Also known as: lepidium meyenii, peruvian ginseng
Latest evidence update: 2025-09-01
Strongest in Study quality (72). Held back by Recency (44).
Solid mix of RCTs with some methodological gaps.
Some independent replication, statistical precision uneven.
Thousands of participants across the literature.
Mostly aligned, with some divergence.
Evidence base skews older; field may have moved on.
No quantified outcomes for Macayet. Once the corpus has studies with measurable endpoints, you'll see per-outcome magnitude here.
Recommended: 1.5-3g daily
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May improve sperm concentration in men with mild fertility issues
Significantly improves sperm production and quality in stallions
Enhances physical performance and reduces fatigue in animal studies
Does not improve athletic performance or fatigue in trained basketball players
May reduce depression symptoms and lower blood pressure in postmenopausal women