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, typically four to eight weeks. Benefits usually stop when you do.
Who it's actually for
After antibiotics, for IBS symptoms, and for specific diagnosed conditions.
Safe upper limit
VerifiedNot applicable
Generally safe, but people who are severely immunocompromised or critically ill should not take live cultures without medical advice.
No source attached yet. Treat this as a starting point, not a citation, until reviewed.
Interactions to know about
- Immunosuppressants — Ciclosporin, tacrolimus, azathioprine, biologics, steroids
- Antibiotics — Especially tetracyclines and quinolones
Other supplements:
Run your full list through the interaction check.
Practical notes
- Strain matters more than the CFU count on the front of the box.
- Space several hours from antibiotic doses.
- If you have a central line or are immunosuppressed, ask first.