Resources (1) and (2) are both outstanding resources from the National Institute of Diabetes and Digestive and Kidney Diseases of the National Institutes of Health.
Both are useful for both clinicians and patients interested in diet and weightloss.
Both are very quick reviews.
Clinicians: Be sure and click on the button “Switch To Expert Mode” on the above page. Expert Mode has an even more detailed simulator.
(2) NIH Body Weight Planner Video By Dr. Kevin Hall, July 11, 2018
You can read the complete transcript of the video on the above page.