That would be pure products with time and time again proven certain
qualities by serious scientific researches without any fancy, commercial names — BCAA (branched chain amino acids), l - glutamine, protein, high carbs weight gainers,
creatine monohydrate, l - carnitine, ZMA (zinc, magnesium and B6 formula), multivitamins and minerals and other pure products with clear purposes.
Many people avoid this side effect by sticking to a relatively low dose of 3 grams per day, upping water intake slightly and buying a high
quality (and thus usually more expensive)
creatine monohydrate supplement.