Unverified75% confidenceDecision RuleTime unknown
绿茶提取物(EGCG)与咖啡因协同时热效应证据较强,选购时看EGCG含量≥200mg/份,但单日EGCG超过800mg存在肝损伤风险,需避免空腹大剂量服用
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75%
Confidence
Long-term
Relevance
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Unverified含高剂量绿茶提取物(EGCG>800mg/日)的护肝配方不建议空腹长期服用,已有EGCG过量导致肝损伤的病例报告,选购时避开单一超高剂量绿茶提取物产品84% similarUnverified所谓'燃脂'成分中,绿茶提取物(EGCG)需≥250mg/日、左旋肉碱需≥2g/日才有微弱代谢提升证据,且效果远小于饮食运动,单靠补剂减脂不现实80% similarUnverified咖啡因+EGCG协同产热效果最佳,选择咖啡因50-100mg/份的产品,超过200mg/份对代谢提升边际收益低但心悸风险显著上升79% similarUnverified宣称'燃脂'的绿茶素饮品,有效EGCG单日需达300-400mg才具备文献支持的代谢促进效果,多数市售即饮茶饮EGCG含量不标注或<50mg,实际效果有限77% similarUnverified单粒剂量已经较高,如果同时服用其他含绿茶提取物的复合补剂,需注意累计EGCG总量避免超量75% similar
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