Why insulin resistance makes weight loss hard
Insulin resistance — the core of prediabetes, type 2 diabetes, PCOS, and metabolic syndrome — pushes your body to store fat and drives hunger and cravings. That’s why diet and exercise alone often stall. GLP-1 medications work directly on appetite and metabolism, which is why they’re so effective in this group.
How GLP-1 improves insulin resistance & metabolic syndrome
- Insulin sensitivity: improves as you lose weight; fasting glucose tends to normalize within weeks.
- Metabolic syndrome cluster: reduced waist size, lower triglycerides, higher HDL, and lower blood pressure.
- Weight loss: ~15% with semaglutide, ~21% with tirzepatide — the main engine of the metabolic benefit (tirzepatide edges semaglutide on cardiometabolic markers).
GLP-1 vs metformin for insulin resistance
Metformin is the inexpensive, well-established first step and is often tried first for insulin resistance or prediabetes. GLP-1s deliver far greater weight loss and broader metabolic improvement, so they’re more powerful — at higher cost. Many clinicians start with metformin or combine both. See the full metformin vs GLP-1 comparison.
How to get evaluated
Through a clinician — primary care or a licensed telehealth provider that evaluates you online (often after labs) and prescribes if appropriate. Compare providers below or take our 60-second quiz.