Jun 07 2019 0 Comments Jason Arntz Glutamine most abundant, nonessential Amino Acid found in I-Prevail Rehab and I-Prevail Amino Impact Glutamine is the most abundant naturally occurring, nonessential amino acid in the human body, and one of the few amino acids that can directly cross the blood–brain barrier. Tags: Amino Acid • Glutamine • Impact • Rehab Share this on: Leave a comment Name Email Message Please note, comments must be approved before they are published Post comment