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6/24/2017

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What are branched chain amino acids?

The branched-chain amino acids (BCAAs) are leucine, isoleucine, and valine. BCAAs are considered essential amino acids because human beings cannot produce these amino acids and must be present in the diet.

What foods contain the essential branched chain aminos? Dairy products and red meat contain the greatest amounts of BCAAs, although they are present in all protein-containing foods. Whey protein and egg protein supplements are other sources of BCAAs. BCAA supplements provide the amino acids leucine, isoleucine, and valine. Who use them as a supplement? Some athletes say that branched-chain amino acids help improve strength training results, helps improve endurance. What do the advocates say? A good deal of research has been done on branched-chain amino acids (BCAAs) in athletes. BCAAs do not seem to enhance training benefits or exercise performance in most situations. Some athletes, however, may experience increased mental clarity during exercise or may be less susceptible to infections caused by the stress of exercise. Performance under extreme conditions, such as high altitude or heat, may also be improved with BCAAs. What are the typical doses? Some research has shown that supplemental BCAAs (typically 10 to 20 grams per day) do not result in meaningful changes in body composition,1 nor do they improve exercise performance or enhance the effects of physical training. However, BCAA supplementation may be useful in special situations, such as preventing muscle loss at high altitudes and prolonging endurance performance in the heat. One controlled study gave triathletes 6 grams per day of BCAA for one month before a competition, then 3 grams per day from the day of competition until a week following. Compared with a placebo, BCAAs restored depleted glutamine stores and immune factors that occur in elite athletes, and led to a reported one-third fewer symptoms of infection during the period of supplementation. Studies by one group of researchers suggest that BCAA supplementation may also improve exercise-induced declines in some aspects of mental functioning. What are the possible side effects or interactions? Side effects have not been reported with the use of BCAAs. People with kidney or liver disease should not consume high amounts of amino acids without consulting their doctor. The breakdown of these amino acids starts with two common steps, catalyzed by enzyme complex capable of acting on all three amino acids: transamination by branched-chain amino acid aminotransferase, and oxidative decarboxylation by branched-chain ketoacid dehydrogenase. Isovaleryl-CoA is produced from leucine by these two reactions, alpha-methylbutyryl-CoA from isoleucine, and isobutyryl-CoA from valine. Under fasting conditions, substantial amounts of all three amino acids are generated by protein breakdown. In muscle, the final products of leucine, isoleucine, and valine catabolism can be fully oxidized via the citric acid cycle; in liver they can be directed toward the synthesis of ketone bodies (acetoacetate and acetyl-CoA) and glucose (succinyl-CoA). Severe single bouts of exercise and prolonged periods of heavy-duty training can increase the risk of illness in athletes. The mechanism underlying this has been hotly debated, with some scientists suggesting that the apparent immunosuppression associated with rugged exertion is linked with documented, training-induced decreases in levels of plasma glutamine. Blood concentrations of glutamine, an important substrate for cells of the immune system, can be increased by supplementing the diet with branched chain amino acids (BCAAs). Recent study suggests that branched chain amino acids supplementation can reverse the reduction in plasma glutamine concentrations observed after prolonged intense exercise, improve immune responses during periods of strenuous exercise, and reduce the frequency of illness associated with hard training and competition.

30ways30days.com

30ways30days.com

Super Amino 18 tm Muscle Growth & Endurance Amino Acids Pharmaceutical Grade Super Amino Acid Complex casein. This is a high-tech, anabolic formula containing branched chain amino acids (l-leucine, L-valine,L-isoleucine) which are metabolized in the muscles and stimulate L-Alanine production. Developed for Bodybuilders, Triathletes for muscle endurance & fitness enthusiasts, but perfect for anyone wanting to increase muscle growth. Provides the natural amino acids nutrients needed for muscles to build to maximum growth levels, and keeps minerals and salts in balance during strenuous muscle endurance workouts. Speeds your body’s ability to repair and heal after workouts allowing you to go that extra step during each training session. Now, get the most out of your next workout and improve your muscle endurance while training. SUPER AMINO 18 tm RAPID MUSCLE GROWTH FORMULA Amino Acid Complex Gym Members Bodybuilders & Fitness Models Triathletes Fitness Enthusiasts Nutrition Facts Serving Size 10 Tabs Servings Per Container 50 (500 count size) Amount Per Serving Calories 60 Calories from Fat 0 % Daily Values* Total Fat 0 gr. 0 Saturated Fat 0 gr. 0% Cholesterol less than 0 0 Sodium mg. % Potassium 50 mg. Total Carbohydrates 0 gr. 0 Dietary Fiber. 0% Sugars 0 gr. 0% Protein 12 gr. 20% L-Glutamic Acid 2460 mg L-Proline 1284 mg Aspartic Acid 672 mg L-Serine 660 mg L-Tyrosine 660 mg L-Arginine 432 mg L-Alanine 324 mg L-Histidine 312 mg L-Glycine 216 mg Isoleucine* 684 mg Leucine* 1056 mg Lysine* 852 mg Methionine* 348 mg Cystine* 256 mg Phenylalanine* 600 mg Threonine* 468 mg Tryptophan* 120 mg Valine* 768 mg * Percent Daily Values are based on a 2,000 calorie diet. Click for: SUPER AMINO 18 tm RAPID MUSCLE GROWTH FORMULA UNIQUE RAPID MUSCLE GROWTH FORMULA INHIBITS USE OF MUSCLE FOR ENERGY Ideal for GYM MEMBERS, BODY BUILDERS, MODELS STRENGTHENS IMMUNE SYSTEM ADDED ELECTROLYTES Improves MUSCLE ENDURANCE Lessens RECOVERY TIME BENEFITS OF USE: Super Amino 18 tm is a complex blend of specific amino acids which promote rapid muscle growth, inhibits use of muscle for energy, strengthens immune system, and facilitates use of fat for energy. Contains added electrolytes for mineral/salt balance during endurance workouts. Promotes rapid muscle growth Inhibits use of muscle for energy Strengthens the immune system Facilitates use of fat for energy. Improves Muscle Endurance. Increases Muscle Recovery. It also contains electrolytes for mineral/salt balance during endurance workouts. A tradmarked blend of branched chain amino acids which are metabolized in the muscles and inhibit the catabolism (breakdown) of lean muscle mass during periods of heavy training or caloric restriction. RESEARCH & STUDIES: There are numerous studies covering the positive benefits and importance of amino acids to proper body functioning and optimized health. DOSES & DIRECTIONS: Adults should take 10 capsules per day or as directed by physician. Related using the H&F.com Search: ASTRONAUTS LOSE MUSCLE POWER IN FLIGHT SQUAT STANCE INFLUENCES SOME MUSCLE ACTIVATION AGING AFFECTS SOME MUSCLE FUNCTIONS EXERCISE MAINTAINS MUSCLE IN DIETERS AGING AFFECTS SOME MUSCLE FUNCTIONS Rapid Muscle Growth Amino Acid Complex -Product l Glutamine brain & muscle food -Products Bodybuilding Gain Muscle Mass Nutrition-Products Creatine Monohydrate Gain Muscle Mass -Product BodyBuilder & Models Rapid Muscles -Specials Sale out of shape, much less muscle than ever -Advice EAT RIGHT TO BUILD MUSCLE VITAMIN D MAY HELP MUSCLES 100% Creatine Monohydrate Muscle Powder -Product Weight Gain BodyBuilders Muscle Mass-Product Electronic Muscle Stimulation really work? turn my body into lean muscle Stretching May Help Heal Muscle Strain Genetics and Environment Contribute to Muscles FAT BURNER AMINO ACIDS Nite Time Rapid Muscle Growth Amino Acid Complex -Product *These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure or prevent any disease [ Articles]   [ FAQ's]  [News]   [ Resources]  [ Reviews]  [ Shopping]   Web HEALTHandFITNESS.com Free Vitamins Offer Sponsored By: Privacy Policy -- ©1997-2010 cDp, All Rights Reserved --Disclaimer