Club Moss

About Club Moss

Scientific Summary

Club moss (Huperzia hypogeae) is a small, evergreen, spore‑bearing plant that grows in damp, shaded forest floors. It is primarily used to support cognitive function and memory, and some people take it to help with calm and focus. Because it contains alkaloids that influence the nervous system, it can cause mild stomach upset and should be avoided by pregnant or breastfeeding women, those with heart rhythm problems, or anyone taking medications that affect the central nervous system.

Source: WHO Monographs on Selected Medicinal Plants (Vols 1-3), Trease & Evans Pharmacognosy 16th ed

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Research

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