Train hard.Fuel smarter.
iFIT members automatically get 20% off all Thorne’s science-backed supplements to aid their fitness goals!


For more than 40 years, Thorne has developed science-backed supplements shaped by clinical expertise, rigorous testing, and high standards for quality and purity.
Paired with iFIT’s world-class training, Thorne helps support the nutrition behind your performance.
Science-backed nutrition meets
world-class training
Performance
Trusted by athletes and teams at every level.
Professional athletes, 100+ sports teams, and U.S. National Teams trust Thorne to support their training, performance, and recovery – with science-backed wellness made for every level.
Quality
Tested for quality, purity, and trust.
Thorne is committed to rigorous testing, third-party certifications, and high-quality standards. Its Summerville, South Carolina, facility is GMP certified by NSF, and a variety of Thorne products are NSF Certified for Sport®.

Your member perk
iFIT members get 20% off ThorneGet the most out of every workout with targeted nutrition from Thorne. As an iFIT member, you can save on science-backed supplements designed to support your performance, recovery, and daily wellness.
40+
years of science-backed supplement innovation, informed by clinical expertise.
100+
Professional
and U.S. National teams trust Thorne.
7+
Million
Consumers worldwide rely
on Thorne daily.
1#
Most recommended clinical brand*
*Based on a 2026 independent survey of US Supplement Consumers.
- 20% member discount applies to purchases made at Thorne.com using your iFIT member discount code. Discount code is accessible via your iFIT member account. Cannot be combined with other offers. Thorne and iFIT reserve the right to modify or discontinue this offer. Paid iFIT membership required. Membership auto-renews unless cancelled in advance.