Theres this gray area which theyre playing with, he says
Mitochondrial dysfunction and oxidative stress in aging and neurodegenerative disease
Metabolic Effects of DPP-4 Related to Its Enzymatic Activity Despite DPP-4 having a relatively restricted substrate preference (Figure 1), a large number of peptides, proteins, and chemokines still fulfill the criteria and could be predicted to be suitable substrates, and indeed, many have been shown to be cleaved by DPP-4 in pharmacological kinetic, in vitro or animal studies, often using high substrate concentrations (3638)
This is why
Even if obesity heightens your risks for diabetes, heart disease, or joint injury, plans may still label GLP1s as not medically necessary
Always consult your personal gastroenterologist before starting or altering any treatment protocol