Our Brands

Explore all of our brands to learn more about our industry leading products


For nearly two decades, the MuscleTech® brand has launched industry-defining product innovations that have helped bodybuilders and athletes achieve their goals. With cutting-edge formulas engineered by an elite team of researchers, MuscleTech® continues to provide the most premium supplements in the world. It continues to be the #1 selling bodybuilding supplement brand in America† since 2006, and with distribution in over 80 countries, is one of the most prominent sports nutrition brands worldwide.

The MuscleTech family was expanded significantly with the launch of the Pro Series, SX-7 and Essential Series. The new SX-7 series of products is an exciting GNC exclusive line that delivers the most advanced super extreme formulas available. The Essential Series was voted as 2014’s most innovative brand of year at Bodybuilding.com and makes it easy for you to personalize and enhance your existing supplementation with scientifically validated solo ingredient-based formulas. This new line has raised the bar for what it means to be best-in-class.

† The MuscleTech® brand of supplements is America’s #1 Selling bodybuilding supplement brand based on cumulative wholesale dollar sales 2001-present.



Hydroxycut™ is the #1 selling weight loss supplement brand in America♦ and offers a wide variety of products, including Pro Clinical Hydroxycut™, Hydroxycut Gummies and Hydroxycut™ Black, formulated to help people reach their weight loss goals with diet and exercise. Formulated with scientifically researched key ingredients, the Hydroxycut™, brand has been around since 1995. It’s a brand that really works!

♦Based on AC Nielsen FDMx sales data for Pro Clinical Hydroxycut caplets.



Six Star® is one of the leading sport supplement brands in America. This scientifically designed line of premium supplements is formulated with precision-dosed key ingredients backed by respected scientific research. For years, the complete line of Six Star supplements has helped athletes of all levels build muscle, increase strength, and enhance performance, helping them to achieve their goals. Six Star® represents the pinnacle of incredible quality AND unbeatable value.



Purely Inspired® is a premium brand of effective supplements made to help support men and women with their goals. This brand inspired by nature has set a new standard of producing high-end supplements, while delivering incredible value. Purely Inspired® weight-loss products are scientifically dosed with the popular weight loss ingredient green coffee extract (supplying 45% chlorogenic acids), are non-stimulant, and are made with 100% pure ingredients.



Xenadrine® has long been a brand synonymous with weight loss and energy. The powerful formulas in this family are driven by scientifically studied core ingredients to deliver the effective results that have made it a brand people can trust. Available in several convenient formats including caffeine-free, drink mix, and new gummies, there’s a Xenadrine® that’s right for your active lifestyle!

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