[KongchangAI]
Unverified85% confidenceDecision RuleTime unknown

选购应认准第三方检测认证(如美国NSF、USP,或产品标注独立实验室报告),因为褪黑素属膳食补充剂监管宽松,市售产品实际含量与标注偏差常见(研究发现偏差范围-83%至+478%)

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https://kongchang.com/claim/196697
API
curl https://kongchang.com/api/v1/knowledge/claims/196697
MCP
get_claim(id=196697)