The muscle is attached to a flat, strong tendon that is connected to the shoulder joint capsule. Along with the deltoid and pectoralis major muscles, the supraspinatus muscle helps initiate horizontal abduction (raising the arms skyward) of the shoulder.
Source Naturals buy Inositol supplement Powder, 8 ounces Nature's Way Inositol supplement, 500 mg, 100 capsules Inositol is a direct precursor of phospholipids which are a major component of cellular membranes. It helps to maintain proper electrical energy and nutrient transfer across the cell membrane.
To the best of my understanding, when inositol hexaphosphate is ingested in the diet, the body is able to cleave the inositol from the hexaphosphate part and use the inositol as needed. I am not sure how much of a difference there is in the mental or physical effects of taking an inositol supplement versus an IP-6 supplement.