- Formula 1 Shake (550g)- Formula 1 Shake (550g)- Instant Beverage - Tea (50g) New to Herbalife and looking for a healthier you? Try this program which includes Herbalife's core weight loss products.The Formula 1 meal replacement shake & the Herbal Tea are our flagship products. Use the Formula 1 shake to replace your breakfast & lunch and enjoy the Herbal Tea which helps to boost energy and metabolism for a quick and easy start to your weight loss journey.2 canisters of Formula 1 shake should last you 21 days if you replace 2 meals a day. How to use Replace your normal breakfast and lunch with a Formula 1 shake.Mix 2 scoops Formula 1 with 250ml low-fat milk or a milk alternative for example unsweetened soy/almond milk.Replace your normal tea/coffee (in the morning) with a glass of refreshing Herbal Tea. Can also be served chilled.---Enjoy 2 protein-rich healthy snacks and eat a nutritionally balanced evening meal.Women:Snacks - 130-150kcal eachMeal - 600-700kcalMen:Snacks - 150 kcal eachMeal 800-900 kcal---Make sure to drink plenty of water and combine with a healthy active lifestyle.