GNC is a trusted brand, considering users say its protein powder is easy to digest and does not cause any nitrogen spikes. So ...

Health supplement chains GNC and ... seemed to be protein-based and tailored to customers that wanted to bulk up. A large segment of the store was devoted to different protein powders and supplements.

and its own branded protein is among its most popular items, specifically its GNC AMP Wheybolic powder. The brand supplied a tub of the powder in the Thin Mints flavor, which is sure to catch the ...