..., oral niacin supplementation results in increased skin NAD levels, decreasing the incidence of skin cancers in a dose-responsive fashion. Supplementation with 0.1, 0.5 and 1.0% niacin decreases the incidence of skin tumours from 68 to 60, 48 and 28%, respectively [ 5 .] Studies have been extended...

... Abstract Prolonged and high-intensity exercise affects immune function and leads to an increased risk of upper respiratory tract infections (URTIs) in endurance athletes. The increased incidence of URTI symptoms may negatively affect athletic performance. Various nutritional supplements have...

... Abstract Food supplements are foods presented in small unit dose form and containing concentrated sources of nutrients and other food components. The composition, manufacturing, and safety is strictly regulated by an extensive body of legislation, both at EU and at national level. Evidence from...

... Dietary supplements Multivitamin-multimineral supplements Efficacy Safety Food and Drug Administration Key Messages • Dietary supplements are widely available and are commonly used by the general public. • The two main categories of dietary supplements are products composed...

... Abstract Great interest is currently shown for the contribution of nutrition to optimize training and athletic performance, and a considerable debate exists about the potential ergogenic value of several dietary supplements. However, most of the products used by athletes do not provide...

... supplementation of GLN should provide major benefits, GLN is provided in subnutritional quantities because standard parenteral nutrition solutions do not contain GLN and most of these babies do not receive full enteral feedings until several weeks after birth. No evidence of toxicity of GLN supplementation...

...)D concentration, but can include regular safe sun exposure and/or dietary supplementation combined with increased vitamin D intake. Introduction It has long been recognized that adequate vitamin D status is necessary for bone health and calcium regulation. Emerging evidence, however...