People could even be able to affix a diabetes prevention program. In truth, a overview of research in the Journal of Geriatric Cardiology means that plant-ahead diets like vegetarian, semi-vegetarian or vegan can function part of a holistic treatment and prevention of sort 2 diabetes. This is especially of concern with vitamins A and D, which can be toxic if taken in excess. If taken in excess they are readily excreted within the urine, although there's potential toxicity even with water-soluble vitamins