L-Carnitine UK Suppliers

Choosing a L-Carnitine supplier in the UK

There are 9 UK suppliers stocking L-Carnitine in our directory, with 600mg prices from £6.00 up to £51.53 (average £25.85). Opti-Gen Peptides is the keenest on price today at roughly £0.01/mg, but the cheapest supplier isn't always the right one — delivery, testing and reputation matter just as much.

What makes a good L-Carnitine supplier

We'd shortlist suppliers that offer:

• Third-party lab testing — an independent certificate of analysis for every batch.
• 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.
• Clear policies — upfront shipping times, payment options and refund terms.

How much do UK L-Carnitine suppliers charge?

Expect to pay around £25.85 for the 600mg dosage, dropping to £6.00 with the best-value supplier and rising to £51.53 at the top end — a spread of roughly 88% across the directory. Each listing above links to the supplier's full profile with their delivery, payment and testing details.

Buying from a L-Carnitine supplier safely

Research peptides are supplied for in-vitro laboratory use only. Favour established suppliers with verified reviews and independent testing, and ensure any purchase complies with the law in your jurisdiction.

For in-vitro laboratory research use only. We compare suppliers — we don't sell, supply or ship L-Carnitine or any other peptide.