Sermorelin
Well Researched
Sermorelin is a peptide that signals your pituitary gland to produce more growth hormone. It was FDA-approved in 1997 for children with growth hormone deficiency and was taken off the market in 2008 for manufacturing reasons, not safety concerns. Because it works through your body's own signaling system, growth hormone is released in natural pulses rather than as a constant stream. That makes it one of the gentler options in this category.
How it works
Sermorelin binds to receptors on the pituitary gland (the small gland at the base of your brain that controls growth hormone). This binding triggers the gland to release growth hormone in its natural pulse pattern. Because sermorelin works upstream of growth hormone itself, your body's built-in feedback loops stay intact, preventing overproduction. The result is a controlled increase in growth hormone that follows your body's own rhythm.
Key benefits
- ✓FDA-approved track record dating back to 1997
- ✓Absorbed well through injection, with effects beginning within minutes
- ✓Maintains your body's natural growth hormone pulse pattern
- ✓Preserves pituitary function rather than overriding it
Related goals
Protocols
| Protocol | Dose | Frequency |
|---|---|---|
| Anti-aging/Longevity | 200-300 mcg daily | Once at bedtime |
| Athletic Performance | 300-500 mcg daily | Once at bedtime |
| Pediatric GH Deficiency | 30 mcg/kg daily | Once at bedtime |
| Diagnostic Testing | 1 mcg/kg IV | Single dose |
| Body Composition | 200 mcg daily | 5 days weekly |
| Combination Therapy | 200 mcg + GHRP | Once daily |
Protocols are from published research literature. This is not medical advice. Dosing should be determined by a licensed clinician.
What to expect
IGF-1 levels begin to rise. Many people notice improved sleep quality and faster recovery from workouts.
Early body composition changes begin. Energy levels and general sense of well-being start to improve.
Visible improvements in muscle tone and fat reduction. Skin quality often improves as collagen production increases.
Sustained body composition improvements continue. IGF-1 levels reach a steady, elevated baseline.
What to know
- ⚠Monitor thyroid function; 6.5% of users develop hypothyroidism requiring hormone replacement
- ⚠Check IGF-1 levels monthly initially, then every 3-6 months long-term
- ⚠Injection site reactions occur in 16.7% of patients but are generally mild
- ⚠Contraindicated in active malignancy, pituitary tumors, and pregnancy