--- title: "Best L-Carnitine Prices UK 2026 | Compare 9 Suppliers - PeptideSupermarket®" description: "Find the best L-Carnitine prices in the UK. Compare 9 verified suppliers from £6.00. Opti-Gen Peptides is cheapest today — average £25.85." url: "https://peptidesupermarket.co.uk/best-l-carnitine-prices" site: "PeptideSupermarket®" country: "United Kingdom" --- [Home](https://peptidesupermarket.co.uk) › [Peptides](https://peptidesupermarket.co.uk/compare-peptide-prices-uk) › [L-Carnitine](https://peptidesupermarket.co.uk/peptide/l-carnitine) › Best L-Carnitine Prices in the UK # Best L-Carnitine Prices in the UK Hunting for the best deal on **L-Carnitine**? We track live prices across 9 verified UK suppliers so you can buy from **£6.00** without trawling a dozen websites. Cheapest right now: **Opti-Gen Peptides** at £6.00 Cheapest Price £6.00 at Opti-Gen Peptides Average Price £25.85 600mg dosage Highest Price £51.53 at Biolabs UK Suppliers 9 compared ## L-Carnitine Price Comparison Pick a dosage to compare live prices across UK suppliers. Compare dosage | # | Supplier | Price | Per mg | Stock | Lab Tested | | | --- | --- | --- | --- | --- | --- | --- | | 1 | 95 Confidence [Alpha Peptides®](https://peptidesupermarket.co.uk/suppliers/alpha-peptides) Cheapest ★ 5.0 | £20.00 | £0.03 | In Stock | — | [View Deal](https://peptidesupermarket.co.uk/go/019da535-b26d-7358-a60d-c9dcd5653969?loc=keyword_price_table) | | 2 | 87 Confidence [PeptideStock](https://peptidesupermarket.co.uk/suppliers/peptidestockcouk) ★ 4.6 | £17.99 | £0.03 | Out of Stock | — | [View Deal](https://peptidesupermarket.co.uk/go/01a16b3d-b349-714a-986e-954b5451e38e?loc=keyword_price_table) | | 3 | 77 Confidence [Lucid Peptides](https://peptidesupermarket.co.uk/suppliers/lucid-peptides) | £17.95 | £0.03 | Out of Stock | — | [View Deal](https://peptidesupermarket.co.uk/go/019f5ed9-e20a-7011-bf78-520906b601ab?loc=keyword_price_table) | | 4 | 63 Confidence [Opti-Gen Peptides](https://peptidesupermarket.co.uk/suppliers/opti-gen-peptides) ★ 4.8 | £6.00 | £0.01 | In Stock | — | [View Deal](https://peptidesupermarket.co.uk/go/01a09135-eca3-72a8-9191-1c67a115eaf1?loc=keyword_price_table) | | 5 | 50 Confidence [Precision Peptide](https://peptidesupermarket.co.uk/suppliers/precision-peptide) ★ 5.0 | £15.00 | £0.03 | In Stock | — | [View Deal](https://peptidesupermarket.co.uk/go/019f52e5-a733-73d3-885d-e9a93e0950da?loc=keyword_price_table) | | 6 | 50 Confidence [Precision Peptide](https://peptidesupermarket.co.uk/suppliers/precision-peptide) ★ 5.0 | £45.00 | £0.08 | In Stock | — | [View Deal](https://peptidesupermarket.co.uk/go/019f52e5-a7b5-727e-8956-0fc618207c95?loc=keyword_price_table) | | 7 | 50 Confidence [Absolute BioLab](https://peptidesupermarket.co.uk/suppliers/absolute-biolab) | £15.00 | £0.03 | In Stock | — | [View Deal](https://peptidesupermarket.co.uk/go/019f9cfe-a79b-71f1-80b9-5ade6c002374?loc=keyword_price_table) | | 8 | 50 Confidence [Genopept](https://peptidesupermarket.co.uk/suppliers/genopept) | £20.00 | £0.03 | In Stock | — | [View Deal](https://peptidesupermarket.co.uk/go/01a0f557-d08a-7306-8fc1-897ac95ec3f2?loc=keyword_price_table) | | 9 | 50 Confidence [Research Peptides](https://peptidesupermarket.co.uk/suppliers/research-peptides) | £49.99 | £0.08 | In Stock | | [View Deal](https://peptidesupermarket.co.uk/go/019ea82b-69ec-7208-8061-5ddf43080a98?loc=keyword_price_table) | | 10 | 50 Confidence [Biolabs](https://peptidesupermarket.co.uk/suppliers/biolabs) | £51.53 | £0.09 | In Stock | — | [View Deal](https://peptidesupermarket.co.uk/go/019f5cba-dd29-7258-b643-3d23bd0f1ba5?loc=keyword_price_table) | ### 30-Day L-Carnitine Price Trend Based on the 600mg dosage — cheapest, average & highest listed price. Cheapest Average Highest £54 £34 £15 28 Sep 12 Oct 27 Oct 30-Day Low £15.00 Average £26.30 30-Day High £53.99 ## Top L-Carnitine suppliers Our pick of the best-value verified UK vendors stocking L-Carnitine right now. [Alpha Peptides®](https://peptidesupermarket.co.uk/suppliers/alpha-peptides) Best Price 95/100 £20.00 600mg - ★ 5.0 (4 reviews) [View profile](https://peptidesupermarket.co.uk/suppliers/alpha-peptides) [View deal](https://peptidesupermarket.co.uk/go/019da535-b26d-7358-a60d-c9dcd5653969?loc=keyword_spotlight) [PeptideStock](https://peptidesupermarket.co.uk/suppliers/peptidestockcouk) Runner-up 87/100 £17.99 600mg - ★ 4.6 (14 reviews) - Trading since 2026 - 1–2 day UK delivery - Lab tested by Peptideverify [View profile](https://peptidesupermarket.co.uk/suppliers/peptidestockcouk) [View deal](https://peptidesupermarket.co.uk/go/01a16b3d-b349-714a-986e-954b5451e38e?loc=keyword_spotlight) [Lucid Peptides](https://peptidesupermarket.co.uk/suppliers/lucid-peptides) Also worth a look 77/100 £17.95 600mg [View profile](https://peptidesupermarket.co.uk/suppliers/lucid-peptides) [View deal](https://peptidesupermarket.co.uk/go/019f5ed9-e20a-7011-bf78-520906b601ab?loc=keyword_spotlight) ## What's the best price for L-Carnitine? Right now the best L-Carnitine price is **£6.00** from [Opti-Gen Peptides](https://peptidesupermarket.co.uk/suppliers/opti-gen-peptides), based on the 600mg dosage. Across all 9 suppliers we track, the average sits at **£25.85**, while the most expensive listing comes from Biolabs. That's a spread of roughly **88%** between the cheapest and dearest — so choosing the right vendor can make a real difference to what you pay. Because we normalise every listing to the same 600mg dosage, the prices above are directly comparable. The cheapest option currently works out at around £0.01/mg, which is the figure worth anchoring on when you weigh up vials of different sizes. ## How we track L-Carnitine prices We continuously monitor L-Carnitine listings from 9 verified UK suppliers, recording every price change as it happens. Each price is converted to a per-milligram figure for the 600mg dosage so you're always comparing like for like, never headline numbers that hide a smaller vial. The comparison table updates automatically, and the 30-day chart above shows whether L-Carnitine is trending cheaper or more expensive — handy for deciding whether to buy now or wait. ## Is the cheapest L-Carnitine always the best buy? Not always. The lowest sticker price doesn't guarantee the lowest cost per milligram, and a vendor without third-party lab testing may not be the bargain it appears. When we rank value we look beyond price alone at: - **Purity and lab testing** — independent certificates of analysis confirming concentration and identity. - **Stock status** — an unbeatable price is no use if the product is out of stock. - **Delivery speed and cost** — free-shipping thresholds can flip which supplier is genuinely cheapest once postage is added. - **Reputation** — established vendors with verified reviews carry less risk. ## Tips for getting the best L-Carnitine price - **Compare the per-mg cost**, not just the headline price — larger 600mg vials are often better value than several small ones. - **Use discount codes** — some suppliers offer an extra percentage off at checkout, which can beat a lower sticker price elsewhere. - **Buy when the trend dips** — the 30-day chart shows the cheapest, average and highest price each day so you can time your order. - **Check the total cost** — factor in shipping and any free-delivery threshold before deciding. ## How much should you pay for L-Carnitine? As a rule of thumb, expect to pay around **£25.85** for the 600mg dosage, with the keenest UK pricing starting at **£6.00**. Anything close to **£51.53** is at the top of the current range — worth it only if it buys you faster delivery, a stronger guarantee, or verified testing you can't get cheaper elsewhere. > All peptides listed are for in-vitro laboratory research only. Peptide Supermarket is a price-comparison service and does not sell, supply, or ship any products. ### More ways to buy L-Carnitine - [L-Carnitine full price comparison](https://peptidesupermarket.co.uk/peptide/l-carnitine) - [Cheapest L-Carnitine Prices](https://peptidesupermarket.co.uk/cheapest-l-carnitine-prices) - [Where to Buy L-Carnitine](https://peptidesupermarket.co.uk/where-to-buy-l-carnitine) - [Buy L-Carnitine Online UK Cheap](https://peptidesupermarket.co.uk/buy-l-carnitine-online-uk-cheap) - [L-Carnitine Price Comparison](https://peptidesupermarket.co.uk/l-carnitine-price-comparison) - [L-Carnitine UK Supplier](https://peptidesupermarket.co.uk/l-carnitine-uk-supplier) - [L-Carnitine For Sale](https://peptidesupermarket.co.uk/l-carnitine-for-sale) ### Compare prices for other peptides - [Retatrutide](https://peptidesupermarket.co.uk/best-retatrutide-prices) - [GHK-Cu](https://peptidesupermarket.co.uk/best-ghk-cu-prices) - [BPC-157](https://peptidesupermarket.co.uk/best-bpc-157-prices) - [NAD+](https://peptidesupermarket.co.uk/best-nad-prices) - [Mots-C](https://peptidesupermarket.co.uk/best-mots-c-prices) - [Tirzepatide](https://peptidesupermarket.co.uk/best-tirzepatide-prices) ## Compare every L-Carnitine deal in one place Live prices from verified UK suppliers, updated continuously. 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