Britain's no.1 selling weight gainer for packing on muscle and size.
If you’re looking for a high quality weight gain drink, packed with whey protein and the healthy calories you need to bulk up and add size, you’ll love Maximuscle’s Progain® The weight gain product, Progain, offers you a special whey protein and complex carbohydrate blend, including the special low Glycemic Oligofructose (nutriose) and inulin slow release carbohydrates, giving you a combination of fast nutrient uptake and sustained energy release with an easy to digest, but energy dense 453 calories per serving
