Not medical advice. Talk to your provider before using any peptide.
Full disclaimerPeptide Schedule Research TeamReviewed Apr 20266 Citations
HGH (Somatropin)31 residues (approx.)FPTIPLSRLFDNAMLRAHRLHQLAFDTYQEFEach bubble = one amino acid. Size = residue mass. Color = chemical class.Uses closest standard amino acids for non-standard residues.HGH (Somatropin) is FDA-approved recombinant growth hormone with clinical trial data spanning 15,809 patients. Rudman's foundational study showed 8.8% lean mass gain and 14.4% fat loss in six months. Pharma-grade pricing remains steep, but anti-aging protocols at 1 to 2 IU daily are the community standard for sleep, skin, and body composition.
1mcg · Daily
Summary: Add 1mL BAC water to your 10mg vial. Draw to < 0.1 units on a U-100 syringe for a 1mcg dose. This vial will last 10000 doses.
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| Level | Dose / Injection | Frequency |
|---|---|---|
| Beginner | 1 IU | Daily |
| Moderate | 3 IU | Daily |
| Aggressive | 6 IU | Daily |
Somatropin is dosed in IU, not mcg. One IU equals roughly 0.33 mg. That conversion trips people up initially. If you're using a lyophilized vial (not a pre-filled pen), reconstitute with bacteriostatic water. For a 10 IU vial with 1 mL of BAC water, each 10 units on an insulin syringe equals 1 IU. A 1 IU daily dose means drawing to the 10-unit mark. At 2 IU, draw to 20 units. At 0.5 IU for the ramp-in phase, that's 5 units on the syringe. Pre-filled pens (Norditropin FlexPro, Genotropin GoQuick) skip this math entirely. Dial the dose and inject. Inject on an empty stomach. Carbohydrates blunt GH action. Morning fasted or pre-bed are the two most common timing windows. Splitting the dose (AM plus pre-bed) becomes relevant above 3 IU daily. Store reconstituted vials at 2 to 8 degrees Celsius. Above that temperature, somatropin denatures within days. A vial that sat on your counter overnight may still look fine but test like a counterfeit. IGF-1 labs every three months. That's the number that tells you whether your dose is working and whether it's too high.
Dosing based on Norditropin (somatropin) FDA Prescribing Information (2025) — 9 published references.View all sources →
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Pricing updated 2026-04-09
Prices are estimates and vary by source, location, and prescription status.Full pricing breakdown →
Disclaimer: This curve is a simplified first-order exponential decay model. Actual pharmacokinetics vary based on injection site, individual metabolism, body composition, and other factors. Half-life values are approximate and based on available preclinical and clinical literature. Many research peptides lack formal human pharmacokinetic studies. This is for educational purposes only — not medical advice.
HGH (Somatropin) is FDA-approved recombinant growth hormone with clinical trial data spanning 15,809 patients. Rudman's foundational study showed 8.8% lean mass gain and 14.4% fat loss in six months. Pharma-grade pricing remains steep, but anti-aging protocols at 1 to 2 IU daily are the community standard for sleep, skin, and body composition.
