Phd nutrition natural whey is a high quality natural whey protein supplement it has been made with the highest quality ingredientsr phd nutrition natural whey is made up of grass fed whey protein concentrate and flavoured with natural sweetenersr whey protein delivers a class supply of amino acids into our system which help with protein synthesis they help muscles recover after exercise and have an anti catabolic effectr phd nutrition natural whey delivers 18g of protein per serving with a