Size
BioTechUSA L-Carnitine
BioTechUSA's L-Carnitine, in a tablets 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
- Choose from 2 sizes: 30 tablets / 60 tablets
- Format: tablets
- Caffeine free
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.
At a glance
£0.28
per daily dose
Limited
evidence for l-carnitine (incl. l-carnitine l-tartrate)
Our honest take
One tablet gives 1,000 mg of L-carnitine L-tartrate, which provides 680 mg of L-carnitine, a simple one-a-day dose. L-carnitine has little evidence for fat loss in healthy people who eat a normal diet, because the body makes its own and meat supplies more; carnitine tartrate has been studied mainly for recovery after hard exercise, with modest results. There are no authorised claims. If you want to try it, the 60 pack is better value.
- You prefer tablets to capsules or liquids
- You want a stimulant-free product and accept the evidence for fat loss is weak
- You are buying it for fat loss: the evidence does not support that in healthy people
- You want a clearly labelled dose before you buy: check the pack with us first
- You take thyroid medication or warfarin, or are pregnant or breastfeeding, 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
Always check the pack you receive, as manufacturers sometimes update recipes.
How to use
Price per dose & how it compares
| Product | Size | Price | Per daily dose |
|---|---|---|---|
| This product | 30 tablets | £9.99 | £0.33 |
| This product | 60 tablets | £16.99 | £0.28 |
| NOW Foods L-Carnitine | from £8.59 | £0.20 | |
| OstroVit L-Carnitine | from £9.37 | – | |
| Nutrend Carnitine 100 000 | from £17.99 | £0.18 |
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.
BioTechUSA's L-Carnitine, in a tablets 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
- Choose from 2 sizes: 30 tablets / 60 tablets
- Format: tablets
- Caffeine free
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.
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