Everlast l glutamine flavour unflavoured size 500g servings 100 x 5g what is everlast l glutamine and how does it work food supplement providing water soluble pure micronized l glutamine powder glutamine is the most abundant amino acid in the body it is one of the most widely supplemented amino acids in sports plain and unflavoured so you can mix up your favourite way simple yet effective to support the sports enthusiast everlast suggest taking this on an empty st