Life Extension L-Carnitine

Name: Life Extension L-Carnitine
Brand: Life Extension
SKU: 737870153238
Price: 14.94 GBP
Availability: InStock

Brands: Life Extension

£14.94

Life Extension's L-Carnitine, in a vcaps format that is easy to keep to session after session.

What it is

Moves long-chain fatty acids into the mitochondria as part of normal metabolism
Acetyl-L-carnitine (ALCAR) is the acetylated form

How to use

Take as directed on the pack.

Good to know

Format: vcaps
Caffeine free
Vegetarian-friendly capsule shell

A food supplement, not a substitute for a varied diet and healthy lifestyle. Do not exceed the stated dose. Keep out of reach of children.

Quantity

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Categories : Amino Acids & Recovery Supplements, Caffeine-Free Supplements, Everyday Health Supplements, L-Carnitine, Life Extension, Vegetarian Supplements, Weight Management Supplements, Workout Recovery Supplements

SKU: 737870153238

At a glance

£2.13

per daily dose

Limited

evidence for l-carnitine (incl. l-carnitine l-tartrate)

Our honest take

A 500 mg L-carnitine (tartrate) capsule in a small 30-capsule pot. The label suggests 4 capsules a day, so the pot lasts just over a week, which works out at around £2 a day. L-carnitine has little evidence for fat loss in healthy people who eat a normal diet, and the same ingredient is available here for a fraction of the cost, for example NOW's 500 mg capsules.

You specifically want Life Extension and are happy to take a lower dose than the label
You want a vegetarian capsule with no stimulants
You want value: this is one of the most expensive ways to buy L-carnitine
You are buying it for fat loss: the evidence does not support that
You take thyroid medication or warfarin, unless your GP agrees

The science

L-carnitine (incl. L-carnitine L-tartrate)· evidence: Limited

L-carnitine helps carry fats into cells to be used for energy. Your body makes its own, and meat and dairy supply more, so healthy people eating a normal diet are not short of it. Taking extra does not appear to raise the amount in muscle much, which is one reason it does not act as a 'fat burner'.

Reviews of the trials report a small average drop in weight (around 1 kg) compared with placebo, mostly in older or overweight people, often alongside a diet. There is little evidence of a meaningful effect on fat loss in healthy, active people with a normal diet. Small studies of L-carnitine L-tartrate have looked at muscle soreness after exercise, with mixed results.

There is no authorised health claim for L-carnitine, so we make no claims about its effects. Fat loss comes from a sustained calorie deficit, not from this ingredient.

Typical dose: Studies have typically used 1–3 g a day; liquids and capsules usually give 0.5–3 g per serving

Safety: Usually well tolerated at up to about 2 g a day. Higher doses can cause stomach upset, diarrhoea and a 'fishy' body odour. Speak to your GP first if you take thyroid medication or warfarin, have kidney disease, or have had seizures. Not recommended in pregnancy or breastfeeding without medical advice.

Research we looked at:
Pooyandjoo M et al. (2016). The effect of (L-)carnitine on weight loss in adults: a systematic review and meta-analysis of randomized controlled trials. Obes Rev 17(10):970–976.
Talenezhad N et al. (2020). Effects of L-carnitine supplementation on weight loss and body composition: a systematic review and meta-analysis of 37 randomized controlled clinical trials with dose-response analysis. Clin Nutr ESPEN 37:9–23.
EFSA NDA Panel (2011). Scientific opinion on the substantiation of health claims related to L-carnitine. EFSA Journal 9(6):2212.

Ingredients & nutrition

Ingredients: L-carnitine tartrate, vegetable cellulose (capsule), vegetable stearate, silica.

Per daily dose (4 capsules): L-carnitine 2,000 mg (500 mg per capsule).

Pack: 30 vegetarian capsules, 7 daily doses at the label dose.

Always check the pack you receive, as manufacturers sometimes update recipes.

How to use

The label suggests 1 capsule four times a day. Doses above about 2 g a day are more likely to upset the stomach. Do not exceed the stated daily dose.

Price per dose & how it compares

Product	Size	Price	Per daily dose
This product	500mg - 30 vcaps	£14.94	£2.13
NOW Foods L-Carnitine		from £8.59	£0.20
Nutrend Carnitine 100 000		from £17.99	£0.18
OstroVit L-Carnitine		from £9.37	–

Cost per daily dose lets you compare packs of different sizes fairly.Worked out from our current prices.

Food supplements should not replace a varied, balanced diet and healthy lifestyle. General information, not medical advice. Speak to your GP or pharmacist first if you are pregnant or breastfeeding, have a medical condition or take medication.