Whether you’re on the go heading to the gym or putting in a long school day, these single-serve variety protein packs give you all the pre-measured nutrients and supplements you need to get natural, sustainable energy. PURE is a great protein supplement for all ages, including children, and are low in lactose and cholesterol. These handy energy packs are ready for you any time of day… Just rip and sip! PURE Whey is just that—pure, clean whey, derived from grass-fed and free-range cows that are never treated with bovine growth hormones. Our whey is a natural source of amino acids, the essential protein building blocks needed on a daily basis by the body for long-term health.