USN B4Burn Sherbet Extreme is a newly formulated version of B4-Burn.

This thermogenic pre-workout sherbet contains optimal dosages and innovative new ingredients like encapsulated caffeine – 250mg per sachet – that provides energy, focus and motivation while activating thermogenesis to burn fat and lose weight.

L-carnitine is included to boost toning and weight loss. B4-Burn Sherbet Extreme is sugar-, creatine- and B-alanine-free.