High-quality sports nutrition for 25 years
Best-selling performance down to a science
The undisputed leader in hardcore sports nutrition
Science-based performance nutrition products developed by Mark Wahlberg and the leading experts in science and nutrition
Sets the new standard for quality, nature-based sports nutrition without sacrificing delicious taste or performance benefits
Supercharge your supplements with this completely new approach to customizing your sports nutrition regimen
Use our protein number calculator to find your daily protein needs for optimal health and performance.
GNC is committed to providing sports nutrition products that are free of banned substances.
GNC is proud to be the first in its industry to disclose the total amount of nitrogen a product delivers.
OT²™ is "Optimal Timing Technology," which is an intelligent nutrient delivery system engineered to help release key ingredients during crucial times when you need them most.
The GNC Medical Advisory Board is comprised of Board Certified and world-renowned physicians who aid GNC in the creation and development of GNC products.
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GNC guarantees the quality, purity and potency of our products with a 30-day satisfaction guarantee.