11 Best L-carnitines

*Editor’s Choice Review. About the selection criteria. This material is subjective, it is not an advertisement and does not serve as a guide to purchase. Before buying you need to consult with a specialist.

The modern market of sports nutrition is represented by a wide variety of supplements, and often not only for beginners but also for professional athletes it is difficult to decide which of them are more effective and give the best results, which to take for lean, which – during a diet, which will restore strength faster after intense exercise. L-carnitine, a natural substance that plays an important role in energy metabolism, has become very popular today. It transports fatty acids inside the cells to the mitochondria, where they are burned and energy is gained.

Who Should Take L-Carnitine? Athletes who are hard pressed during training and people who are on a diet. Not only does the supplement help process the fats already in the body. It prevents exposure to new food, enriches cells with oxygen, normalizes functioning of the liver, gastrointestinal tract, thyroid gland, increases the effectiveness and quality of exercise, reduces the recovery time after them.

How to choose the right L-carnitine

For positive results after using the supplement it is necessary to choose it correctly. What to Pay Attention to When Buying Dietary Supplements? We offer you several criteria that allow you to make your choice without any doubts.

  1. Composition. The supplement should be free of simple sugars and carbohydrates. The presence of preservatives is also unacceptable in a quality product. Sucralose or stevia can be used as a sweetener, but only in minimal amounts.
  2. Form of release. L-carnitine is produced as capsules, powder. It can also be purchased in liquid form or ampoules. The most convenient types of supplements are powder or capsules. These have the fewest additional ingredients, while liquids contain preservatives and sweeteners to improve shelf life and taste.
  3. Manufacturer. Many brands have already proven the effectiveness of their products. It is better to stop your choice on the well-known brands, additives which have been used by many athletes for years.
  4. Price.It depends on the form of the supplement. The tablets are affordable, but their speed of action is low. Liquids are the fastest-acting form, but they are also the most expensive.

Many people wonder what the difference between L-carnitine and carnitine is? Let’s break this down by providing a comparative analysis of each substance.

Type of Material




+ Super pure substance.

+ Natural Origin.

+ Variety of Forms.

+ High Biological Activity.

+ Fast Fat Disposal.

+ 100% digestible.

+ Intended for complex weight loss.

– Contraindications.


+ Synthetic.

+ Accelerates growth and increases body weight.

+ Prescribed for anorexia for weight gain.

– Small selection of formulas.

– Increased sensitivity to the product in many users.

Our article presents a rating of L-carnitine by popular sports nutrition manufacturers, which, according to athletes, have become the best among a large selection of supplements presented today.

Best L-Carnitine Ratings

Nominated byplaceproduct namePrice
The best L-carnitine in capsule and tablet form1SAN L-Carnitine Power690€
2Optimum Nutrition L-carnitine 500950€
The best L-carnitine in liquid form1ioTech L-carnitine 100000
  • quid
  • 1 040€
    2VP Laboratory L-Carnitine Concentrate1 840€
      tra-Pure Carnitin
    4Power System L-Carnitine Attack1 886€
    The best L carnitine powder1MyProtein Acetyl L Carnitine2 120€
  • Nutrabo
  • cs
  • 1 932€
    3PureProtein L-Carnitine531€
    Top L-Carnitine Ampoules1ioTech L-Carnitine amp
      e 2000
    1 040€

    Best L-carnitine capsules and tablets

    SAN L-Carnitine Power

    Rating: 4.9

    SAN L-Carnitine Power

    Popular supplement for athletes to help quickly burn subcutaneous fat without harming your health. It protects the brain from stressful influences, improves mood, concentration and memory. 1 capsule with 500 mg of L-carnitine. Numerous tests have proven that the product not only eliminates fat, but also promotes fast drying.

    The main source of L-carnitine is meat and fish, so the supplement is ideal for vegetarians – it does not contain any animal products.

    1 capsule three times a day with food or liquid. Users unanimously rated “five” for its effectiveness and quick action, and for the fact that the supplement does not contain any by-products: sugar, yeast, milk, fish, citrus.


    • The fastest way to convert fat into energy;
    • Suitable for vegetarians;
    • Normalizes cholesterol levels;
    • Improves memory;
    • Increases resistance to stress;


    • unidentified.

    Optimum Nutrition L-carnitine 500

    Rating: 4.8

    Optimum Nutrition L-carnitine 500

    The supplement increases endurance and concentration immediately after ingestion, allows for more intense workouts, promotes rapid transport of fatty acids into the mitochondria and their conversion into energy. It is not addictive as it does not stimulate the nervous system and has no side effects.

    L-carnitine 500 has beneficial effects on the cardiovascular system. It utilizes cholesterol, thereby reducing the risk of serious diseases. The substance is free of foreign substances. 1 capsule with 500 mg of L-carnitine. The product is suitable for complex weight loss during a strict diet.

    Sportsmen noted the fast effect, a good composition with a high concentration of L-carnitine, pleasant taste of the supplement, the optimal number of capsules in one package.


    • pure substance;
    • Convenient form of release;
    • Optimal content of the substance in 1 serving;
    • Prevention of cardiovascular disease;


    • none.

    Best L-Carnitine in Liquid Form

    BioTech L-carnitine 100000
  • quid
  • Rating: 4.9

    BioTech L-carnitine 100000<li></div><p>quid” src=”/wp-content/uploads/2023/03/18716666195791-8111.jpg” height=”444″ title=”BioTech L-carnitine 100000</p><li>quid”><p>First in this category is a product of a famous brand from the U.S., which has been producing high quality and highly effective supplements for over 20 years. The liquid form gives a more powerful effect on metabolism and allows for faster utilization of subcutaneous fat. The supplement prevents muscle damage after heavy loads, increases endurance, and helps recover faster after workouts.</p><p>The formula is enriched with vitamins B1, B3, B5, B6 to improve heart function and stimulate energy metabolism. The manufacturer guarantees the purity of the supplement without harmful ingredients. 1 measuring cap – 2000 mg of the substance.</p><p>Contains pantothenic acid, citric acid, niacin, green tea extract, and inulin. Sucralose is used as a sweetener.</p><h4>Advantages</h4><ul><li>immediate action;</li><li>vitaminized composition;</li><li>high concentration in 1 serving.</li><li>convenient to use;</li></ul><h4>Disadvantages</h4><ul><li>have not been revealed.</li></ul><h3>VP Laboratory L-Carnitine Concentrate</h3><p>Rating: 4.8</p><div style=VP Laboratory L-Carnitine Concentrate

    Effective fat burner contains ultra pure L-carnitine, which accelerates the conversion of fat into energy, promotes rapid weight loss in complex weight loss, is not addictive and has no side effects. VP Laboratory supplements contain a substance created by the Swiss Lonza brand, a doubtless leader in the production of safe and effective ingredients for sports nutrition.

    Before use, mix 10 ml of liquid with 200 ml of water and consume immediately before training or during exertion.

    According to reviews, the supplement significantly increases fat metabolism during running, swimming, and other anaerobic workouts. Many have commented on the pleasant sour taste without any chemical flavors, the large bottle size, and the concentrated composition of the product.


    • high volume;
    • concentrated composition;
    • Increased fat burning during cardio exercises;
    • convenience of use;
    • nice fruity flavors;


    • no detectable.

      tra-Pure Carnitin

    Rating: 4.7

    MuscleTech<ul></div><p>tra-Pure Carnitin” src=”/wp-content/uploads/2023/03/3916666195801-8011.jpg” height=”455″ title=”MuscleTech</p><ul>tra-Pure Carnitin”><p>L-carnitine from the American manufacturer MuscleTech takes third place in the category of the best liquid supplements. Thanks to this form, it is absorbed faster and more effectively during exercise, increasing its quality and effectiveness. The body receives 2000 mg of L-carnitine in a single dose.</p><p>The liquid may be mixed with juice or water before use or the supplement may be used pure. Recommended amount: 1-2 servings per day. The first is consumed half an hour before training, the second – after closing the protein-carbohydrate window (within 20-40 minutes after exercise).</p><p>The supplement has no side effects, does not affect the central nervous system, and has a pleasant taste. Athletes have confirmed its effectiveness and are advised to take those who have not yet decided on the choice.</p><h4>Advantages</h4><ul><li>highest absorption rate;</li><li>does not contain aspartame;</li><li>is not addictive;</li><li>pleasant taste;</li><li>Fast activation of fat burning;</li></ul><h4>Disadvantages</h4><ul><li>not identified.</li></ul><h3><p>L-Carnitine Attack</h3><p>Rating: 4.6</p><div style=Power System L-Carnitine Attack

    A liquid complex containing pure L-carnitine, guarana, and caffeine was developed to stimulate fat burning and increase stamina. Thanks to this composition, the effect of the drug increases, increases motivation to exercise, and improves metabolism.

    The product contains caffeine in a bound and free form. Powerful active stimulant relieves anxiety, reduces stress response, improves brain activity and enhances mood. Caffeine helps burn more calories and fat during exercise. Another important property is that it reduces appetite, which is especially important in complex weight loss.

    Athletes have commented only positively on the product. Complex with caffeine greatly accelerates fat burning and promotes faster weight loss.


    • fast-acting complex;
    • Greater calorie consumption;
    • enhances endurance and concentration;
    • relieves anxiety;
    • There are two forms of caffeine in the composition;


    • Caffeine can cause insomnia.

    The best L carnitine powder

    MyProtein Acetyl L Carnitine

    Rating: 4.9

    MyProtein Acetyl L Carnitine

    The first place in this rating category is taken by MyProtein, a well-known British manufacturer of sports nutrition, which not only improves the quality of exercise and promotes more intense burning of fat, but is also an effective remedy for the aging of the body. The supplement is recommended for people with neurological disorders, decreased physical and mental activity, depression.

    250g package contains 500 servings of pure Acetyl L-carnitine without any additional ingredients. Dissolve 1 1/2 scoops of powder for one application.

    Users noted the lack of preservatives and other undesirable ingredients. Powder, although inferior in speed to liquid forms, but it is the safest of them. In addition, one vial contains a large number of servings.


    • contains only L-carnitine;
    • Many servings in 1 package;
    • uniform weight loss;
    • Improves overall health;
    • Suspends age-related changes in the body;


    • have not been identified.

  • Nutrabo
  • cs
  • Rating: 4.8

    Carnibo<li></div><p>Nutrabo</p><li>cs” src=”/wp-content/uploads/2023/03/79316666195801-911.jpg” height=”424″ title=”Carnibo<li>c Nutrabo<li>cs”><p>The supplement is highly bioavailable, provides muscles with energy during exercise and throughout the day, optimizes metabolism, improves overall condition, and helps increase workout efficiency and reduce weight in a shorter time. In addition to this it has no contraindications and no side effects.</p><p>High concentration of L-carnitine accelerates fatty acid utilization and releases energy for activity during exercise. Herbal extracts are included in the formula. Green tea leaves are natural antioxidants, eliminate toxins, tone the body.</p><p>Garcinia cambogia fruit peel stimulates weight loss. Green coffee has a positive effect on the central nervous system and relieves anxiety.</p><h4>Advantages</h4><ul><li>improves the quality of exercise;</li><li>no contraindications;</li><li>Normalizes natural processes in the body;</li><li>Rapid fat burning;</li><li>increases activity;</li></ul><h4>Disadvantages</h4><ul><li>Not detectable.</li></ul><h3><p>ureProtein L-Carnitine</h3><p>Rating: 4.7</p><div style=PureProtein L-Carnitine

    The last in the rating of powdered supplements is Russian-made L-carnitine. It instantly improves mood, activity, and focus. It is recommended to take the supplement 15 minutes before training by dissolving 5 g (1 scoop) of powder in a glass of water.

    The product has a positive effect not only on the physical condition of the body. It improves memory and concentration. The product is safe because it does not include preservatives and other harmful ingredients.

    Choice of several supplements in different flavors: lemon, apple, wild berries, orange. The powder is highly soluble in liquid and can be taken with other sports nutrition.


    • non-toxic product;
    • increases stress tolerance;
    • antioxidant effect;
    • variety of flavors;
    • increase energy potential;


    • Contraindicated in cases of kidney and liver disease.

    Best L-carnitines in ampoule form

    BioTech L-Carnitine amp
      e 2000

    Rating: 4.9

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