The best places to buy TB4 in the UK
There are 1 UK suppliers stocking TB4 in our index, with prices for the 5mg dosage ranging from £31.50 up to £31.50 (average £31.50). RP Peptides is the cheapest option at the time of writing, working out at roughly £6.30/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 TB4 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 TB4 cost?
Expect to pay around £31.50 for the 5mg dosage, though shopping around can bring that down to £31.50. At the top end, RP Peptides charges up to £31.50 — a spread of about 0% across the market. The price table and 30-day trend above show exactly where TB4 is cheapest today and whether prices are moving.
How to store TB4 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 TB4 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 TB4 arrive? Most UK suppliers dispatch within one to three working days — check each supplier's profile for their exact delivery estimate.
For in-vitro laboratory research use only. We compare suppliers — we don't sell, supply or ship TB4 or any other peptide.
