The best protein bars for a nutritious snack Whether you want to build muscle or follow a balanced diet, we’ve tried the tastiest, healthiest and most nutritious snacks on the market Protein is essential for your body’s everyday functioning and immune response Credit: Brent Hofacker/Alamy Protein bars offer a convenient way to top up your protein intake when on the move – but from the multitude of brands and flavours out there, how can you tell which taste great, are healthy enough to eat regularly and deliver the protein punch you need? To answer that, the first thing to understand i...