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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. Sounds good.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.What if I already take in a lot of whey protein which is high in BCAA?Free-form amino acids are absorbed quicker than whey, and as stated above, whey will not flood your bloodstream with BCAA as quick as ingesting free-form BCAA.
The BCAA from whey compared to free-form BCAA could be compared to filling up a glass of water from a garden hose (whey) to a faucet (free-form BCAA). If you use a garden hose you have to wait until the water travels the length of the hose before you can use it. With a faucet, the water is right there when you turn it on. On top of this, the faucet has a wider opening than the garden hose and releases more water than the garden hose.
During your workout and times of stress (dieting), you want the BCAA to get to your muscles as quickly as possible.Can women take Xtend?
Yes. Xtend is very effective for both men and women.Can I stack Xtend with VasoCharge?Yes. We highly recommend taking 2 scoops of VasoCharge + 2 scoops of Xtend pre-workout and then sipping on 4-8 scoops of Xtend during your workout.
What Other Supplements Can I Combine with Xtend for Enhanced Results?
The Mammalian Target of Rapamycin (mTOR) is one of the body's protein synthesis regulators. mTOR functions as an energy sensor; it is activated when ATP levels are high and blocked when ATP levels are decreased (AMPK is activated when ATP decreases, which works antagonistically to mTOR).The main energy-consuming process in the cell is protein synthesis.
When mTOR is activated (high ATP levels sensed) protein synthesis is increased and when mTOR is suppressed (low ATP levels are sensed) protein synthesis is blunted.MTOR activation is vital for skeletal muscle hypertrophy. Interestingly, mTOR is also a nutrient sensor of amino acid availability, specifically of leucine availability.
Research has shown that regulation of mTOR by ATP and amino acids act independently through separate mechanisms (Dennis et al., 2001).It is my belief that combining supplements that increase/elevate ATP levels with BCAA will lead to an increased activation of mTOR, and therefore protein synthesis. Our goal is to keep ATP levels elevated while working out. To do so, we must supply the needed nutrients and substrates before and after the workout to keep ATP levels elevated and our bodies primed for growth.
Creatine is used in the high-energy phosphate or ATP-PCr system to regenerate ATP. ATP, the body's main source of energy, is a molecule of adenosine (adenine + the sugar ribose) linked to three phosphate molecules by high-energy bonds. Breaking of the two outer bonds results in the release of energy.When the most outer bond is broken, the energy is released and ADP and Pi are left behind. Creatine, which is bonded to a phosphate ion, transfers energy to the ADP and Pi molecule by breaking its own bond.
This regenerates the ATP molecule, which means one now has more energy to use.Skeletal muscle has a limited storage of creatine. Therefore supplementing with creatine increases your ability to form ATP and therefore increases the available energy for exercise (Casey et al. 1996 & 2000). More importantly to our topic on hand, by keeping ATP levels by supplementing with creatine we increase protein synthesis through mTOR activation. Creatine also has many other beneficial effects that are to numerous to address here.Nitric Oxide (NO) product (Arginine, DiArginine-Malate, AAKG, etc)
The rate-limiting step of amino acid uptake into skeletal muscle is the transportation of the amino acids through the blood to the skeletal muscle, which is governed by blood flow (Wolfe, 2004). NO vasodilates blood vessels, thereby increasing blood flow. This increase when combined with exercises means greater blood flow and greater amino acid deliver and uptake in the working skeletal muscle.
Exercise itself results in an increase in NO production, and the increased blood flow created by exercise is believed to be linked to the increase in protein synthesis post workout (Douglas et al., 2004). Xtend already has Citrulline-Malate in it, which will increase NO production, but an additional serving of arginine (i.e. 5 grams) preworkout should further enhance NO production, blood flow, and amino acid uptake