TSI USA Inc

Testimonials

Erin Stern

"(With PEAK ATP) I feel that I have increased power output and don't feel jittery or lightheaded."

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Erin Stern, IFBB Figure Pro/USATF Competitor
Nick Weite

During training for the 2014 USAPL Nationals I came across Peak 400 (PEAK ATP) and was pleasantly surprised to find it cut down my fatigue levels during training. 

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Nick Weite, Powerlifter
Sergey Cherednichenko

"What I noticed when using this supplement (PEAK ATP) is the high performance of my training..."

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Sergey Cherednichenko, Personal/Fitness Trainer
Jada Kelly

"With PEAK ATP, I feel like I can push just a little harder and I also feel like my rest between sets is a little bit shorter.”

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Jada Kelly, Fitness Coach and Trainer
Kendall Schmidt

"After a few weeks of my PEAK ATP trial, I noticed several changes in my performance..."

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Kendall Schmidt, NPC Bikini Competitor/Fitness Model
Bryan Dermody

"PEAK ATP delivers real results and immediately..."

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Bryan Dermody, Powerlifter/Strength Athlete
Carissa Johnson

“PEAK ATP is one of the few supplements I believe in..."

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Carissa Johnson, WBFF Pro/Fitness Model
Jason Kaiman

“After using PEAK ATP for about 3 weeks, I have already begun to notice changes in my workouts..."

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Jason Kaiman, NGA Pro Bodybuilder
Danyelle Mastarone

“PEAK ATP gives me the extra push I need for high endurance workouts rather than relying on caffeine...."

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Danyelle Mastarone, NPC Figure Competitor
Sam Dancer

"Peak ATP has successfully provided me with that tool and played a huge role in my ability to maintain my composition, maximize my power output and reduce the time that it would normally take for me to recover from the most intense of workouts..."

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Sam Dancer, CrossFit Competitor
Tim Nassen

"since adding PEAK ATP to my pre-workout routine I have increased my muscular strength and endurance in the gym..."

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Tim Nassen, Master's Bodybuilder/Former Strongman
Jared Enderton

“Peak ATP helped improve my endurance throughout workouts a LOT..."

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Jared Enderton, Olympic Weightlifter
Jennifer Dietrick

"With the use of Peak ATP, I experience much higher energy levels and an increased training capacity..."

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Jennifer Dietrick, IFBB Pro/Martial Artist
Chad Shaw

"Overall, I would say that Peak ATP definitely has merit and I would certainly use this product again in the future!”

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Chad Shaw, Natural Bodybuilder
Philita Wheeler

"I started using Peak ATP during my figure prep. It gave my body the extra endurance for an additional 15-20 minutes to add cardio onto the end of an already tough workout...”

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Philita Wheeler, Figure Competitor
Spenser Remick

“Since taking PEAK ATP, I have felt a definite difference in the speed of my lifts towards the end of high rep sets..."

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Spenser Remick, Strongman
Josh Englehart

"PEAK ATP is a product that delivers what it claims..."

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Josh Englehart, Fitness Model
Steve Poynter

"Since I began PEAK ATP I have noticed my workouts have significantly got more intense with strength gains..."

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Steve Poynter, Personal Trainer/Bodybuilder
Tate Fisher

(With PEAK ATP) "I also noticed a significant improvement in my muscular endurance and recovery rate as I have been able to do more repetitions at higher weights in the majority of my lifts..."

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Tate Fisher, CrossFit Coach/Athlete

"Taking PEAK ATP prior to my workout allows me to be prepared to perform from the time my workout starts until the end..."

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Eric Todd, Strength Athlete

"After putting it (PEAK ATP) into my routine my energy levels have been boosted which in turn overhauled the intensity of my workouts..."

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David Douglas, Powerlifter
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