Grenade: We invented ‘good’ protein bars Retail It is difficult to walk around a supermarket without being screamed at by a collection of very similar labels on very different aisles: High-protein yogurt! Protein powder bread! All natural high-protein ketchup! As the final social-media-endorsed macronutrient standing, protein’s stock has soared from a good-to-have to a must-buy in the last decade. Somewhat inexplicably, Marks [...]