Welcome to the Health Sciences Institute

Since 1998, the Health Sciences Institute (HSI) has been on a mission to uncover the world’s most urgent—and most overlooked—advances in underground medicine. These are the treatments and discoveries you won’t hear about from mainstream doctors, media, or Big Pharma.

Our global network of Members spans more than 100 countries and relies on HSI to deliver real-world solutions—from cutting-edge compounds out of Malaysia to research breakthroughs buried in university labs. If it’s changing lives, we’ll find it—and bring it directly to the people who need it most.

At HSI, we believe no diagnosis is hopeless. Whether it’s your parent’s Alzheimer’s, your spouse’s heart condition, your best friend’s cancer—or your own chronic pain—you deserve every possible option, not just the ones with billion-dollar backing.

That’s why HSI Members receive the Members Alert newsletter and e-Alerts packed with life-saving information, expert insights, and natural solutions proven to help.

Meet Dr. Allan Spreen

As Chief Medical Advisor to the Health Sciences Institute, Dr. Allan Spreen has spent more than a decade helping people take control of their health—naturally. A tireless advocate for nutritional medicine, he’s made it his mission to expose dangerous health myths and bring life-changing alternatives into the spotlight.

Dr. Spreen is the author of Nutritionally Incorrect: Why the American Diet Is Dangerous & How to Defend Yourself, and he’s known for his engaging health writing in the To Your Health newsletter, as well as his popular “Nutrition Physician” websites for AOL and iVillage.

When he’s not uncovering the latest breakthroughs in natural medicine, Dr. Spreen brings the same passion and precision to the world of athletics—coaching competitive divers at the national and Olympic levels.