Twice or Thrice and Anytime during the day .. Works best as an alternate to meals., Gently shake the canister prior to each use as contents may settle. Simply blend, shake or stir 25g (3 scoops) of formula 1 with 300 ml of skimmed milk or Herbalife Shake Mate and 300 ml of water and enjoy. For Weight Loss: Replace two meals daily with Formula 1 shake and eat 1 nutritious meal.