor for signs of serotonin syndrome.

Magnesium

From the AI-written analysis.

Generally safe for most individuals; however, excessive intake can lead to diarrhea and abdominal cramping. Caution in individuals with kidney disease.

Typical dosage: 200-400 mg daily.

Common side effects:
  • Diarrhea
  • Abdominal cramping
  • Nausea
Warnings:
  • Consult healthcare provider if you have kidney disease or are on medications affecting kidney function.
  • Excessive magnesium can lead to toxicity.

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 Fluoxetine and Magnesium together?

Fluoxetine 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 Fluoxetine and Magnesium combination get?

The Fluoxetine 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 Fluoxetine 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.

Check your full stack

Taking more than these two? Add everything you take, medicines included, to your list. We check each supplement on your list against the rest of it, and name anything we could not check. Free, and you don’t need an account.

Analyze my stack

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

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