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Follistatin 344, 1 mg. Follistatin 344 is a protein that binds ligands of the TGF-beta superfamily, myostatin among them, and so lifts the brake myostatin puts on muscle growth.

What is in this vial

It is the smaller of the Follistatin 344 vials sold here, which means less substance standing in solution at a time. The powder has no concentration of its own: it is set when you add the water. This vial with 1 ml of bacteriostatic water gives 1 mg per millilitre, and with twice that volume, half as much.

The conversion of an amount into insulin syringe units is worked through in the guide on syringe units, and the rules that change once the powder is dissolved are in storage.

Genheal as the manufacturer

Genheal covers the growth hormone axis more completely than the other two brands and is the only one here supplying the BPC-157 and TB-500 blend, tesamorelin and tirzepatide. Its vials carry a code under the hologram and a batch certificate, checked the same way as any other brand in this shop.

What the evidence says

The striking pictures used in advertising come from mice bred without the myostatin gene. For follistatin itself there are no randomised human trials on muscle mass. The full account, with the sources and the limits, is on the Follistatin 344 page, and the background in the guide on follistatin 344 and ACE-031.

We publish no dosing schedules. Sold as research material, not as a medicine.

Genheal supplies follistatin 344 in the same 1 mg vial as Bio-Peptide, and it is also the brand behind most of this catalogue’s muscle group. If your comparison runs between a myostatin blocker and the IGF-1 axis, both sides are available from this producer.

Concentration in this vial

Water added Concentration Per unit on a U-100 syringe
1 ml 1 mg/ml 10 mcg
2 ml 0.5 mg/ml 5 mcg
5 ml 0.2 mg/ml 2 mcg

The table is arithmetic and nothing else: it converts the 1 mg in this vial into the concentration you get for a chosen volume of bacteriostatic water. It is not a dosing recommendation, and we publish none.

This vial next to the other Follistatin 344 vials

The same compound is sold here in two other versions: Bio-Peptide, 1 mg and Nouveaux Ltd., 2 mg. The molecule is identical in each; what differs is the manufacturer and the amount in the vial. This is the smallest of the 3, so less substance stands in solution at a time.

Also from Genheal in this group

Within Muscle peptides, Genheal also supplies ACE-031 10 mg, DES(1-3) IGF-1 1 mg and IGF-1 LR3 1 mg.

Questions

How much Follistatin 344 is in this vial?

1 mg of lyophilised powder from Genheal, in one vial.

What concentration does 2 ml of water give?

0.5 mg per millilitre, which is 5 mcg per unit on a U-100 insulin syringe. Other volumes are in the table above.

Is this the same molecule as the Bio-Peptide vial?

Yes. Follistatin 344 is the same compound in every vial here, and both hold 1 mg. What differs is the manufacturer and the batch certificate that comes with it.

Verification and delivery

Every vial carries a code under the hologram 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 the cost is quoted individually, depending on weight and destination country, and confirmed before dispatch: shipping and payments.