Lepidium Meyenii Root Powder
Maca has a long history of food use in Peru. Reviews including USP and FDA MedWatch find low toxicity and good human tolerance with rare adverse events.
What it is
Maca root — powdered tuber of Lepidium meyenii (Peruvian maca), a cruciferous Andean root traditionally used as food and for fertility/energy support.
Functional food / dietary supplement (energy, libido, mood).
Why it's flagged
- limited long-term safety data
- potential interaction with hormone-sensitive conditions
- raw maca contains glucosinolates (typically reduced by traditional cooking)
What regulators actually say
"Maca is generally safe, with rare adverse effects, supported by preclinical studies revealing low toxicity and good human tolerance."
"USP Dietary Supplements Compendium safety review of Maca finds the admission evaluation review information does not suggest safety concerns."
Regulatory status
United States — FDA
Sold as dietary supplement under DSHEA; some maca preparations have self-affirmed GRAS
European Union — EFSA
Novel food status varies by member state
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