A Costco employee reveals the 16 best foods for weight loss, from high-protein snacks to healthy meal essentials.

One downside of protein powders and shakes is that they can often ... So the next time you’re at Costco, consider grabbing a case—we know you’ll love it. Other brands we tried included ...

Like other protein powders, collagen can be pricey—but Costco offers collagen products, like Vital Proteins Collagen Peptides, at a discount to members. A 20-gram scoop of Vital Proteins ...

Boost your protein intake with these Costco must-buys! From rotisserie chicken to high-protein snacks, here are six protein-packed groceries that members love.