Across 405 first-hand reports, people mentioned a side effect 22 times (about 5 per 100 reports). The most common: anxiety, stomach issues, acne. User reports show what people notice — they can't tell you whether Maca is safe for you.
“After taking it consistently for months, I can't say I really saw an improvement on anything, energy or anything.”
“I've taken maca before and it's worse. Lol Really put me on edge, too. I was irritable all the time.”
“There’s a definite mood and energy boost, and I feel that it makes it easy to stay motivated even when you are tired.”
“Maca does nothing for me, except rising estrogen. Tried several brands and types... Maca absolutely wins for this!”
“I tried libido boosting supplements and none worked - maca, tongkat, HGW.”
“What I've tried that didn't work for me (weak or no response): Maca (any kind)”
Conclusion: The inconsistencies might have been related to intervention-related factors, such as duration or dose. Furthermore, conclusions may be different if other health benefits are considered.