BCAAs
(leucine, isoleucine and valine) are the largest collection of amino acids in
the body (35% of muscle protein) which are all essential but not produced by
the body but are necessary for survival. In intensive exercise routines, they
are needed as BCAA supplement.
Today,
BCAAs are mainly used by body builders and some athletes mainly for exercise
purposes. They are used for increasing energy, and to boost the protein
synthesis mainly with leucine.
Muscle loss
The
acids have been found to be useful in gaining back skeletal muscles and in the
maintenance of muscle mass lost in the intense exercise routines by
bodybuilders mostly. In some parts, they are also used to protect the muscles
with the catabolic effects of dieting.
Dieting
is a catabolic process that leads to muscle breakdown, resulting in skeletal
muscle loss. This makes the body try harder to hold on to its store of fat.
Finally, it turns onto the muscles to satisfy its energy needs.
Muscle
loss happens when the body increases protein breakdown to liberate the amino
acids in the muscles for use as fuel in the body’s metabolic processes. If the
rate of synthesis is the same as the rate of breakdown (happening in intensive
exercises), there might not be muscle loss. However, there is no gain either.
Synthesis
Working
as essential amino acids, the BCAAs stimulate muscle protein synthesis. This is
more than the regular protein synthesis. Protein synthesis is the metabolic
process when the body makes new muscles protein. (These are known as gains in
body-building circles.)
With
the increase of BCAA levels, there is also a reduction in the rate of protein
breakdown. This decreases the several processes involved in the breakdown of
proteins. The increase of synthesis and the decrease of the breakdown results
in the muscle gain, or at least maintaining it.
Benefits
With
BCAA as supplement, you could get a more intense workout. BCAA competes with
the amino acid tryptophan for entry into the brain where tryptophan is
converted into the neurotransmitter serotonin. During exercise routines,
serotonin levels can rise. They can make you feel more fatigued and can suppress
the urge to try harder.
BCAA
can reduce the amount of tryptophan that gets through the blood-brain barrier.
This effectively reduces the amount of serotonin produced. This can make you
work harder, longer and consequently get more gains.
Supplement
The
BCAA in whey are liberated through digestion to be absorbed into the
bloodstream. This would need some time to have the acids broken down to be
absorbed into the plasma.
BCAA
in supplement forms are free-form and require no digestion and are rapidly absorbed
into the bloodstream. They begin working immediately.
Glucose regulation
BCAA
has an important role in regulating glucose. Continuously released from the
liver to the skeletal muscles, glucose helps maintain blood sugar levels. Amino
acids in the body help improve glucose uptake and insulin sensitivity in
healthy people.
Exercise
leads to amino acid use, and the BCAA supplement immediately supply the amino
acids needed in the blood sugar production during workouts.
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