Somers authored a series of books focused on health, wellness, and hormone replacement therapy. These books often became bestsellers, but also generated controversy for promoting unproven treatments.

One of her notable books, "Ageless," discussed the benefits of bioidentical hormones, reflecting her personal health journey.

Somers explored alternative cancer treatments in "Knockout," a book featuring interviews with doctors who claim to cure cancer. This work further solidified her stance on alternative medicine.

Somers also penned autobiographies reflecting on her life, career, and personal experiences.