CFM ISO Zero 500 g by Big is a high-quality protein supplement designed for athletes seeking a pure source of protein. Each serving contains 90% whey protein isolate, processed through cold microfiltration to preserve undenatured proteins. This formulation is ideal for those with lactose restrictions, as it contains less than 0.5 g per 100 g, and does not include aspartame or added sugars, achieving a pleasant taste due to natural sweeteners like Splenda® and steviol glycosides. It comes in a 500 g package and is available in various flavor variants that offer slight differences in composition. It is recommended to mix 30 g in 300 ml of water or semi-skimmed milk and consume up to three times a day. The product is manufactured in Spain by Universal Nutrition Softgel S.L., showcasing a commitment to quality and food safety within the EU.