Sustamine® L-Alanyl-L-Glutamine is clinically tested

Sustamine® has been shown to support hydration which may support exercise performance.* Sustamine® has also been shown to protect the integrity of the gastrointestinal tract and help stimulate the immune system to suport immune health.*


Examination of the efficacy of acute Sustamine® L-Alanyl-L-Glutamine during Hydration Stress in Endurance Exercise

Hoffman JR, Ratamess NA, Kang J, et al. Examination of the efficacy of acute L-alanyl-L-glutamine ingestion during hydration stress in endurance exercise. Journal of the International Society of Sports Nutrition. 2010;7:8. doi:10.1186/1550-2783-7-8.

Sustamine® Maintains Performance Levels For Collegiate Basketball Players, Study Shows

Hoffman JR, Williams DR, Emerson NS, et al. L-alanyl-L-glutamine ingestion maintains performance during a competitive basketball game. Journal of the International Society of Sports Nutrition. 2012;9:4. doi:10.1186/1550-2783-9-4.

Sustamine® absorbs from gut to blood better than glutamine alone

Harris RC, Hoffman JR, Allsopp A, Routledge NB. L-glutamine absorption is enhanced after ingestion of L-alanylglutamine compared with the free amino acid or wheat protein. Nutr Res. 2012 Apr;32(4):272-7. doi: 10.1016/j.nutres.2012.02.003. Epub 2012 Apr 9.

Sustamine® taken post exercise might reduce muscle protein breakdown after resistance exercise

Wang W, Choi RH, Solares GJ, Tseng HM, Ding Z, Kim K, Ivy JL. L-Alanylglutamine inhibits signaling proteins that activate protein degradation, but does not affect proteins thatactivate protein synthesis after an acute resistance exercise. Amino Acids. 2015 Jul;47(7):1389-98. doi: 10.1007/s00726-015-1972-7. Epub 2015 Apr 3.

Sustamine® L-Alanyl-L-Glutamine during endurance exercise appears to enhance athletes’ reaction times when compared to no hydration

Pruna GJ, Hoffman JR, McCormack WP, et al. Effect of acute L-Alanyl-L-Glutamine and electrolyte ingestion on cognitive function and reaction time following endurance exercise. Eur J Sport Sci 2014 Oct 16:1-8.

Study Shows Taking Sustamine® L-Alanyl-L-Glutamine During Strenuous Exercise May Ward Off Exhaustion

McCormack WP, Hoffman JR, Pruna GJ, Jajtner AR, Townsend JR, Stout JR, Fragala MS, Fukuda DH. Effects of l-Alanyl-l-Glutamine Ingestion on One-Hour Run Performance. J Am Coll Nutr. 2015 Jun 22:1-9.