Xtend is a 2-1-1 Blend of Branched Chain Amino Acids together with Glutamine, Citrulline Malate and Vitamin B6 for maximization of training while enhancing recovery.
Scivation's Product Description:
Citrulline malate (CM) is a combination of two compounds that occur naturally in the human body. Malate is an intermediate in the so-called tricarboxylic acid cycle (TCA). ATP, which the body uses as a source of energy, is produced via the TCA when oxygen is abundant. (In reality, no ATP is produced directly from the TCA, although this statement is often heard. Rather, reduced coenzymes, NADH, are used to generate ATP in electron transport chain powered oxidative phosphorylation.) This is so called aerobic energy production.
Tricarboxylic acid cycle (TCA) at a glance. Each kind of major fuel is converted to acetyl groups, which are handled by attachment to a particular coenzyme known as coenzyme A. Ultimately ATP is produced from NADH generated by the TCA.
Malate is dehydrogenated in the TCA cycle to oxaloacetate, the concentration of which is one of the most critical controls of the rate of aerobic ATP production. During prolonged aerobic activity, and in patients suffering from malate deficiency, malate becomes depleted and the TCA is unable to produce ATP fast enough to meet the demands of working muscle. One classic disease characterized by malate deficiency is fibromyalgia. When patients suffering with this disease are given malate, their energy levels improve dramatically (1).
Not only patients suffering from malate deficiency benefit from malate supplementation. As mentioned above, strenuous, prolonged aerobic activity depletes the body’s malate stores. One recent study looked at the effects of CM supplementation in 18 otherwise healthy men who complained of easy fatigability. (2) The subjects were administered 6 gm/day of CM for 15 days. To quote from the results of the study,
"CM ingestion resulted in a significant reduction in the sensation of fat...
Primary Active Ingredients:*
Citrulline Malate
L-Isoleucine
L-Valine
L-Glutamine
L-Leucine
Vitamin B6
Further Information:
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