何时服用
20–45 minutes before training; caffeinated versions no later than 6–8 hours before sleep.
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运动表现证据中等
Pre-workout blend
别名: pre-workout stimulant, pre-workout shot
A pre-workout is a blend taken before training, typically containing caffeine, beta-alanine, citrulline, creatine, betaine, tyrosine and electrolytes. Its effect comes mainly from individual ingredients at adequate doses, so quality depends on the label.
用途
- alertness and performance from caffeine – strong evidence for caffeine
- endurance in high-intensity efforts (beta-alanine) – moderate evidence
- blood flow and performance (citrulline) – weak to moderate evidence
剂型及区别
stimulant
contains caffeine, often 150–300 mg per serving – check the label
caffeine-free (stim-free)
suits evening training, relies on citrulline, beta-alanine etc.
shot
smaller liquid serving, usually with caffeine
proprietary blend
without listed amounts its effectiveness cannot be judged
适合搭配
Water, a light pre-training meal; good hydration.
不宜同服 / 需错开
Do not combine with coffee, energy drinks or other stimulants. Beta-alanine may cause harmless skin tingling.
注意事项
Not suitable during pregnancy, breastfeeding or for adolescents. With high blood pressure, heart disease, anxiety, kidney or liver disease, or when taking medicines, consult your doctor.
安全性
Total caffeine should not exceed 400 mg per day (EFSA, healthy adults) and 200 mg at once; do not exceed the label dose.
实用建议
Start with half a serving and do not use it before every session to avoid tolerance.
含 Pre-workout blend 的产品 6
Pre-workout blend stim-free (citrulline, nitrates)stim-free (citrulline, nitrates)
Pre-workout blend liquid shotliquid shot
Pre-workout blend caffeine + beta-alanine + citrullinecaffeine + beta-alanine + citrulline
Pre-workout blendstimulant-free
Pre-workout blendcaffeine + citrulline + beta-alanine
Pre-workout blendcitrulline + nitrate
如何理解证据评级
证据充分证据中等证据薄弱无证据
充分 = 多项高质量人体研究或官方推荐；中等 = 有前景但研究规模较小；薄弱 = 研究少或结果不一；无证据 = 说法未被证实。
您真正需要哪些补充剂？
Fénix Methode 根据您的血检结果挑选并安排服用时间——不再白花钱。
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重要提示
以上信息仅供科普，不能替代医生或药师建议，我们不提供药物剂量。补充剂不能替代均衡饮食；孕期、哺乳期、患病或服药者请先咨询医生。