(Med-Vet Pharmaceuticals) In-Synch 4 Pellets help support healthy muscle function, immune system, blood cell (oxygen) production and hair coat. Key ingredients magnesium, vitamin E and lysine may help ease occasional muscle discomfort. Each 2 oz serving of In-Synch 4 contains 5000 mg magnesium, 5000 mg lysine, 2500 mg methionine, 2000 mg vitamin C, 750 mg DMG, 45 mg zinc, plus vitamin B complex, yeast, and probiotics. Feed 2 oz. daily. Pellets.