Comparison
Tesamorelin vs Sermorelin
Tesamorelin targets visceral fat loss; sermorelin delivers clean, feedback-regulated GH for wellness, sleep, and slow recomp.
Effectiveness Profile
At a Glance
| Tesamorelin | Sermorelin | |
|---|---|---|
| Type | GH & IGF | GH & IGF |
| Legal status | Rx-Only | Research |
| Half-life | 26–38 minutes | 11–12 minutes |
| Preferred route | SubQ | SubQ |
| Dose frequency | once-daily | once-daily |
| Beginner dose | 1–1.4 mg | 200–300 mcg |
| Intermediate dose | 1.4–2 mg | 300–500 mcg |
| Advanced dose | 2–2 mg | 500–1000 mcg |
| Cycle length | 12–26 wks | 12–24 wks |
| Bioavailability | 4% | — |
| Time to peak | 0.2h | 0.25h |
| Active duration | 3h | 1.5h |
| Storage | 2–8°C refrigerated; use within 2–3 weeks reconstituted | 2–8°C refrigerated; use within ~30 days post-reconstitution |
| PCT required | No | No |
| Ancillaries required | No | No |
| Safe for women | Yes | Yes |
Verdict
Tesamorelin wins for: rapid, clinically-proven visceral and hepatic fat loss; maximal effect size on VAT; utility in reversing AAS/HGH-induced abdominal distension; data-backed reduction in NAFLD markers.
Sermorelin wins for: overall safety, low side effect load, flexible use as a wellness, recovery, or longevity peptide; minimal impact on glucose and insulin resistance; widest use-case compatibility for people seeking gentle GH-axis support without aggressive intervention.
Pick A or B?
Pick Tesamorelin if:
- Your primary goal is aggressive visceral fat (VAT) and liver fat reduction proven in human trials
- You need to shrink HGH/AAS-induced "GH gut" or have high NAFLD risk markers
- You want quantifiable metabolic improvements in 12-24 weeks
- You're fine with daily sub-cu dosing and monitoring glucose/IGF-1 more closely
- You want something with hard clinical endpoints, not just anecdotal wellness
Pick Sermorelin if:
- You're looking for a safe, long-term GH-axis peptide for sleep, recovery, and subtle recomp
- You prefer minimal impact on carb sensitivity and are insulin-resistant or prediabetic
- You want a feedback-regulated, natural feeling rather than aggressive pharmacology
- You're stacking with ipamorelin or other GHRPs for broader recovery and slow-burn physique change
- You care more about overall wellness, joint support, or anti-aging than rapid fat loss
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