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Amino acids & derivativesVegan

L Carnitine Amino Acid Powder, 500 g

£50.49 for 500 g at Myprotein. That works out at 10p per 1 g L-carnitine, which ranks it 1st of the 10 acetyl-L-carnitine products we price across 5 UK retailers.

What it really costs, per 1 g L-carnitine10pOne 1 g dose is our comparison unit for L-Carnitine. It is not a recommendation.

A day10p

A week71p

A month£3.03

A year£36.86

At one 1 g dose a day, this pack lasts 1.4 years. A month is 30 days, so twelve of them is not quite a year.

How we worked it out

Servings: 500 ÷ 0.5 per serving = 1000
In the pack: 1000 × 500 mg = 500 g
£50.49 ÷ 500 g × 1 g = 10.1p per 1 g L-carnitine
A week 10.1p × 7 = 71p · a month × 30 = £3.03 · a year × 365 = £36.86
Amount per serving: stated on the label.

The standard dose is a comparison unit, not a recommendation. Always confirm the price on the retailer's site. How we compare everything.

How it compares: acetyl-L-carnitine

All 10, ranked →

This productCheapest per 1 g L-carnitineMyprotein · 500 mg a serving · £3.03 a month · a pack lasts 1.4 years10pshown above

Acetyl L-Carnitine Capsules 500mgSimply Supplements · 500 mg a serving · £14.99 a month · a pack lasts 30 days50p£14.99View at Simply Supplements

Ranked purely by price per 1 g L-carnitine. 17 combination products also contain L-Carnitine.

On the label

L-Carnitine · Acetyl-L-carnitine (ALCAR): 500 mg per serving (stated on the label)
Pack: 500 g · 1,000 servings · 0.5 g a serving
Cost per serving: 5p (1000 servings in the pack)

More label details

Claimed on the listing: vegan, vegetarian
Barcode: 5055534302323
Sold by: Myprotein
What the listing says: “500g” · “Per 500mg Serving” · “of which L-Carnitine ; 340.0mg” · “N-Acetyl-L-Carnitine HCl ; 500.0mg”

Ingredients

N-Acetyl-L-Carnitine Hydrochloride.

From the Myprotein listing. Check the pack itself if you have an allergy: labels mark allergens in bold.

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Daily dosemgFordays

One 1 g dose is our comparison unit, not a recommendation.

Price history

1 price change since 3 October 2026. Checked on 18 days, most recently 20 October 2026.

Lowest recorded: £39.993 Oct
Highest recorded: £50.4913 Oct
First recorded: £39.993 Oct
Checked on: 18 dayssince 3 Oct

Pack price at each check.

13 Oct Up at Myprotein: £39.99 → £50.49 (+26%)
3 OctFirst checked at Myprotein: £39.99

Questions about this product

How much does Myprotein L Carnitine Amino Acid Powder cost per 1 g L-carnitine?

10p per 1 g L-carnitine, from £50.49 for 500 g at Myprotein, checked on 20 October 2026.

Is it the cheapest acetyl-L-carnitine in the UK?

Yes. Of the 10 we price across 5 UK retailers, this is the cheapest per 1 g L-carnitine.

How long does one pack last?

1.4 years at one 1 g dose. The pack holds 500 g in total.

About Myprotein

Founded 2004 · Manchester, England · Part of THG plc

Myprotein is a sports nutrition brand founded in 2004 by Oliver Cookson and bought in 2011 by The Hut Group, now the London-listed THG plc. It is based in Manchester and is part of THG's nutrition division.

All 558 Myprotein products, priced per dose Visit Myprotein (opens in a new tab)