Inside the front lines of the protein wars.

Sitting at a table at Balthazar in downtown Manhattan, Peter Rahal spears a piece of smoked salmon on his plate and ignores the nearby toast. The 38-year-old cofounder of nutrition bar brand RxBar ...

Among a group of protein bar haters and fanatics, these won everyone over.

Protein bars have become ubiquitous snacks for busy days. Who hasn’t found themselves scarfing down a protein bar in between meetings or in the airport before a flight? In the midst of an ongoing ...

Registered dietitians agree that, in an ideal world, protein intake should come from real, high-protein foods instead of supplements. But in a busy world, convenience foods like protein bars can ...