Researchers believe several factors may contribute, including inflammatory signaling, changes in blood vessel function, individual immune responses, and infusion-related effects
For most oral supplements, 2,000 mg per day is considered the upper safe limit for short-term use
Each system is evaluated with explicit attention to the evidence supporting biological relevance, the reasons for historical underexploration, and the translational questions that must be addressed to enable renewed development
Experts who work in elite sport, like Reece, or in medical practice, like doctors Nadolsky and McGuire, agree on the same point that the science is nowhere near ready for the way peptides are currently being used