GNC is an Official Sponsor of the Reebok CrossFit Games

GNC Is the Official Vitamin and Sports Nutrition
Retailer of the Reebok CrossFit Games

GNC recognizes and appreciates the athleticism and devotion of CrossFit Games athletes
and wants to support you on your road to becoming the Fittest on Earth™ with the most
scientifically advanced, high-quality, nutritional supplements on the market.

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GNC/Crossfit Affiliate Program

Congratulations Winners!

Rich Froning

Annie Thorisdottir

Hacks Pack UTE

GNC/CrossFit Afiliate Program

GNC and CrossFit have teamed up to support CrossFit athletes with the most scientifically advanced,
high-quality, nutritional supplements on the market.

  • Contact us for a FREE GNC banner and special offer coupons
  • Program members receive FREE samples and can participate in new product testing
  • Have an event GNC should sponsor? Tell us about it! Write to:
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For more information
contact GNC
Find a CrossFit
Affiliate Near You

GNC Pro Performance®
AMP Amplified
Wheybolic Extreme 60

GNC's #1 protein formula. Proven to deliver a 30% increase in muscle strength*. Features a potent 60g whey isolate blend with added hydrolysates, 7.7g of leucine and 8.5g of micronized aminos.

GNC Pro Performance®
Glutamine 5000

Provides 5000mg of fast-acting L-glutamine to deliver anti-catabolic effects, promote protein synthesis and support recovery.

GNC Mega Men® Joint Vitapak® Program

Complete nutritional program featuring our Mega Men®multivitamin, plus Triple Strength Fish Oil and TriFlex to support joint comfort and overall health. 

GNC Pro Performance®
Ultra Amino Complex

Features 10,000mg of concentrated, fast-absorbing BCAAs and free-form, purified essential aminos to support protein synthesis, muscle growth and recovery.

*In an 8-week randomized, double-blind, placebo-controlled study of athletes performing an intense resistance exercise training regiment, subjects who consumed a proprietary module of 20 grams whey protein and 6.2 grams of leucine demonstrated an increased improvement in muscle strength and muscle size as compared to those performing the same exercise training regiment and a placebo.