NEW
RESEARCH SHOWS HOW TO BOOST GROWTH HORMONE
Kent Fischer - 13 Jan 2009
Most bodybuilders understand the important role growth
hormone (GH) plays in building strength and muscle mass. GH stimulates an increase in
muscle protein synthesis and joint cartilage production, amino acid uptake by cells, and the use of
fat for fuel. For optimum training results, natural production of
GH must be at its peak.
Most bodybuilders don’t know this peptide hormone circulates in multiple molecular forms, only some
of which are biologically active. Only a small
fraction of GH produced actually exerts the biological effects that bodybuilders are
after.
There is the intact
immune-reactive form of GH (irGH). The immuno-functional GH (ifGH) represents the fraction
of ir GH thatcontains these all-important binding
domains; this is thefraction of GH
that is biologically active.
In men, the bulk of bioactive
GH (ifGH) secretion occurs at night. Studies show daytime production appears to
be low. If we have a way
to boost the level of bioactive GH during the
day, it may provide faster muscle
growth andmore effective fat
loss.
Studies in the past have shown that both intense aerobic and resistance exercise stimulates GH
secretion. The problem: scientists are not sure how much of the GH is the
bioactive form.
A new study has shown how bodybuilders can increase their bioactive GH levels every time they
train. For a really great guide to fast muscle building training click
on No Nonsense Musclebuilding.
11 males participated in
four experimental trials; two resting and two exercising. The bouts of exercise were
short, fairly intense weight lifting workouts. Each trial was separated by one week.
Just before each trial began, the men were given 3
grams of GABA or a placebo. Blood samples were taken and analyzed for ifGH up to 90
minutes after the dose.
GABA (Gamma Aminobutyric
Acid), is an amino acid classified as a neurotransmitter. As a supplement, GABA has been
shown in clinical trials to be
remarkably consistent at elevating blood GH
levels. In some cases by over
500%!. Though GABA is an effective GH-booster and, intense exercise spikes GH
production during the day, no studies had examined the
combined effect of taking GABA before an intense bout of exercise such as weight
training.
Results:
At rest, a 3 gram dose of GABA
elevated both GH and ifGH compared with a placebo. Specifically, peak concentrations of
both hormones were elevated consistently, 375% above normal
levels. That’s a consistent 375% in bioactive GH simply from taking GABA.
Weight training elevated both GH and its bioactive form significantly. The
combination of GABA supplementation and weight training
elevated both GH and ifGH concentrations around 175% greater than exercise
alone.
So, exercise boosts the
production of bioactive GH but taking GABA before exercise enhances this response,
greatly.
GABA ingestion did not alter the ratio of bioactive ifGH to regular GH under all
study conditions. Interestingly, ifGH represents approximately half (50%) of the irGH fraction.
The most important aspect of the study, was the level of control and quality of
data. No one directly involved in
the study knew who was getting
what, and every participant was
assessed under all 4 conditions; at rest (a does of GABA and placebo) and exercise (after a dose of GABA and the
placebo). These procedures ensure that the data obtained is about as good as it gets.
WHAT THIS RESEARCH MEANS TO YOU
GABA can be used to boost the natural production of bioactive GH during
the day when production is low.
Secondly,when training
intensely you can be assured of a spike in bioactive GH. If you want to increase GH take a dose of GABA before each
workout. The study shows you will experience a significantly greater increase in bioactive
GH, than just exercising.
One final thing. In this study, subjects were given the supplement first thing in the morning, on an empty
stomach. To ensure best GH
response, bodybuilders should take their dose of GABA first thing in the morning, as soon as you open your
eyes. When performing your morning workout, you can be assured of an optimum GH
response from training.
For really fast muscle gains click on No Nonsense
Musclebuilding.
1. Powers ME, Yarrow JF, McCoy SC, Borst SE, Growth hormone isoform responses to GABA
ingestion at rest and after exercise. Med Sci Sports Exerc. 40, 104-10, 2008
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