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3Medicinal

SAM-e

Also sold as S-adenosylmethionine

Used for osteoarthritis and mood; can trigger mania and serotonin excess.

3TrustedSupp Tier System™ · Tier 3Take as a defined course
Check before you startThis one has documented interactions with medication classes where the consequences are serious. If you take any prescription medicine, run it past a pharmacist before starting.

How long to take it

Course-based, under medical supervision if you have any mood diagnosis.

Who it's actually for

Osteoarthritis and low mood — but not alongside psychiatric medication without oversight.

Safe upper limit

Unverified
No formal limit; 400–1,600 mg daily in trials
Serotonergic. Combined with antidepressants it risks serotonin syndrome, and it can precipitate mania in bipolar disorder.
No source attached yet. Treat this as a starting point, not a citation, until reviewed.

Interactions to know about

  • AntidepressantsSSRIs, SNRIs, MAOIs, tricyclics
  • TramadolSerotonergic painkiller
  • TriptansSumatriptan and similar migraine drugs
  • Parkinson's medicationLevodopa / carbidopa

Other supplements:

Run your full list through the interaction check.

Practical notes

  • Never combine with SSRIs, SNRIs, tramadol, or St John's wort.
  • Can trigger mania — avoid in bipolar disorder unless a psychiatrist agrees.
  • Take on an empty stomach; enteric-coated tablets absorb better.