[KongchangAI]
Unverified85% confidenceDecision RuleTime unknown

选择标准化提取(standardized extract)且标注'≥90%多酚、≥50%EGCG'的产品,标准化程度决定有效成分稳定性;同时看是否有第三方检测认证(如USP、NSF、Informed Choice)

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Long-term
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https://kongchang.com/claim/429367
API
curl https://kongchang.com/api/v1/knowledge/claims/429367
MCP
get_claim(id=429367)