这种药物有很好的保健功效。

Zhè zhǒng yàowù yǒu hěn hǎo de bǎojiàn gōngxiào.

This medicine has excellent health benefits.

这个中药对改善睡眠有良好的功效。

Zhège zhōngyào duì gǎishàn shuìmián yǒu liánghǎo de gōngxiào.

This traditional Chinese medicine has a good effect on improving sleep.

食品标签上注明了产品的功效。

Shípǐn biāoqiān shàng zhùmíngle chǎnpǐn de gōngxiào.

The food label specifies the efficacy of the product.