Size:2. 5 kg | Color: Multi-coloured Process to use: Myprotein Impact Whey Isolate, Unflavoured, 2. 5 Kg For maximum benefits 30-60 minutes before your workout and / or in a Myprotein shaker add 150-250ml water or 1 large scoop (25g) in milk. Alternatively, consume between meals throughout the day to increase your daily protein intake. If you are following a calorie-controlled diet, mix with water to avoid adding extra fat and calories. Supplementation with creatine or beta alanine is a popular combination.