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Citrulline is a precursor to Arginine and is therefore heavily involved in the Nitric Oxide cycle. Unlike supplemental Arginine, however, Citrulline is not subject to breakdown by the enzyme Arginase and is therefore more effective for increasing circulating Arginine levels than supplemental Arginine.
At this point, Citrulline (usually as Citrulline Malate) has been studied fairly extensively with all the research indicating it is an effective performance enhancer.
Citrulline has also been shown to reduce exercise-induced muscle soreness.
Altius contains 8g dose of Citrulline Malate. Given that the effective range is 6-8g, this can be considered a highly effective dose.
Beta-Alanine is a precursor to the peptide Carnosine which acts as a lactic acid buffer in muscle tissue. This means higher muscle Carnosine levels can increase muscular endurance.
Beta-Alanine is considered the rate-limiting amino acid in the synthesis of Carnosine and supplementation has been shown to significantly increase muscular Carnosine levels, leading to performance enhancement.
Altius contains 3.2g of Beta-Alanine per serving, an effective dose according to various studies.
Creatine is considered one of the most effective and reliable performance enhancing supplements, not mention it is incredibly safe. Specifically, Creatine can increase strength and power as well as favorably influence body composition (more muscle less fat).
Altius contains 3g of Creatine Monohydrate, a moderate dose which may achieve muscle saturation over a long period of time.
Betaine (also known as Trimethylglycine) is the amino acid Glycine with the addition of three methyl groups attached. Betaine is alleged to increase power output and strength by increasing cellular swelling, a phenomenon well established with Creatine supplementation, which can drastically reduce the damaging effect of outside stimuli (such as exercise) on the working muscle. So far, Betaine has been investigated in several human studies, and has had some pretty encouraging results in most.
We discuss the strength/performance implications of Betaine in-depth in this article, but Altius contains an effective dose with regards to increasing strength and power output.
Caffeine is the most widely consumed psychoactive substance in the world, and for good reason: it works! Caffeine can enhance focus, increase perceived energy, cause greater muscle contractions, and encourage fat-oxidation, though individual tolerance tends to vary pretty considerably from person to person.
Altius contains 325mg per serving, a pretty high dose which most people will feel the effects of. Some individuals may choose to start with a half scoop though, depending on sensitivity.
Alpha GPC is the most bioavailable source of Choline. Like many other Choline-sources, it has implications for cognitive enhancement, but is actually the only form shown to increase muscle power output, and with just an acute dose!
Unfortunately, the dose of Alpha GPC present in one serving of Altius is not exactly what you could call “clinical”. Generally speaking, 300-600mg is the recommended dose, but it’s possible that 150mg provides some marginal benefit as well.
BioPerine is the brand name form of Black Pepper Extract which is standardized for Piperine, a compound that can increase the absorption of other nutrients.
THE BOTTOM LINE
Altius contains highly effective clinical doses of almost all key ingredients, with most of the emphasis being on physical performance enhancement as opposed to focus/cognitive-function. That said, the whopping 325mg dose of Caffeine in each serving should be enough to provide the average user with some noticeable energy.
Still don’t know which pre-workout is right for you? Check out our Top 10 Pre-Workout Supplements list for some recommendations.
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