The best brain fueling snacks can boost mental clarity, elevate productivity and improve overall performance. On the other hand, hidden sugars and additives can make your blood glucose spike—resulting in the inevitable crash and/or food cravings. 

MOSH bars are filled with "brain supporting vitamins, adaptogens and grass-fed protein," Largeman-Roth says, including omega-3's, MCT oil, lion's mane (a nootropic said to support mental performance) and more. 

One fan who purchased a trial pack of all three flavors — Peanut Butter Crunch, Chocolate Crunch and Peanut Butter Chocolate Crunch — says, "My favorite is the Chocolate Crunch MOSH Bar. Rich, dark chocolate, slight crunch, with a 'zing' ... A MOSH bar is a decadent sweet treat as a mid-morning or mid-afternoon snack."