Out most successful and popular weight-gainer, now made more powerful and effective than ever.Progain Extreme has been designed to help you pack on muscle and gain weight faster than ever before, when combined with a good training and nutrition programme.If you've tried everything to pack on size, and you feel frustrated because you're just not seeing the results you want, then Progain Extreme is for you.An easy-to-digest 508 calories per serving.No low grade casein, egg or soya included.A whopping 41 grams of Biomax whey protein.Virtually zero lactose.Advanced muscle-building formula.