The metabolism of BCAA is involved in some
specific biochemical muscle processes and many studies have been carried out to
understand whether sports performance can be enhanced by a BCAA
supplementation. While most amino acids are broken down in your liver, BCAAs
are broken down primarily in your muscle. As such, they're believed to help
improve exercise performance as well as reduce the breakdown of muscle. However,
many of these researches have failed to confirm this hypothesis. Thus, in
recent years investigators have changed their research target and focused on
the effects of BCAA on the muscle protein matrix and the immune system. BCAA
intake has shown promises to enhance muscle growth in those with low dietary
protein intake and stave off fatigue during prolonged exercise in untrained or
light-trained people. However, many protein sources are naturally rich in BCAA
content; supplementation may be unnecessary for those consuming adequate
quantities of protein.
BCAA which contains leucine, isoleucine,
and valine are the basic building blocks of your muscle protein. Leucine has
been shown to stimulate muscle synthesis. Hard training sessions result in
monstrous damage to your muscles, thus destroying the proteins that make up
your muscle fibers. When compared to ingestion during exercise, it has been suggested
that ingestion of BCAA following a workout exhibited greater effects. BCAA’s
have been proposed to benefit performance in several ways including as a
stimulant for muscle protein synthesis. BCAA may also prevent muscle protein
breakdown and reduce markers of exercise induced muscle damage.
BCAA may perform signal functions, specifically
activation of the mTOR signaling pathway, resulting in positive influences on a
wide variety of metabolic and synthetic functions, including increased protein
translation, improved insulin resistance, increased insulin-independent glucose
transport, and reduced oxidative stress following severe injury and infection.
Another research found that BCAA prevents muscle protein breakdown by sparing
essential amino acids in muscle tissue. BCAA supplementation likely improves
recovery time by diminishing the amount of damage caused during exercise. This
is especially useful for athletes who are in the middle of high volume training
cycles.
BCAAs are found in a number of healthy
protein-rich foods, including organic grass-fed beef, wild Alaskan salmon,
pastured egg yolks, raw grass-fed cheese, quinoa, pumpkin seeds and nuts. One
of the best sources, however, is whey protein concentrate, which has one of the
highest concentrations of leucine. To ensure you're getting a high-quality
product, be sure your whey protein concentrate supplement comes from
organically raised, grass-fed raw cows' milk to ensure the whey is free of
GMOs, pesticides and hormones and is cold processed, as heat destroys whey's
fragile molecular structure.
BCAA supplement is considered a dietary
supplement and perfectly legal to buy. The only concern would be if your
sporting organization considers them a banned substance to use.
BCAA’s are a worthwhile supplement if you are a competitive athlete and/or your
training goals are focused on performance. If your goals are more centered on
health and body composition, BCAA supplementation probably isn’t necessary in
most cases.
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