Natures Choice Keto director of the University of Tennessee’s Nutrition Institute. Therefore, people struggling with overweight and obesity (especially abdominal obesity ) should especially take care of the proper supplementation of this vitamin. The correct dosage of vitamin D in infants, children and adults is very important, because both its deficiency and excess can disturb the proper functioning of the body. Vitamin D supplementation is different in children, adults and pregnant women, as well as in people at risk of deficiency, including obese, working at night and with dark skin complexion. Check what are the norms of vitamin D intake.advertisementNatures Choice Keto