Glutamine is the most abundant amino acid in our body. You need to train hard, but intense exercise can deplete our bodies of up to 50% of its glutamine. Using supplemental glutamine can help protect muscle from being burned as fuel. Our exclusive glutamine provides unmatched recovery and immune boosting benefits. Our Vegetarian sourced fermented Glutamine is micronized for the highest solubility and uptake. Tested to USP pharmaceutical purity.