GLP-1 Side Effects, Risks, And Who Should Be Using It | Dr. Christle Guevarra | GLS #202

About this video

Dr. Gabrielle Lyon interviews Dr. Crystal, a family physician and sports medicine specialist, about GLP-1 medications for weight loss. Dr. Crystal shares her personal experience struggling with weight management despite medical training, her decision to use GLP-1s, and how these medications have transformed her practice. They discuss patient decision-making, the importance of resistance training alongside medication use, common side effects, and the changing landscape of obesity medicine.

Key takeaways

  • Dr. Crystal argues that GLP-1 medications are the most effective weight loss intervention available and claims they work differently from stimulants by reducing persistent food thoughts rather than just suppressing appetite
  • According to Dr. Crystal, resistance training and adequate protein intake (0.8-1g per pound of ideal body weight) are non-negotiable when using GLP-1s to help preserve muscle mass during weight loss
  • Dr. Crystal emphasizes that behavioral support and lifestyle changes remain critical with GLP-1 use, as the traditional medical system’s infrequent follow-ups may not adequately address how patients should eat and exercise while on these medications

Episode details: published April 21, 2026 · 37.3K views · 1:22:55 long. Summary written by Self Growth Videos from the episode itself. The health and muscle concepts described are Dr. Gabrielle Lyon’s, presented for education — not medical advice. Consult a qualified professional before changing your own health practices.


← Previous: GLP-1 Drugs & Bariatric Surgery Explained by a Top Obesity Researcher | Dr. David Allison | GLS #199 · Next: Mark Bell on Fat vs. Carbs, What’s Really Making You Fat? | GLS #203 →

All Dr. Gabrielle Lyon videos · Dr. Gabrielle Lyon profile · Dr. Gabrielle Lyon on YouTube

Books & tools

Books & tools from Dr. Gabrielle Lyon

The books, products, and tools connected to Dr. Gabrielle Lyon’s teaching in this library — their own offers first, then the sponsors and resources their work points to.

Forever Strong: A New, Science-Based Strategy for Aging Well

Her book on muscle-centric medicine — a new, science-based strategy for aging well.

The Forever Strong Playbook

The companion playbook to Forever Strong, from her official book pages.

Some links on this page are affiliate links. As an Amazon Associate I earn from qualifying purchases. How affiliate links work here

Sister brand · Vacation Club Promo

All-inclusive resort stays from $435

Qualified couples: promotional Mexico and Caribbean packages at real resorts. Short presentation during your stay — enjoy the rest of the trip.

Qualifications apply · presentation during stay · no purchase required

Subscribe YouTube Suggest