GRENADE ENERGY

From £1.99, grenade.com

Powered by natural caffeine that’s derived from coffee beans, Grenade Energy is free from preservatives and artificial colours, packing the same punch as two espressos. Each zero-sugar, zero-calorie can of Grenade Energy contains plant-based BCAAs, plus electrolytes and B vitamins to fuel you through the day. Grenade Energy comes in three flavours: Cherry Bomb, Sun of a Beach, and Berried Alive.