Yes, carotene has the effect of replenishing essence and strengthening the kidneys, producing blood and strengthening bones. It should be taken in moderation, in appropriate amounts, and for a long time. This trace element will exceed the standard in the body and lose balance with other trace elements in the body. , can easily lead to new diseases. This is common sense. Do you understand? Besides, if your eyes are not good, have you checked your liver function?