Abstract
Background: Chronic oral ATP supplementation benefits cardiovascular health, muscular performance, body composition, and recovery while attenuating muscle breakdown and fatigue. A single 400 mg dose of oral ATP supplementation improved lower body resistance training performance and energy expenditure in recreational resistance trained males, however, the minimal effective dose is currently unknown.Materials and Methods: Twenty recreationally trained men (age 28.6 ± 1.0 years, body mass 81.2 ± 2.0 kg, height 175.2 ± 1.4 cm, 1RM 141.5 ± 5.0 kg) consumed a single dose of either 400 mg, 200 mg, or 100 mg ATP (PEAK ATP®, TSI USA LLC, Missoula, MT, USA) or a placebo in a randomized, placebo-controlled crossover design, separated by a one week wash out between treatments. After warm-up, participants performed 4 sets of half-squats using free-weights until movement failure separated by 2 mins of rest between sets.Results: In comparison to placebo, 400 mg ATP significantly increased the number of set 1 repetitions (+13%, p = 0.04), and numerically increased total repetitions (+7%, p = 0.19) and total weight lifted (+6%, p = 0.22). 200 mg ATP numerically increased set 1 repetitions (+4% p = 0.47), while 100 mg ATP showed no improvements over placebo. 100 mg ATP (−4%, p < 0.05) and 400 mg ATP (−4%, p = 0.11) decreased the perceived rate of exertion compared to placebo.Conclusions: In this study, the effective minimal dose of acute oral ATP supplementation during resistance exercise to increase performance was determined to be 400 mg, while as little as 100 mg showed improvements in perceived exertion.
Highlights
All living cells use adenosine triphosphate (ATP) as a source of energy
ATP plays a crucial role in muscle health (Jäger et al, 2021), and supplementation with ATP may improve athletic performance through increasing blood flow to the exercising muscle (Jäger et al, 2014), providing needed nutrients, and reducing fatigue
The total number of repetitions performed was recorded for each set and was used to analyze performance and the rate of perceived exertion was measured at the end of each session of exercise using the OMNI Perceived
Summary
All living cells use adenosine triphosphate (ATP) as a source of energy. This universal energy currency is driving the biological reactions that allow cells to function and life to exist. ATP plays a crucial role in muscle health (Jäger et al, 2021), and supplementation with ATP may improve athletic performance through increasing blood flow to the exercising muscle (Jäger et al, 2014), providing needed nutrients, and reducing fatigue. A single 400 mg dose of oral ATP supplementation improved lower body resistance training performance and energy expenditure in recreational resistance trained males, the minimal effective dose is currently unknown
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