The best places to buy GDF-8 (Myostatin) in the UK

There are 2 UK suppliers stocking GDF-8 (Myostatin) in our index, with prices for the 1mg dosage ranging from £69.00 up to £70.00 (average £69.50). Genopept is the cheapest option at the time of writing, working out at roughly £69.00/mg. The supplier cards above highlight a few vendors we'd shortlist, and you can open any supplier's profile to read their full delivery, payment and lab-testing details before you buy.

What to look for in a GDF-8 (Myostatin) supplier

Buying research peptides is only worthwhile if you can trust what arrives. We'd prioritise suppliers that offer:

Third-party lab testing — an independent certificate of analysis confirming purity and concentration.
UK-based dispatch — faster delivery, no customs delays, and easier returns.
Transparent pricing — clear per-vial and per-mg costs, with no surprises at checkout.
Verified reviews — a track record from real customers you can actually check.
Secure payment and clear policies — reputable vendors are upfront about shipping times and refunds.

How much does GDF-8 (Myostatin) cost?

Expect to pay around £69.50 for the 1mg dosage, though shopping around can bring that down to £69.00. At the top end, Research Peptides charges up to £70.00 — a spread of about 1% across the market. The price table and 30-day trend above show exactly where GDF-8 (Myostatin) is cheapest today and whether prices are moving.

How to store GDF-8 (Myostatin) after delivery

Most research peptides ship lyophilised (freeze-dried) and should be kept cool and dark. Once reconstituted, storage in a fridge and use within the supplier's recommended window helps preserve integrity. Always follow the handling guidance provided by your chosen vendor.

Frequently asked questions

Is it legal to buy GDF-8 (Myostatin) in the UK? Research peptides are sold for in-vitro laboratory use only. It's your responsibility to ensure any purchase complies with the law in your jurisdiction.

How quickly will GDF-8 (Myostatin) arrive? Most UK suppliers dispatch within one to three working days — check each supplier's profile for their exact delivery estimate.