What is a potential danger of combining St. John's Wort with 5-HTP or SAMe?
Answer
It can lead to an excessive and potentially dangerous rise in serotonin
St. John's Wort is known to elevate serotonin levels in the body. When combined with other supplements that also boost serotonin, such as 5-HTP or SAMe, the cumulative effect can lead to a condition characterized by dangerously high serotonin levels. This interaction highlights the necessity of avoiding combinations that target the same neurotransmitter pathways without close medical supervision, as the resulting spike in serotonin can be harmful.

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