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
Short courses at symptom onset.
Who it's actually for
Adults with early respiratory symptoms and no autoimmune condition.
Safe upper limit
UnverifiedNo formal limit; short courses of standardised extract
Can cause allergic reactions and, rarely, liver effects. Avoid in pregnancy.
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
- Blood thinners / antiplatelets — Warfarin, apixaban, rivaroxaban, clopidogrel, aspirin
- Blood pressure medication — Beta blockers, calcium channel blockers, ACE inhibitors
Other supplements:
Run your full list through the interaction check.
Practical notes
- Immune-stimulating — avoid with autoimmune disease or immunosuppressants.
- Not for use in pregnancy.