Most GLP-1 users are Vitamin D deficient before they start

4 reasons to supplement if taking GLP-1 for weight loss

1) Probably lose less muscle if you add Vitamin D

2) Likely lose less bone if you add Vitamin D

3) Probably lose more fat if you add Vitamin D

4) Should regain less weight after stopping GLP-1 if you add Vitamin D

GLP-1 in VitaminDWiki

GLP-1 - lose Vitamin D, Vitamin C, muscle, as well as weight

The Potential Synergy Between Vitamin D and GLP-1 Medications for Enhanced Weight Loss

40% of weight loss from GLP-1 is from muscle loss (not so if lose weight with Vitamin

Weight loss in VitaminDWiki

• Weight loss and Vitamin D - many studies

• Weight loss includes muscle loss unless add Vitamin D, whey and leucine – RCT

• Why Vitamin D is not advertised for weight loss - it was patented

Coverage of GLP-1 for weight loss as of July 2026

Medicaid 12 states - had been 16 states in 2025

• Delaware, Kansas, Michigan, Minnesota, Mississippi, Missouri, North Carolina, Rhode Island (will end Oct 2026), Tennessee, Utah, Virginia, Wisconsin.

1.5-year experiment by Medicare: $50/month if you meet the clinical criteria: 7/2026 to 12/2027

Employer insurance coverage is dropping: now 20% to 60% (different surveys)