What is AcroCEF? Why does it require "High Performance GPU"?

MK-677, also known as Ibutamoren, is a popular growth hormone secretagogue that stimulates the pituitary gland to increase the production of growth hormone (GH) and insulin-like growth factor 1 (IGF-1). Initially developed to combat conditions like muscle wasting, obesity, and osteoporosis, MK-677 has gained significant attention in fitness and bodybuilding circles for its potential benefits in muscle growth, fat loss, and overall health.

That's actually irrelevant, especially if you have to ask. You either know or you don't.