Feed Entities Podcasts Deep Dives Developers About

[KongchangAI]

Real-time AI knowledge base. Every claim is traceable to its source, with data freshness under 24 hours.

Powered by 240+ first-hand AI sources

Knowledge

Feed
Hot Entities
Podcasts

Developers

CLI
MCP Server
REST API
About

© 2026 KongchangAI. The freshest, most accurate AI knowledge

Unverified90% confidenceDecision RuleTime unknown

备孕及孕早期女性应选叶酸含量400-800μg的配方（活性形式5-MTHF优于合成叶酸），且DHA、维生素A剂量需控制，普通成人复合片不能替代专用孕产配方

1

Sources

90%

Confidence

Long-term

Relevance

-

First Seen

Sources

Related Entities

维生素复合片category

Related Claims

Unverified备孕及孕期女性应选孕妇专用配方（含叶酸≥400μg、DHA、碘），普通综合维生素叶酸不足且可能含视黄醇形式维生素A（过量致畸风险）88% similar Unverified备孕/孕早期女性应选择明确标注甲基叶酸含量（推荐400-800μg）的产品，且需确认叶酸形式，避免仅靠普通复合B族的低剂量叶酸87% similar Unverified叶酸对备孕及孕早期女性至关重要，推荐孕前3个月起每日补充400-800μg；部分人群存在MTHFR基因多态导致叶酸代谢差，可选择活性型5-甲基四氢叶酸（5-MTHF）而非普通合成叶酸86% similar Unverified备孕及孕早期叶酸每日需达到400-800μg，且优先选活性型5-MTHF而非合成叶酸(folic acid)，合成叶酸过量未代谢会在血液堆积86% similar Unverified如果是备孕女性需要高剂量叶酸（如0.4-0.8mg/天），不应将此产品作为叶酸的主要来源，需另行补充专用叶酸制剂85% similar

Cite This Claim

Stable URI

https://kongchang.com/claim/179166

API

curl https://kongchang.com/api/v1/knowledge/claims/179166

MCP

get_claim(id=179166)