Start with high-confidence weight loss books, then narrow by subgenre or adjacent topics.
The End of Diabetes
Joel Fuhrman M.D., Joel Fuhrman
The Mind-gut Connection
Emeran Mayer
Dr. Gundry's Diet Evolution
Steven R. Gundry, Stephen Bel Davies
Change Your Brain, Change Your Body
Daniel G. Amen
The Blood Sugar Solution 10-day Detox Diet Cookbook
Mark Hyman M.D., Mark Hyman
The Galveston Diet
Mary Claire Haver MD, Mary Claire Haver
The Science of Nutrition
Rhiannon Lambert, D.K. Publishing
Eat to Beat Your Diet
William W Li MD, William W. Li
The Power Foods Diet
Neal Barnard, Dustin Harder
Cardio Strength Training
Robert Dos Remedios
The Glucose Goddess Method
Jessie Inchauspe, Jessie Inchauspé
The Obesity Code
Dr. Jason Fung, Timothy Noakes
The Obesity Code Cookbook
Dr. Jason Fung, Jason Fung
The Mayo Clinic Diet, 3rd Edition
Donald D. Hensrud M.D. M.P.H., Donald D. Hensrud
Glucose Revolution