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 latest innovation 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 for information about Dr. Katz and to learn more.

Claim Your Sample Today

Click here to learn more about Instaflex Advanced and to receive your sample of Instaflex^® Advanced. This exclusive offer is online only.

Frequently Asked Questions

Does Instaflex actually work?

Instaflex is designed with ingredients intended to support joint health. While individual experiences may vary, it is formulated based on research into joint health.

Is Instaflex hard on your liver?

Instaflex is formulated with ingredients without any known side effects. If you have concerns about liver health or any pre-existing conditions, consulting with a healthcare professional is recommended prior to starting any new supplement regimen.

How long does it take for Instaflex to work?

The time it takes to notice the effects of Instaflex can vary from person to person. It is suggested to follow the recommended usage instructions and allow a period of consistent use to evaluate its effects.

Is Instaflex FDA approved?

Instaflex, like most dietary supplements, is not subject to FDA approval. However, it is manufactured in compliance with Current Good Manufacturing Practices.

Who should not take Instaflex?

Instaflex is generally intended for adult use. It is advisable for individuals who are pregnant, nursing, taking medication, or have a medical condition to consult with a healthcare professional before use.