How many people use Glutamine?

Ive read a couple places that regular free-form l-glutamine once process leaves only about 15-20% is available for actually muscle recover. However, if you get a PH balanced from or a peptide allows all the glutamine to be used and absorbed.

Just really curious on the kknowledgeble peoples opinion on this supplememt.

Final queston what are people opinons on blended protein powders? For instance my protein has 7 sources and breaks down up to 8. I add about 20 more grams of iso post workout but i can tells difference between a straihj protein over a blendors