Rule 1 - R1 Casein 4LBS

Provides 25 g of protein per serving, using 100 % micellar casein — designed for slow release of amino acids over several hours. Body Building India+3Rule One Proteins+3Nutrition Warehouse+3

Low in carbs & fat: e.g., per serving ~3 g carbs, ~1 g fat in many flavours. TRU·FIT+1

Great for overnight muscle recovery or between meals, thanks to the slow‑digesting nature of casein. Rule One Proteins+1

Contains all 9 essential amino acids (EAAs) and naturally rich in BCAAs, supporting muscle maintenance and recovery. Body Building India+1

Does not use protein blends or fillers — it emphasizes “ZERO Non‑Casein Proteins,” “ZERO amino‑spiking,” which supports a clean formula. Miss Lamonique+1

Supports bone health: One version notes supplying a substantial portion of daily calcium needs (e.g., 50% of daily calcium in some markets) due to the casein/dairy protein content. Nutrition Capital+1

Good flavour variety and texture: Reviews mention that the shake is thick and satisfying which may help with satiety (especially overnight). Powerhouse Supplements