Levocarnitine
Bio-Carnitine, Carnitor
Granskad av Sid DajaniSenast uppdaterad av Michael Stewart, MRPharmSLast updated 19 Jun 2023
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Levocarnitine is a supplement. It has been prescribed for you because your body has a shortage of carnitine. It will help to give you more energy.
Any side-effects tend to be mild. They include feeling sick (nausea), diarrhoea, and tummy (abdominal) discomfort.
At a glance
Levocarnitine is a carnitine supplement also known as L-carnitine.
It is used to treat carnitine deficiency, which can happen if your body does not produce enough.
Take levocarnitine exactly as your doctor tells you, usually 2-4 doses daily.
Side-effects can include feeling sick, tummy pain, diarrhoea, and body odour.
If you have kidney problems, diabetes, or epilepsy, tell your doctor before taking it.
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About levocarnitine
Typ av medicin | A carnitine supplement |
Används för | Carnitine deficiency |
Även kallad | L-carnitine or carnitine |
Tillgänglig som | Tablets, capsules, chewable tablets, oral liquid |
Carnitine is a substance which occurs naturally in your body. It is a type of protein. It helps your body turn fat into energy. Supplements of levocarnitine are given if you have low levels of carnitine for some reason. This may be because your body is not producing sufficient, or because your natural levels are reduced due to some treatment you are having.
Before taking levocarnitine
Tillbaka till innehållSome medicines are not suitable for people with certain conditions, and sometimes a medicine may only be used if extra care is taken. For these reasons, before you (or if appropriate, your child) start taking levocarnitine it is important that your doctor or pharmacist knows:
If you are pregnant or breastfeeding, although carnitine is not known to be harmful to babies.
Om du har några problem med hur dina njurar fungerar.
If you have high blood sugar levels (diabetes mellitus).
If you have epilepsy or have ever had a fit (seizure) before.
If you are taking warfarin as you may need additional blood tests.
Om du tar några andra läkemedel. Detta inkluderar alla läkemedel du tar som finns att köpa utan recept, samt växtbaserade och komplementära läkemedel.
Om du någonsin har haft en allergisk reaktion mot en medicin.
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How to take levocarnitine
Tillbaka till innehållBefore you start this treatment, read the manufacturer's printed information leaflet from inside your pack. It will give you more information about levocarnitine and will provide you with a full list of side-effects which you may experience from taking it.
Take levocarnitine exactly as your doctor tells you to. It is usual to take 2-4 doses each day. Your doctor or pharmacist will tell you what dose is right for you, and this will also be printed on the label of the pack to remind you. The amount may vary from time to time depending on how you respond to the treatment.
There are a number of different forms of levocarnitine available - you may be supplied with tablets, capsules or oral liquid medicine. Check the directions on the label to see how you should take your supply. Some tablets should be swallowed whole with a drink of water; other tablets should be chewed before they are swallowed.
Try to get into the habit of taking your doses at the same times of day each day. This will help you to remember to take your doses regularly.
If you do forget a dose, take it as soon as you remember. Try to take the correct number of doses each day, but do not take two doses together to make up for a forgotten dose.
Få ut det mesta av din behandling
Tillbaka till innehållTry to keep your regular appointments with your doctor. This is so your doctor can check on your progress. You may need to have regular blood and urine tests to check the amount of medicine in your body.
If you are taking warfarin, levocarnitine may affect your INR results. Let your doctor or clinic know that you are taking levocarnitine supplements.
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Can levocarnitine cause problems?
Tillbaka till innehållAlong with their useful effects, most medicines can cause unwanted side-effects although not everyone experiences them. The table below contains some of the most common ones associated with levocarnitine. You will find a full list in the manufacturer's information leaflet supplied with your medicine. The unwanted effects often improve as your body adjusts to the new medicine, but speak with your doctor or pharmacist if any of the following continue or become troublesome.
Levoc arnitine side-effects (very rare - these affect fewer than 1 in 10,000 people) | Vad kan jag göra om jag upplever detta? |
Känna sig illamående (nausea) eller kräkas (vomiting), magont (abdominal smärta) | Stick to simple meals - avoid rich or spicy food |
Diarré | Drink plenty of water to replace lost fluids |
Body odour | If this becomes troublesome, speak with your doctor |
If you experience any other symptoms which you think may be due to the medicine, speak with your doctor or pharmacist.
How to store levocarnitine
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Förvara på en sval, torr plats, borta från direkt värme och ljus.
Viktig information om alla läkemedel
Tillbaka till innehållViktig information om alla läkemedel
Om du köper några mediciner, kontrollera med en apotekare att de är säkra att ta tillsammans med dina andra mediciner.
Om du ska genomgå en operation eller tandbehandling, informera den som utför behandlingen om vilka mediciner du tar.
Ta aldrig mer än den föreskrivna dosen. Om du misstänker att du eller någon annan kan ha tagit en överdos av denna medicin, gå till akutmottagningen på ditt lokala sjukhus. Ta med behållaren, även om den är tom.
Denna medicin är för dig. Ge den aldrig till andra människor även om deras tillstånd verkar vara detsamma som ditt.
Behåll inte föråldrade eller oönskade mediciner. Ta dem till ditt lokala apotek som kommer att ta hand om dem åt dig.
Om du har några frågor om denna medicin, fråga din apotekare.
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Vanliga frågor
What is levocarnitine and why might I need to take it?
Levocarnitine is a natural substance in your body, a type of protein, that helps convert fat into energy. You might need to take levocarnitine supplements if your body isn't producing enough of it, or if your natural levels are reduced due to a specific medical treatment.
Are there different forms of levocarnitine, and how do I know which one to take?
Yes, levocarnitine is available in several forms, including tablets, capsules, and oral liquid. Your doctor or pharmacist will prescribe the specific form that is right for you. Always check the directions on your medicine's label, as some tablets might need to be swallowed whole, while others are chewable.
What should I do if I miss a dose of levocarnitine?
If you forget to take a dose, take it as soon as you remember. It's important to try and take the correct number of doses each day. However, you should not take two doses together to make up for a forgotten one.
Are there any conditions that would prevent me from taking levocarnitine, or require extra caution?
Before starting levocarnitine, your doctor or pharmacist needs to know if you have kidney problems, high blood sugar (diabetes mellitus), or epilepsy. Extra care is also needed if you are taking warfarin, as you might require additional blood tests. Although not known to be harmful, tell your doctor if you are pregnant or breastfeeding. Also, mention any known allergies to medicines.
What are the common side-effects of levocarnitine?
The most common side-effects, though very rare (affecting fewer than 1 in 10,000 people), include feeling sick (nausea) or being sick (vomiting), tummy pain, diarrhoea, and body odour. If you experience feeling sick or tummy pain, try sticking to simple meals. For diarrhoea, drink plenty of water to replace lost fluids. If body odour becomes troublesome, speak with your doctor.
How should I store my levocarnitine medicine?
Always keep all medicines, including levocarnitine, out of the reach and sight of children. Store it in a cool, dry place, away from direct heat and light.
Vidare läsning och referenser
- Manufacturer's PIL, Carnitor® 1 g Chewable Tablets; Logixx Pharma Solutions Ltd, The electronic Medicines Compendium. Dated May 2017.
- Manufacturer's PIL, Levocarnitine Paediatric 30% Oral Solution; Cenote Pharma Ltd, The electronic Medicines Compendium. Dated February 2023.
- Mediciner Komplett BNF 89:e Utgåvan; Brittiska Läkarföreningen och Kungliga Farmaceutiska Sällskapet i Storbritannien, London.
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About the authorView full bio

Michael Stewart, MRPharmS
Medicine Leaflet Review Manager – Contractor, Pharmacist
BPharm (Hons), MRPharmS
Michael is a community pharmacist practicing in the Midlands and South Yorkshire with more than 20 years’ experience advising on medicines and medical conditions. He has a strong background in healthcare training, having produced and delivered training courses for pharmacy teams and staff of residential care settings, including nurses. He has also contributed to pharmacy advisory boards for the management of low acuity conditions in the community.
About the reviewer

Sid Dajani
Sultan Dajani qualified at the London School of Pharmacy in 1994 and became the youngest elected member of the Royal Pharmaceutical Society council since its founding in 1842.
Artikelhistorik
Informationen på denna sida är skriven och granskad av kvalificerade kliniker.
Next review due: 18 Jun 2026
19 Jun 2023 | Senaste versionen

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