rHGH, 4 mg (12 IU). Somatropin is recombinant human growth hormone. Its 191 amino acids match the hormone of the pituitary gland. It is the same substance as in prescription growth hormone medicines.
rHGH 4 mg (12 IU) by Bio-Peptide
25 EUR100,00 złAdd to cartIn stock
What is in this vial
The vial holds 4 mg of somatropin from Bio-Peptide, which is 12 IU. Two 1 ml ampoules of solvent come with it, and the price is 25 EUR. That is 2.08 EUR per international unit. No other full growth hormone in our catalogue costs less per unit.
Milligrams and units
Growth hormone is labelled in milligrams or in international units. The international standard for somatropin is 3 IU per milligram. That is why 4 mg on this box is 12 IU. The medicine Genotropin 5.3 mg carries 16 IU for the same reason. Older labels used 2.7 IU per milligram, so check the conversion in old tables.
| Solvent added | Concentration | Per unit on a U-100 syringe | Per 10 units |
|---|---|---|---|
| 1 ml | 4 mg/ml, 12 IU/ml | 0.12 IU (40 mcg) | 1.2 IU |
| 2 ml | 2 mg/ml, 6 IU/ml | 0.06 IU (20 mcg) | 0.6 IU |
The table is arithmetic and nothing else, not a dosing recommendation. Converting an amount into syringe units is explained in the guide on syringe units.
rHGH next to the growth hormone peptides
Most products in this group are peptides that make the pituitary release its own hormone: GHRH analogues such as CJC-1295 and sermorelin, and GHRP peptides such as ipamorelin, GHRP-2 and GHRP-6. Their effect depends on how much hormone the pituitary can release. rHGH is different because it is the finished hormone and does not need the pituitary at all.
| Feature | rHGH | Stimulating peptides |
|---|---|---|
| What you supply | ready-made growth hormone | a signal to the pituitary |
| Depends on the pituitary | no | fully |
| Dosing in a medicine label | yes, approved medicine | only tesamorelin |
The full comparison is on the rHGH page. Sold as research material, not as a medicine.
Preparation and storage
Add the solvent slowly down the side of the vial. Roll the vial gently instead of shaking it. The medicine label for somatropin says not to shake, because a large protein does not tolerate foaming. Keep the solution refrigerated at 2 to 8 degrees and away from light, as described in how to store peptides.
This vial next to the other rHGH
The same substance is sold here as Nouveaux Ltd., 12 mg (36 IU) in a two-chamber cartridge for 90 EUR. The cartridge holds three times as much. It needs no transfer of solvent. This vial is cheaper per unit and lets you choose the concentration.
Also from Bio-Peptide in this group
Within growth hormone peptides, Bio-Peptide also supplies CJC-1295 5 mg, ipamorelin 10 mg and sermorelin 5 mg.
Sources: Genotropin label (FDA), 2026 prohibited list, SUEK.
Questions
How many IU are in 1 mg of growth hormone?
By the international standard for somatropin, 1 mg is 3 IU, so the 4 mg in this vial is 12 IU.
How much is one syringe unit?
With 1 ml of solvent, 0.12 IU per unit on a U-100 syringe; with 2 ml, half that, 0.06 IU.
Is this a medicine?
No. Somatropin is the substance of prescription medicines, while this vial contains research material.
Verification and delivery
Every vial carries a code on the box and comes from a batch with a certificate of analysis; how to check both is described in check your product. We ship within Poland and abroad. Outside Poland shipping costs 30 EUR paid in advance or 80 EUR cash on delivery, the same for every country: shipping and payments.