Grenade Bars are delicious and have rapidly become the most popular protein bar in the UK. They are slowly taking over the world so congratulations to the guy who came up with them. I eat one every Friday as a treat but I know some people believe they are sin/guilt free or may even build muscle or help you to lose fat. So what is the truth? In this video I compare the Grenade Oreo flavour (Da bestest one!) with the humble Mars Bar and question if it is really that much better than choosing a simple chocolate bar... #gym #muscle #grenade #proteinbar

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