11:709:235 Lecture 5: Micronutrient of interest: Vitamin D
28 Jan 2019
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Document Summary
Micronutrient of interest: vitamin d, regulates ca and p absorption and metabolism, bone health, emerging role in mediating muscle metabolic function, support athletic performance, helpful with injury prevention, rehabilitation, reduced inflammation, reduced risk for stress-fractures, improved neuromuscular function. Risk factors for low vitamin d intake: high latitudes, indoor athletes, dark complexion, high body fat content, aggressive sun blocking, history of stress fractures, sources of vitamin d. Supplement marketing: overseen by federal trade commission, product endorements, athletes, testimonials, claimed scientific research backing, studies/data is unpublished, done in a foreign country, false or untested structure/function claims. Are supplements safe: some are safer than others, good manufacturing practices, look for verification seals. Take home message: vitamin and mineral supplements don t improve performance. What is the best product: match nutrient profile with dietary needs, individual preference, best choice appeals to taste buds, health issues, food philosophy, cost, consume in relation to exercise, not daily snack, more convenience than necessity.
