The Recommended Daily Allowance is 1-2 micrograms and good dietary sources are meat (particularly liver), fish, eggs, dairy produce, fortified cereals and brewer's yeast.

建议的每日津贴是1-2微克和良好的饮食来源是肉类（尤其是肝） ，鱼，蛋，奶类生产，强化谷物和啤酒酵母。

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Liver and kidneys are particularly rich in vitamin A.

肝脏和肾脏尤其富含维生素A。

《柯林斯英汉双解大词典》

Kava root should be used cautiously — particularly in people at risk for liver problems, scientists say.

科学家说，卡法根的使用应该谨慎，特别是对有肝病风险的人。

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By disturbing the body's equilibrium, anabolic steroids can potentially cause damage to many of the body's major organs, particularly the liver, which has to deal with breaking down the compound.

BBC: Nandrolone and anabolic steroids

Using such huge amounts of RNAi could be dangerous in people, and she and her colleagues picked the liver particularly because it would be easy to get the RNAi into the organ.

FORBES: Magazine Article

And it added in one case, a woman using black cohosh needed a liver transplantation after a particularly severe reaction.

BBC: Some women are using alternative therapies instead of HRT