A significant difference between Huel v3.1 Powder and Huel Essential is the macro split (56:20:20:4, vs. 37:30:30:3 for V3.1 Powder). Whilst v3.1 contains 39g of carbohydrate per 400 calorie serving, Huel Essential contains 57g per 400 calorie serving. Both of the products are great sources of plant-based protein; however, where a 400kcal meal of v3.1 contains 30g of protein, Huel Essential contains 20g.