USN Diet Fuel Ultralean 1kg - VanillaUSN Diet Fuel Ultralean 1kg is a high protein, low calorie meal replacement powder formulated to aid in weight loss while supporting muscle retention. This advanced supplement contains a blend of protein sources, including whey protein isolate, designed to promote fat loss while helping you maintain lean muscle. With a balanced blend of fiber, vitamins, and minerals, it also supports digestion and overall wellness. USN Diet Fuel Ultralean is ideal for