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Xtend is
a precise, scientific blend of Energy Aminos consisting of the proven
2:1:1 ratio of Branched Chain Amino Acids (L-Leucine, L-Isoleucine and
L-Valine), Glutamine, Citrulline Malate, and Vitamin B6 that will give
you the energy you need to maximize your training while enhancing recovery
at the same time. The advanced components in Xtend have been scientifically
proven to help speed recovery and enhance ATP production and promote cell
volumization. Avoid fatigue by blocking entry of fatigue-inducing tryptophan
into the brain. Increase protein synthesis, immune function and digestive
health. Promote vasodilation which can lead to better assimilation and
absorption of protein. Elevate growth hormone levels.
What is
Xtend?
Xtend
is a precise, scientific blend of “Energy Aminos” consisting
of the proven 2:1:1 ratio of Branched Chain Amino Acids (L-Leucine, L-Isoleucine
and L-Valine), Glutamine, Citrulline Malate, and Vitamin B6.
If I already
eat a lot of protein, will additional free-form BCAA be beneficial to
me?
The
metabolic effects seen from ingesting free-form amino acids are different
from ingesting the same amino acids when they are in a whole protein (peptide
bond). The rapid flushing of the system with the particular amino acid
exerts a much more powerful activation of its target pathways. For example,
if you were to ingest 5 grams of free-form arginine pre-workout you would
notice a greater pump then without it. If you were to ingest 5 grams of
arginine in the form of a whole protein (1) you’d have to eat a ton
of protein to acquire the 5 grams of arginine and (2) the rate of delivery
would be much slower and (3) you would not be flooding your system with
a large dose of arginine at one time. The same holds true for BCAA. Ingesting
10 grams of BCAA will lead to greater activation of mTOR, PI3K, etc.*
than ingesting 10 grams of BCAA from a whole protein.
I have
heard one can get the same effects from taking Leucine alone as from taking
all 3 BCAA, is this true?
Due
to leucine's metabolic properties, many people focus solely on leucine
and not the other two BCAAs, valine and isoleucine. Research has shown
that leucine-rich diets or administration of leucine alone lead to decreases
in valine and isoleucine plasma concentrations and a BCAA imbalance (Shirmomura
et al., 2004). While it may be cheaper to supplement with leucine alone
instead of all three BCAA, one should supplement with all three BCAA so
not to create a BCAA imbalance.
Isoleucine
and Valine also has some interesting properties of their own, separate
from leucine. Isoleucine has been shown to increase glucose intake via
PI3K activation, one of the same pathways leucine uses, but independently
of the mTOR pathway (Doi et al., 2003). Valine has been shown to reduce
fatty acid synthase in adipocytes by 40%, which will lead to less fat
storage (Taylor & Halperin, 1975).
Can women
take Xtend?
Yes.
Xtend is very effective for both men and women.
Directions:
Mix 2 level scoops (11.29 grams) in 16 ounces of water and shake well.
Depending on bodyweight, split the following dose before and during
your workout:
<160
lbs: 2 scoops
160-180 lbs: 4 scoops
>180 lbs: 6 scoops
Regardless
of bodyweight, consume 1 serving (2 scoops) immediately post-workout.
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