During times of disease or intense physical exercise the demand from glutamine in human body increases, requiring intake from food or supplements: So What is the Best Glutamine ?
The answer to the question "What is the Best Glutamine ?" is very relative to the level of glutamine in the bloodstream, under normal circumstances the food supply of the amino acid is enough to keep a healthy state.
But when it comes to intense demand periods, supplements may be needed. As a general rule for supplements, Glutamine SR (Sustained Release) is the best glutamine available due to it´s increased absorption.