Siken Protein Substitute helps you maintain a low calorie diet. This product is indicated to replace meals. How to Use: 1 shake replaces a meal. Dissolve the content of one sachet in 200-? 225 ml of water (according to the desired consistency). Mix until obtaining a homogeneous preparation. Drink plenty of water (approximately 1.5l / day). The rest of the day you should follow a hypocaloric diet.