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The requested item 00253 is obsolete and has been replaced. The new item is 01253.

Branched Chain Amino Acids

90 capsules, Item# 01253

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Branched Chain Amino Acids
90 capsules
Item Catalog Number:
01253

The branched chain amino acids (BCAAs) L-valine, L-leucine, and L-isoleucine enhance protein synthesis in liver cells and muscle cells. Because they can be oxidized in the cell’s mitochondria, the branched chain amino acids may also provide energy and may serve as fuel sources for skeletal muscles during periods of metabolic stress.1-7 As a result, BCAAs have been used with success to support liver function.8-13 A study in 2008 also showed BCAAs supplementation improved insulin resistance and beta cell function as well as energy metabolism and glucose tolerance in certain people.14,15 They are also used by athletes.2,16-23 A current mouse study showed restoring hippocampal BCAA concentrations to normal had the effect of reinstating normal brain function by helping the synapses to function efficiently.24

They are used by body builders to produce an anabolic effect,25-28 improve mental and physical performance and repair the microtears that are a normal result of exercise.29,30 Branched chain amino acids also reduce perceived exertion and mental fatigue during exercise.31-33

References
1. Arzneimittelforschung. 1998 Mar;48(3):236-9.
2. J Nutr Sci Vitaminol (Tokyo). 2009 Feb;55(1):52-8
3. Int J Sport Nutr Exerc Metab. 2007 Dec;17(6):595-607.
4. Med Sci Sports Exerc. 1998 Jan;30(1):83-91.
5. J Nutr. 2001 Apr;131(4):1171-6.
6. Surgery. 1981 Aug;90(2):237-43.
7. Physiol Res. 2001;50(1):25-33.
8. Clin Gastroenterol Hepatol. 2005 Jul;3(7):705-13.
9. Dig Dis. 2011;29(3):326-32. Epub 2011 Aug 9.
10. Aliment Pharmacol Ther. 2004 Apr 1;19(7):779-88.
11. Nutr Res. 2009 Feb;29(2):89-93.
12. Nutrition. 2007 Feb;23(2):113-20.
13. Intern Med. 1998 May;37(5):429-34
14. Int J Mol Med. 2008 Jul;22(1):105-12.
15. Liver Int. 2007 Nov;27(9): 1287-92
16. Nutrition. 2002 May;18(5):376-9.
17. Amino Acids. 2001;20(1):1-11.
18. Med Sci Sports Exerc. 2000 Jul;32(7):1214-9.
19. J Nutr. 2004 Jun;134(6 Suppl):1583S-1587S.
20. Eur J Appl Physiol Occup Physiol. 1994;69(1):26-31.
21. Chin J Physiol. 2011 Apr 30;54(2):71-8.
22. J Sports Med Phys Fitness. 2011 Mar;51(1):82-8.
23. J Sports Med Phys Fitness. 2008 Sep;48(3):347-51
24. Proc Natl Acad Sci USA. 2010 Jan 5;107(1):366-71
25. Nutrition. 1996 Jul-Aug;12(7-8):485-90.
26. J Nutr. 2004 Jun;134(6 Suppl):1583S-1587S.
27. Eur J Appl Physiol Occup Physiol. 1994;69(1):26-31.
28. Acta Physiol Scand. 1992 Nov;146(3):293-8.
29. J Sports Med Phys Fitness. 2000 Sep;40(3):240-6.
30. Sports Med. 1999 Jun;27(6):347-58.
31.. J Nutr. 2006 Feb;136(2):544S-547S.
32. Int J Sports Med. 2007 Jun;28(6):531-8.
33. J Sports Med Phys Fitness. 2007 Sep;47(3):316-22.
Supplement Facts

Serving Size 4 vegetarian capsules

Servings Per Container about 22

Amount Per Serving

L-Leucine

1200 mg

L-Isoleucine

600 mg

L-Valine

600 mg

Other ingredients: vegetable cellulose (capsule), rice flour.

Dosage and Use
  • To be used by adults 18 years and older. Take four capsules daily with or without food, or as recommended by a healthcare practitioner.
Caution

Individuals with ALS or disorders impairing the metabolism of branched chain amino acids should not use this product.

Warnings

REVIEW SNAPSHOT®

by PowerReviews
Life ExtensionBranched Chain Amino Acids, 90 capsules
 
4.5

(based on 2 reviews)

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Reviewed by 2 customers

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(1 of 1 customers found this review helpful)

 
5.0

Effective on muscles

By Health nut

from Colon, Panama

About Me First Time User, Health Conscious

See all my reviews

Pros

  • Acts Quickly
  • No Side Effects
  • Produces Results
  • Simple To Take

Cons

    Best Uses

    • Daily Use
    • Older People
    • Women

    Comments about Life Extension Branched Chain Amino Acids, 90 capsules:

    I use the it before and after exercise and experience rapid recovery after resistance training.

    Comment on this review

    (3 of 5 customers found this review helpful)

     
    4.0

    Take them daily

    By Yogibikie

    from Marina del Rey

    About Me Competitive Athlete

    Verified Buyer

    Pros

      Cons

        Best Uses

        • Daily Use
        • Post-workout

        Comments about Life Extension Branched Chain Amino Acids, 90 capsules:

        I take them daily post-workout and before bed. As a vegetarian athlete, BCAA's are vital to my muscle recovery.

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