Can vitamins be taken on an empty stomach or do they need to be combined with food?

The rules for taking vitamins and minerals depend on their chemical structure and the characteristics of gastrointestinal absorption. Some compounds require the mandatory presence of fats or a specific environmental acidity, while others are better absorbed on an empty stomach. Incorrect intake can not only reduce the effectiveness of the supplement but also cause discomfort in the abdomen.

All vitamins are divided into water-soluble and fat-soluble. Fat-soluble vitamins, such as A, D, E, and K, must be taken during a meal containing healthy fats, such as avocado, fish, or nuts. Without a fat base, these nutrients will practically not be absorbed by the body, and taking the supplement will turn out to be a waste of money.

Water-soluble vitamins, including vitamin C and group B, are more flexible, but there are nuances here too. B vitamins are best taken in the first half of the day, preferably during breakfast, as they can have a mild invigorating effect. As for amino acids and minerals like iron or zinc, they often cause nausea if taken on an empty stomach, so it is also better to combine them with food, taking into account undesirable food combinations.