After 4 weeks, L-glutamine decreased HbA1c and fructosamine irrespective of sitagliptin in patients with T2DM, and postprandial glucose decreased with significant time-treatment interactions, while HbA1c and fructosamine decreased without significant time-treatment interactions [38]
The ACE (American Council on Exercise) published guidelines in 2025 recommending that GLP-1 users consume 1.2 to 2.0 grams of protein per kilogram of body weight per day, depending on training status
The business models winning in peptide therapy Peptides is the new word but businesses selling them (GLP-1, NAD+ etc) have been around for a while
GLP-1 Cost & Insurance: What You Actually Pay in 2026 (Medicare, Self-Pay & Savings) GLP-1 medications list at $1,000 to $1,350 per month, but almost nobody pays that
PMID 6548969
That's just not long enough to have a sustained therapeutic effect