Somatropin dosage: reported doses and schedule
Prescription human growth hormone, with no proven anti-aging benefit.
Also called: HGH, hGH, rhGH, recombinant human growth hormone, Genotropin, Humatrope, Norditropin, Omnitrope, Saizen, Zomacton, Serostim, Zorbtive, Nutropin AQ.
Growth hormone · Recombinant human growth hormone receptor agonist · Evidence: Approved drug.
Typical reported dose: Adult growth hormone deficiency: about 0.2 mg daily to start
- Adult GHD: low daily start: A starting dose of approximately 0.2 mg/day (range, 0.15–0.30 mg/day). once daily, under the skin. Drug label. Studied in: Adults with confirmed GH deficiency. (source)
- Adult GHD: Genotropin weight-based option: Start at not more than 0.04 mg/kg/week; increase to not more than 0.08 mg/kg/week at 4–8 week intervals. weekly total divided into daily injections, under the skin. Drug label. Studied in: Adults with confirmed GHD; weight dosing is less suitable in obesity. (source)
- Adult GHD: Humatrope or Zomacton weight dosing: Initiate at 0.006 mg/kg daily; increase as needed to a maximum of 0.0125 mg/kg daily. once daily, under the skin. Drug label. Studied in: Adults with confirmed GHD; not recommended for obese patients. (source)
- Adult GHD: historical Nutropin limits: Start at no more than 0.006 mg/kg/day; maximum 0.025 mg/kg/day at age ≤35, or 0.0125 mg/kg/day above 35. once daily, under the skin. Drug label. Studied in: Adults with GHD; Nutropin AQ NuSpin supply was discontinued. (source)
- HIV wasting: daily Serostim: 0.1 mg/kg once daily, up to 6 mg: <35 kg, 0.1 mg/kg; 35–45 kg, 4 mg; 45–55 kg, 5 mg; >55 kg, 6 mg. once daily at bedtime, under the skin. Drug label. Studied in: Adults with HIV-associated wasting or cachexia. (source)
- HIV wasting: alternate-day Serostim: A starting dose of 0.1 mg/kg every other day should be considered in patients at increased risk for adverse effects. every other day, under the skin. Drug label. Studied in: Adults with HIV wasting at higher risk of GH side effects, such as glucose intolerance. (source)
These are doses reported in labels, trials or user reports, not a personal plan. Check the source behind each one.
Related to Somatropin
- Retatrutide: An experimental weekly injection with phase 3 weight-loss results.
- BPC-157: An experimental repair peptide with mostly animal evidence and a few small human reports.
- TB-500: A short piece of thymosin beta-4 with no proven repair benefit in humans.
- Ipamorelin: An experimental peptide that triggers growth hormone release.
Sources
- Import Alert 66-71, 2026
- Saizen, 2026
- The 2026 Prohibited List, World Anti-Doping Agency · WADA · 2026
- ACMD advice on somapacitan, lonapegsomatropin and somatrogon (accessible), 2025
- DailyMed - NUTROPIN AQ NUSPIN 5- somatropin injection, solution NUTROPIN AQ NUSPIN 10- somatropin injection, solution NUTROPIN AQ NUSPIN 20- somatropin injection, solution, 2025
- Genentech Provides Update on Nutropin AQ (somatropin) NuSpin formulations in the United States, 2024
- SAIZEN (somatropin) for injection, for subcutaneous use, 2020
- AMERICAN ASSOCIATION OF CLINICAL ENDOCRINOLOGISTS AND AMERICAN COLLEGE OF ENDOCRINOLOGY GUIDELINES FOR MANAGEMENT OF GROWTH HORMONE DEFICIENCY IN ADULTS AND PATIENTS TRANSITIONING FROM PEDIATRIC TO ADULT CARE., Yuen KCJ et al. · Endocrine practice : official journal of the American College of Endocrinology and the American Association of Clinical Endocrinologists · 2019
- Evaluation and treatment of adult growth hormone deficiency: an Endocrine Society clinical practice guideline., Molitch ME et al. · The Journal of clinical endocrinology and metabolism · 2011
- DailyMed - GENOTROPIN- somatropin kit
- DailyMed - HUMATROPE- somatropin kit
- DailyMed - NORDITROPIN- somatropin injection, solution
- DailyMed - OMNITROPE- somatropin injection, solution OMNITROPE- somatropin kit
- DailyMed - SEROSTIM- somatropin kit
- DailyMed - ZOMACTON- somatropin kit
Sources checked: 2026-10-18.
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