HGH (somatropin)

Recombinant human growth hormone, measured in IU as well as mg.

What it is

Somatropin is lab-made human growth hormone, identical to the hormone the pituitary makes.

How it works

It acts on growth hormone receptors and raises IGF-1. Labels often give IU, where 1 mg is about 3 IU.

What it is researched for

• Growth hormone deficiency
• Body composition

Research status

Prescription medicine for specific conditions. Use outside those is restricted in many countries.

What to watch for

• Joint pain and swelling
• Blood sugar changes
• Carpal tunnel symptoms

Storage

Lyophilised powder keeps in the freezer or fridge, away from light. Once mixed with bacteriostatic water, keep it refrigerated and use it within about four weeks.

Common questions

Is HGH (somatropin) approved for human use?

Prescription medicine for specific conditions. Use outside those is restricted in many countries.

Where can I read the research on HGH (somatropin)?

Use the PubMed, Europe PMC and clinical trials buttons on this page. They run a live search for HGH (somatropin), so you see what is published today.

Educational reference only, not medical advice.