Nutritional Supplements Flashcards
Natural Health Products Directorate provides Canadians with…
provide Canadians with ready access to a range of NHPs that are safe, effective, & of high quality, while respecting freedom of choice & philosophical & cultural diversity.
Natural Health Products Directorate gives what on successful assessment?
NPN - natural product number
Food & Drug Administration (FDA) has jurisdiction over:
labels
DOES NOT CONTROL SUPPLEMENTS
Federal Trade Commission (FTC) has jurisdiction over:
advertising
(Truthful and not misleading
Adequate substantiation for all objective product claims)
What is United States Pharmacopeia (USP)?
A non-profit organization that establishes & verifies standards for ! quality ! purity ! manufacturing practices ! ingredients
What are the qualifications for a USP-Verification mark?
Test and verify:
listed ingredients, ingredient amounts, contaminants,
metabolism of ingredients, GMP
Prohibited substances
beta-2 agonists
anti-estrogen agents
diuretics and other masking agents
glucocorticosteroids
Beta-2 agonists: action
relaxation of bronchiolar smooth muscle
Anti-estrogen agents: action
blocks conversion of testosterone to estrogen, decreasing estrogen effects
Diuretics and other masking agents: action
conceals use of other substances
Glucocorticosteroids: actions
delays fatigue via increased fat mobilization and utilization
5 prohormone supplements
androstenedione androstenediol 19-nor-4-androstenedione 19-nor-4-androstenediol dehydroepiandrosterone (DHEA)
Caffeine claim vs. scientific evidence.
Claim; increases performance and alertness
Evidence: improves performance in most events, except short high intensity exercises. Increases cognitive functioning during exercise.
Creatine claim vs. scientific evidence.
Claim: improves strength, reduces fatigue, and increases protein synthesis
Evidence: improves performance in single and repeated sprint bouts; improves recovery between bouts; anabolic properties unclear
In slide: provides increased strength, force production and torque
For which type of sport are alkalinizers (sodium bicarbonate and sodium citrate) used?
where maximal exercise is more than 30 seconds to buffer muscle acidity (from lactic acid formation in glycolysis)