This soluble vitamin, retinol, is present in foods of animal origin. However, it is also found in plants, in the form of beta-carotene, which is turned by the body into vitamin A (beta-carotene is also called provitamin A). To turn into retinol, beta-carotene needs fat. Carotene-rich foods (broccoli, carrot, melon, spinach) are indicated for cancer, […]