David Protein Bars are a protein bar that has 28g of protein and zero grams of sugar. Huberman is a fan of the flavor and uses the protein bars as a tool to ensure that he hits his protein macros and is able to do so without ingesting too many calories.
"Huberman mentions David protein bars as a convenient and delicious way to meet his daily protein goals without excess calories. He uses them as a snack in the afternoon."