Quest Nutrition Rocky Road Energy Bar Protein Bar With only four grams of net carbs, the Quest Nutrition Rocky Road Energy Bar Protein Bar (£26 for 12) is so yummy. Pro tip: if you have time, microwave the bar for around 10 to 15 seconds (and thank me later). Image Source: amazon.co.uk Quest Nutrition Rocky Road Energy Bar Protein Bar £26 from amazon.co.uk Buy Now