New! Instaflex Advanced is so Powerful it Can Deliver Relief in Just 1 week!

Click below to claim a 14-day sample for extreme relief. Get Instaflex Advanced today and see how fast it can help your joints.

Start living healthier with Instaflex Advanced.

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

The newest breakthrough for the Instaflex line is called Instaflex Advanced, doctor-formulated with renowned medical expert Dr. David Katz to provide fast, powerful joint relief.

Click here to learn more.

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 Advanced. Qualifying visitors can claim a sample now. This exclusive offer is online only.