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UNDER THE MICROSCOPE /// BY DEAN CONNOR BPI BEST BCAA w / ENERGY R eaders of Flex will be no strangers to that feeling of walking through the doors of the gym ready to crush everything that is in sight. The love of the physical game runs deep in the veins, but there are times when that mental and physical energy are just nowhere to be found. Maybe the alarm clock has gone off and you would prefer to just hit that snooze button and roll over, staying in your warm bed thinking “I’ll just go tomorrow.” The thought of pushing those weights, pushing that prowler or that uphill battle of the Stairmaster is simply too tiring. Those missed sessions can add up though, gains lost and that progress you desire to hit road- blocks. The missing ingredient, that which takes your mental attitude and desire to lift to the level where each and every session you feel invincible could be a well-balanced pre-workout product, designed specifically to address all of those issues. There are many on the shelves to choose from, all with different ingredients, amounts, proprietary and desired outcomes. A propri- etary blend will not disclose how much of a particular product is within its serving. It is important to understand the amount the product is providing so that you are truly getting the benefit of the ingredient at a dose suitable to you. Each of ingredients listed in BPI Best BCAAw/energy has included the specific amounts on the label. Let’s put the product under the microscope… Caffeine Caffeine is a powerful stimulant and has been shown to reduce fatigue, improve strength and performance and provide alertness. These benefits are undoubtedly exactly what every person wants. Caffeine blocks adenosine receptors in the 142 FLEX | APRIL 2018 brain, firstly the A1 variant, which when activated promotes sleepiness. By blocking it, caffeine can therefore exert its effect on increasing alertness. Secondly, by blocking the A2A receptor, there is a positive effect mood by increasing levels of dopa- mine. Caffeine has also been shown to increase power output which is beneficial for both resistance training and anaerobic training, the dose for this effect however is dependent upon body size and sensitivity to caffeine. Finally, caffeine has a positive effect on thermo- genesis, helping fatty acids to be released through its impact on cyclic adenosine monophosphate (cAMP) Alpha GPC Alpha GPC (Alpha-glycerophospho- choline) as its name suggests is a choline containing product. It works through the production of a key neurotransmitter acetylcholine. Its role is mental clarity, the formation of synaptic connections between neurons and enhances memory. As well as its brain boosting properties, alpha GPC has also been shown to have a positive influence on power output. Tyrosine L-Ty