Per4m Whey Hydrate contains whey protein isolate (milk), citric acid, magnesium citrate, Aquamin™ (a natural marine source of calcium and magnesium from lithothamnion calcareous), malic acid, flavouring, potassium citrate, elderberry extract (Sambucus nigra), beetroot powder (for colour), sodium chloride, and sweetener (sucralose). It also includes anti-foaming agents such as polydimethylsiloxane and silicon dioxide. This product may contain traces of oats, wheat, soya, egg, celery, mustard, sulphites, fish, crustaceans, peanuts, and nuts.