Generally speaking, taking vitamin B group in the morning is the best; As for vitamin c

It is best taken in the morning. Vitamin A, vitamin D, vitamin E and vitamin K need to be absorbed together with the fat in food. If eaten alone without any oil, it cannot be absorbed. Therefore, this supplement is best taken after meals. In addition,

Vitamin e supplements can only take effect 6 hours after taking them. If people who lose weight through exercise take vitamin E 6 hours before exercise, they can help fat burn in a lot of activities.