• Join Us!
  • Bcaa Info
  • Bcaa Info
  • Bcaa Info
  • Bcaa Info
  • Bcaa Info
  • Bcaa Info
  • Join Us!

  • Get the Fitness Geared Forum App Now!
  • Bcaa Info
  • Bcaa Info


  • Join Us!
  • Bcaa Info
  • Bcaa Info
  • Bcaa Info
  • Bcaa Info
  • Bcaa Info
  • Bcaa Info
  • Join Us!
  • You have 1 new Private Message Attention Guest, if you are not a member of Fitness Geared - Body Building & Fitness Community, you have 1 new private message waiting, to view it you must fill out this form.
  • Amused
  • Angry
  • Annoyed
  • Awesome
  • Bemused
  • Cocky
  • Cool
  • Crazy
  • Crying
  • Depressed
  • Down
  • Drunk
  • Embarrased
  • Enraged
  • Friendly
  • Geeky
  • Godly
  • Happy
  • Hateful
  • Hungry
  • Innocent
  • Meh
  • Piratey
  • Poorly
  • Sad
  • Secret
  • Shy
  • Sneaky
  • Tired
  • Wtf
  • Thanks Thanks:  0
    Likes Likes:  0
    Dislikes Dislikes:  0
    Results 1 to 2 of 2

    Thread: Bcaa Info

    1. #1
      FUZO's Avatar
      FUZO is offline FUZO
      Points: 809,703, Level: 100
      Level completed: 0%, Points required for next Level: 0
      Overall activity: 0%
      Awards:
      Posting Award
      This user has no status.
       
      I am:
      Cool
       
      Join Date
      Mar 2003
      Location
      PLANET FUZO
      Posts
      53,966
      Points
      809,703
      Level
      100
      Blog Entries
      822
      Rep Power
      1643

      Default Bcaa Info



      • Get the Fitness Geared
        Forum App Now!
      • Bcaa Info
      • Bcaa Info

      • Bcaa Info
      • Bcaa Info
      • Bcaa Info
      • Bcaa Info
      • Bcaa Info
      • Bcaa Info
      Bcaa Info
      bcaa info, saw this article good read
      IMG_20171207_004004_114.jpg

      BCAAs prevent protein breakdown, but do not increase protein synthesis.
      -Since 1978 a variety of studies have been performed in humans where BCAAs or leucine alone was administrated in varying amounts and durations. An anabolic effect of leucine and the branched-chain amino acids (BCAAs) on reduction of muscle protein breakdown was found in these studies, with no measured effect upon muscle protein synthesis. In addition, no untoward effects have been reported in any of these studies from infusion of the BCAAs at upward 3 times basal flux or 6 times normal dietary intake during the fed portion of the day (B1).
      -BCAA infusion in 10 postabsorptive normal subjects causes a 4-fold rise in arterial BCAA levels. Plasma insulin levels were unchanged from basal levels. Whole-body phenylalanine flux, an index of proteolysis, was significantly suppressed by BCAA infusion. Despite the rise in whole-body non-oxidative leucine disposal, and in forearm leucine uptake and disposal, forearm phenylalanine disposal, an index of muscle protein synthesis, was not stimulated by infusion of branched-chain amino acids (B2).
      -Short-term (3 to 4 hours) infusion of branched-chain amino acids (BCAA) has been shown to suppress muscle protein breakdown.
      An overnight (16-hour) systemic BCAA infusion in 8 subjects increases plasma BCAA concentrations by fivefold to eightfold, and this was associated with a 20% to 60% decline in arterial concentrations of other amino acids.
      In the forearm, overnight BCAA infusion resulted in a diminished net release of Phe (-3 +/- 2 v -18 +/- 4 [saline] nmol/min/100 mL, P < .02), and BCAA balance became markedly positive (751 +/- 93 v -75 +/- 30, P < .001) (B4).
      -BCAA infusion in 10 postabsorptive normal subjects does not change plasma insulin levels. Skeletal muscle proteolysis was suppressed in the absense of any apparent increase in muscle protein synthesis (B5).
      -In humans, infusion of BCAA alone slows skeletal muscle protein degradation, but does not increase protein synthesis. This is perhaps not surprising, as the BCAA also inhibit whole body protein degradation and thereby decrease the arterial concentrations of other essential and nonessential amino acids. This decline may blunt any effect of infused BCAA on protein synthesis by limiting substrate availability and/or interfering with nutrient signaling by other amino acids.
      BCAA stimulate the phosphorylation of eIF4E-BP1 and p70S6K involved in activating the mRNA translation apparatus. These results demonstrate that the cellular pathways that regulate translation initiation are, in fact, stimulated by BCAA in humans and suggest a potentially significant anabolic signaling role for BCAA in increasing mRNA translation and protein synthesis. This occurs with increments of circulating BCAA like those seen postprandially, suggesting that this is a normal physiological response.
      After a 12 h overnight fast 7 healthy volunteers were adminitered a BCAA infusion for 6 h. Insulin concentrations did not significantly change. BCAA infusion significantly improved forearm phenylalanine balance in control subjects at 6 h (Fig. 4A), although, as we previously reported, it did not increase phenylalanine Rd (B6).
      -BCAAs during 1h cycle exercise and a 2h recovery period does not influence the rate of exchange of the aromatic AAs during exercise. In the recovery period, a faster decrease in the muscle concentration of aromatic AAs was found (46% compared with 25% in the placebo condition). There was also a tendency to a smaller release (an average of 32%) of these amino acids from the legs. The results suggest that BCAA have a protein-sparing effect during the recovery after exercise (E5)
      -7.5-12 g BCAAs during intense exercise (a 30 km cross-country race and a full marathon) increases BCAA plasma and muscle concentration. In the placebo group plasma BCAA decreased and left muscle levels unchanged. The placebo group showed a 20-40% increase in the muscle concentration of aromatic AAs. BCAA supplementation prevented this increase in aromatic AAs in both muscle and plasma. These results suggest that an intake of BCAAs during exercise can prevent or decrease the net rate of protein degradation caused by heavy exercise (E8).
      -Consumption of BCAA (30 to 35% leucine) before or during endurance exercise may prevent or decrease the net rate of protein degradation, may improve both mental and physical performance and may have a sparing effect on muscle glycogen degradation and depletion of muscle glycogen stores (E14).
      -77 mg BCAAs/kg supplementation before exercise resulted in a doubling (P < 0.05) of the arterial BCAA levels before exercise (339 +/- 15 vs. 822 +/- 86 microM). During the 60 min of exercise, the total release of BCAA was 68 +/- 93 vs. 816 +/- 198 mumol/kg (P < 0.05) for the BCAA and control trials, respectively. Furthermore, the increased intramuscular and arterial BCAA levels before and during exercise result in a suppression of endogenous muscle protein breakdown during exercise.(E105).
      -BCAA activate mRNA translation initiation, but without the anticipated increase in protein synthesis. One possible explanation for this apparent discrepancy is that BCAA inhibit proteolysis and thereby decrease the arterial concentrations of other AA (P4).
      Disclaimer: Steroid use is illegal in a vast number of countries around the world. This is not without reason. Steroids should only be used when prescribed by your doctor and under close supervision. Steroid use is not to be taken lightly and we do not in any way endorse or approve of illegal drug use. The information is provided on the same basis as all the other information on this site, as informational/entertainment value.

      Please take the time to read these threads!

      Fitness Geared Shoutbox rules

      FG member signature rules

      Fitness Geared Forum Rules

      https://www.fitnessgeared.com/forum/f334/

      https://www.fitnessgeared.com/forum/f283/

      https://www.tgbsupplements.com/

    2. #2
      BABY1's Avatar
      BABY1 is offline Mrs FUZO
      Points: 341,474, Level: 100
      Level completed: 0%, Points required for next Level: 0
      Overall activity: 0%
      Awards:
      Blog Award
      is is planting seeds
       
      I am:
      Happy
       
      Join Date
      Oct 2003
      Location
      the Woods
      Posts
      29,908
      Points
      341,474
      Level
      100
      Blog Entries
      559
      Rep Power
      644

      Default Re: Bcaa Info

      • Get the Fitness Geared
        Forum App Now!
      • Bcaa Info
      • Bcaa Info

      • Bcaa Info
      • Bcaa Info
      • Bcaa Info
      • Bcaa Info
      • Bcaa Info
      • Bcaa Info
      good read
      Veritas Vos Liberabit

    Tags for this Thread

    Posting Permissions

    • You may not post new threads
    • You may not post replies
    • You may not post attachments
    • You may not edit your posts
    •  
    Pro Wrists Straps
    Join us
    About us
    www.Fitnessgeared.com is a Bodybuilding Fitness health & Training Discussion forum for all levels from beginner to advanced. We offer everything from Nutrition, Supplements, Fat Loss, Weight Training, Dieting, to achieve your goals to get in the shape you want.