Selenium Testing for Hair Loss on Weight Loss Drugs
As aesthetic medicine specialists working with GLP-1 patients, we understand that cosmetic side effects can be just as impactful as medical ones. This resource combines dermatological science with practical treatment recommendations tailored to the unique needs of patients on semaglutide and tirzepatide.
Blood work plays a key role in understanding the contributing factors of dermatological changes reported by patients on GLP-1 medications. Appropriate lab work can uncover correctable deficiencies that contribute to cosmetic concerns.
Key Lab Tests for GLP-1 Patients
| Lab | Target | Goal | Cost |
|---|---|---|---|
| Complete Blood Count | Hemoglobin | Normal | $15-50 |
| Iron stores | Storage iron | >40 ng/mL | $20-60 |
| 25-OH-D | Immune and skin | >30 ng/mL | $25-70 |
| Zinc | Immune function | 80-120 mcg/dL | $15-40 |
| Biotin | Hair and nail | Within range | $25-60 |
| TSH/T3/T4 | Hair/skin regulation | TSH 0.5-4.0 | $30-80 |
| C-Reactive Protein | Systemic inflammation | Low | $10-40 |
| Total protein/Albumin | Protein adequacy | Normal | $8-25 |
Understanding Your Results
Should your lab results reveal:
- Low ferritin: Frequently contributes to shedding. Correct with ferrous sulfate and retest in 8-12 weeks
- Low vitamin D: Connected to hair loss. Supplement high-dose D3
- Zinc deficiency: Slows skin repair. Supplement 15-30mg/day
- Abnormal thyroid: Can cause skin changes independent of GLP-1 effects
- Protein depletion: Indicates insufficient protein intake — essential to improve before any procedures
Recommended Timeline
- Before starting GLP-1: Optimal but often not done
- {3 months on GLP-1}: Initial monitoring for developing issues
- {6 months on GLP-1}: Monitoring especially if symptoms are present
- Pre-procedurally: Comprehensive panel to verify surgical readiness
- Annually: Annual check while on GLP-1 medication
Working with Your Provider
Bring your lab results to both your medical providers:
- GLP-1 prescriber: Can optimize nutritional protocol
- Skin specialist: Uses results to guide aesthetic recommendations
- Plastic surgeon: Requires satisfactory nutritional status before approving surgery
Frequently Asked Questions
Does insurance cover lab work for cosmetic concerns?
Many of these tests are standard when ordered by your physician for health monitoring. Your provider can request them as part of health screening on GLP-1 treatment.
What is the most important lab test for hair loss on GLP-1?
Ferritin is generally considered the most critical marker for telogen effluvium on GLP-1 medications. Levels below 50 are frequently correlated with telogen effluvium and supplementation often leads to significant regrowth.