Instaflex is clinically studied by a major American university

New customers can claim a 14 day sample or purchase Instaflex in any major retailer including: CVS, Walgreens, and Rite Aid.

Start living healthier with Instaflex.

Instaflex is a leading health and active lifestyle brand. All of our products feature proprietary formulas that have been carefully researched and crafted with the highest quality ingredients. Learn about or purchase our products online or at any GNC store nationwide.

Doctor Formulated

Joining the widely popular Instaflex line, Instaflex Advanced was scientifically formulated in partnership with renowned Doctor, David Katz, and offers fast, powerful joint relief.

Proud Sponsor

Instaflex is a proud sponsor of the Arthritis Foundation. A portion of the proceeds from Instaflex sales, with a minimum contribution of $25,000, are donated to the Arthritis Foundation, the largest non-for-profit contributor to arthritis research in the world.

Sign up For a Sample

Click here to see if you qualify for a 14-day sample of Instaflex Joint Support. Qualifying visitors can claim a sample now. Buy only online.