Evidence supporting the use of: Maca
For the health condition: Sex Drive (low)

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Synopsis

Source of validity: Scientific
Rating (out of 5): 3

Maca (Lepidium meyenii), a plant native to the Andes of Peru, has a longstanding traditional use as an aphrodisiac and fertility enhancer. In recent years, maca has attracted scientific interest for its potential to support sex drive (libido), particularly in both men and women experiencing low sexual desire.

Several clinical studies have investigated maca’s effects on sexual function. A 2002 randomized, double-blind study published in Andrologia found that men who took maca root supplements for 12 weeks reported improved sexual desire compared to placebo. A systematic review in 2010 (BMC Complementary and Alternative Medicine) concluded that there is some evidence maca can improve sexual desire after at least six weeks of ingestion, though the number of studies is limited and sample sizes are small. Other trials have reported similar subjective improvements in libido among both men and women, including those with sexual dysfunction related to antidepressant use.

While the precise mechanisms are not fully elucidated, maca does not appear to significantly alter sex hormone levels (e.g., testosterone or estrogen), suggesting its effects may be mediated through other pathways, possibly involving mood, energy, or neurotransmitters.

In summary, while traditional use is strong, there is moderate scientific evidence (rated 3/5) supporting maca’s benefit for increasing sex drive, though more large-scale, high-quality research is needed to confirm efficacy and understand mechanisms.

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