营销话术证据 C · 证据有限
吃肌酸会掉头发
真相
依据只是一项小研究里 DHT 在正常范围内升高;唯一直接量头发的随机试验没看到变化。
这话术为什么会流行
它有一条听起来环环相扣的推理链:一项小研究里肌酸让双氢睾酮升高,而双氢睾酮正是让敏感毛囊变细的那个分子。第一环有一点数据,后面几环就很容易被默认成立。
机制速览
肌酸在补剂里的位置很特殊——它不太像补剂。
来源(3)
- Kreider, R. B., et al. (2017). International Society of Sports Nutrition position stand: safety and efficacy of creatine supplementation in exercise, sport, and medicine. Journal of the International Society of Sports Nutrition, 14, 18.
- Antonio, J., et al. (2021). Common questions and misconceptions about creatine supplementation: what does the scientific evidence really show? Journal of the International Society of Sports Nutrition, 18, 13.
- Candow, D. G., et al. (2019). Effectiveness of creatine supplementation on aging muscle and bone: focus on falls prevention and inflammation. Journal of Clinical Medicine, 8(4), 488.