The Claim
In adult male rats, acute infusion of glucose-dependent insulinotropic polypeptide (GIP) at a rate of 4 pmol/kg/min completely blocks the increase in hindlimb muscle microvascular perfusion induced by glucagon-like peptide-1 (GLP-1) during co-infusion, irrespective of whether the animals are fed a chow or high-fat diet, without altering circulating levels of GLP-1, indicating that GIP interferes with the vascular actions of GLP-1 in skeletal muscle.
What the research says
Supports is higher
Support is ahead, but a single strong opposing study can change this.
These are independent scores, not a percentage. Higher-grade studies count more, so a single strong opposing study can outweigh several weaker ones.
In male rats, a hormone called GIP can completely stop another hormone, GLP-1, from increasing blood flow to leg muscles—even if the rats eat junk food or regular food—and it does this without changing how much GLP-1 is in the blood.
See the scientific wording
In adult male rats, acute GIP infusion at 4 pmol/kg/min completely blocks GLP-1-induced increases in hindlimb muscle microvascular perfusion during co-infusion, regardless of diet (chow or high-fat), without altering circulating GLP-1 levels, indicating GIP interferes with GLP-1’s vascular actions in skeletal muscle.
What the research says
1 studyStudy: 109-OR: GIP Acutely Blunts Insulin- and GLP-1–Induced Muscle Microvascular Perfusion
The study shows that when GIP is given with GLP-1, it stops GLP-1 from increasing blood flow to muscle in rats, just like the claim says. This happens no matter if the rats eat regular food or fatty food.
Score breakdown, mechanism chain, raw evidence, ideal studies needed & 1 supporting studies
Not medical advice. For informational purposes only. Always consult a qualified healthcare professional before making health decisions.