Costco sells a variety of Kirkland Signature protein bars, but even though plenty of protein bars are keto friendly, it isn't always a guarantee.

An ultra marathon and a favorite post-workout treat inspired Claudia Dodge and Schalk Pienaar to launch a protein snack and coffee brand featuring spicy and bold flavors.

Lots of protein bars promise to keep your energy up and give you nutrition on the go. Are they a healthy choice for you? Let's unwrap the facts. Is a protein bar as good for you as a meal?

There's a protein bar out there for every need and every taste preference. (Emily Roethle) ...