Short answer: Do not take Memocept without checking with a pharmacist or doctor first if you take antidepressants — SSRIs, SNRIs, MAOIs, TCAs or triptans — since St. John's Wort increases serotonin.
Why this is called "the single most important safety warning"
This direct, unhedged framing reflects the genuine severity of serotonin syndrome risk when St. John's Wort combines with serotonergic medication.
Why naming five specific medication classes matters
SSRIs, SNRIs, MAOIs, TCAs and triptans — five specifically named categories give you something concrete to check against your own prescriptions, rather than a vague "antidepressants" caution.
⚠️ Worth knowing: combined with prescription antidepressants, this combination can cause dangerous serotonin syndrome — a genuine, serious medical risk worth taking seriously.