HIS SITE
Mercola.com draws an estimated 1.9 million unique visitors monthly (total monthly visits: 18.5 million).

HIS SUPPLEMENTS
He sells 39 Mercola-branded supplements, including protein powders and vitamins.

HIS PRACTICE
Dr. Mercola’s Natural Health Center (formerly the Optimal Wellness Center) in Hoffman Estates offers alternative health treatments.

HIS OTHER PRODUCTS
Merchandise includes food, clothes, skin care, housewares, and appliances such as the Mercola Vitality Home Tanning Bed (pictured; $2,997).

HIS BOOKS
He has penned eight so far, two of which have hit the New York Times bestseller list.

Photograph: Courtesy of Dr. Mercola’s office