L-Carnitine
Thorne
L-Carnitine
4.8
★ ★ ★ ★ ★
(266 ratings)
L-Carnitine 330 mg
Score 89.0
A premium, ultra-pure L-Carnitine Tartrate supplement from a highly trusted professional brand, ideal for those prioritizing ingredient quality and hypoallergenic formulations.
Quantity: 60 Capsule(s)Servings size: 1 Capsule(s) (60 servings)
Selected goals:
Other goals:
Fitness
Heart Health
Cognitive Support
Weight Loss
leaderboard Score 89.0
A premium, ultra-pure L-Carnitine Tartrate supplement from a highly trusted professional brand, ideal for those prioritizing ingredient quality and hypoallergenic formulations.
insights Analysis
Thorne L-Carnitine contains 330mg of L-Carnitine L-Tartrate, a highly absorbable and effective form of L-Carnitine. Thorne Research is renowned for its commitment to hypoallergenic formulas, rigorous quality control, and clinical research, making its products a go-to for many nutritionists and medical professionals. While the 330mg dosage is lower than many mass-market L-Carnitine supplements, it allows for precise dosing and can be effectively utilized for general metabolic support. The higher price per serving reflects Thorne's premium quality, purity, and lack of unnecessary additives, which are key selling points for individuals with sensitivities or those seeking high-standard supplementation.
- Exceptional purity and quality, from a brand highly trusted by healthcare professionals.
- L-Carnitine L-Tartrate is a highly bioavailable form.
- Hypoallergenic formulation, free from many common allergens and additives.
- Allows for precise and flexible dosing with 330mg capsules.
- Higher price per serving (65) compared to most L-Carnitine products, reflecting its premium positioning.
- The 330mg dosage is lower than many L-Carnitine supplements, often requiring multiple capsules for higher therapeutic effects.
- Lower review count compared to mass-market brands, indicative of a more niche, professional audience.
- As with other L-Carnitine supplements, consult a healthcare professional if you have a thyroid condition or are taking related medications.
- While generally well-tolerated due to its purity, some individuals might still experience mild digestive upset with new supplementation.
$39.00($0.65 per serving)
 iHerb | $ 39.00 |
bolt Effectiveness for goals
Some research suggests that L-Carnitine supplementation may have a modest effect on weight reduction, particularly in overweight or obese individuals. However, the evidence is mixed, and its impact is often small when used alone. It is generally considered to be more effective when combined with diet and exercise.
Some studies indicate L-Carnitine may support endurance exercise and post-exercise recovery by potentially reducing muscle damage and soreness. However, the effects on overall athletic performance, particularly in well-trained athletes, are often modest and not consistently observed. Benefits may depend on dosage, duration, and individual baseline carnitine levels.
Studies on L-Carnitine's impact on exercise performance are inconsistent. While some research indicates potential benefits for endurance and reducing muscle fatigue, especially in individuals with low carnitine levels, other studies show no significant improvement in healthy, well-nourished athletes. The effects may depend on the type of exercise and individual status.
Some research suggests that L-Carnitine supplementation may contribute to reduced muscle damage and soreness following intense exercise. This effect is thought to be related to its role in energy metabolism and potentially mitigating oxidative stress. However, results can vary, and more extensive research is ongoing.
L-Carnitine plays a crucial role in cellular energy production by transporting fatty acids into the mitochondria, where they are oxidized for energy. While essential for this process, supplementing L-Carnitine in healthy individuals with adequate dietary intake typically does not lead to a noticeable increase in energy levels. Its impact on energy is more significant in cases of carnitine deficiency.
schedule Dosage, timing & forms
Typical daily dosages for L-Carnitine can vary based on the specific form and the intended use. For L-Carnitine L-Tartrate, common doses range from 1,000 to 4,000 mg per day, often divided. Acetyl-L-Carnitine dosages might range from 500 to 2,000 mg daily. It's important to consult product labels for specific recommendations.
Common daily dosages for L-carnitine supplements typically range from 500 mg to 2000 mg (2 grams) per day. The specific amount can depend on the form of carnitine and the intended purpose. It is often recommended to divide the dose into multiple servings throughout the day.
L-Carnitine is available in several forms, including L-Carnitine base, Acetyl-L-Carnitine (ALCAR), L-Carnitine L-Tartrate (LCLT), and Propionyl-L-Carnitine (GPLC). Each form may have slightly different properties or target applications within the body. These forms can be found in capsules, tablets, powders, or liquid solutions.
L-Carnitine supplements are available in several forms, including L-Carnitine, Acetyl-L-Carnitine (ALCAR), L-Carnitine L-Tartrate (LCLT), and Propionyl-L-Carnitine (GPLC). Each form is often associated with slightly different physiological effects or absorption profiles. The choice of form may depend on specific health goals.
Acetyl-L-Carnitine (ALCAR) is an ester form of L-Carnitine that can cross the blood-brain barrier, leading to different applications, particularly for cognitive support. Typical daily dosages for ALCAR generally range from 500 to 2,000 mg. This dosage range can be lower than some L-Carnitine L-Tartrate recommendations, as its specific uses may require less total carnitine.
health_and_safety Safety & interactions
Yes, L-Carnitine can potentially interact with certain medications. Examples include thyroid hormone, anticoagulant drugs (blood thinners), and some seizure medications. It is important to consult a healthcare provider if you are taking prescription drugs.
L-Carnitine is generally well-tolerated, but some individuals may experience mild gastrointestinal upset, such as nausea, vomiting, abdominal cramps, or diarrhea. A "fishy" body odor has also been reported, particularly with higher doses. These effects are usually transient and mild.
L-Carnitine may potentially interact with certain medications, including anticoagulants like warfarin, thyroid hormones, and some anticonvulsants such as valproic acid. These interactions could alter medication effectiveness or increase side effects. It is advisable to consult a healthcare professional before taking L-Carnitine if you are on medication.
Individuals with a history of seizures, hypothyroidism, or kidney disease should consult a healthcare provider before using L-Carnitine. Those with a rare genetic disorder called trimethylaminuria should also avoid it due to potential odor issues. Pregnant or breastfeeding women are generally advised to consult their doctor.
Individuals with certain conditions like hypothyroidism, kidney disease, or seizure disorders should use L-Carnitine with caution or avoid it unless under medical supervision. People with a history of an allergic reaction to L-Carnitine should also avoid its use. Always discuss any underlying health conditions with a healthcare provider.
Ingredients
| Ingredient | Amount per serving |
|---|---|
| L-Carnitine (L-Carnitine L-Tartrate) | 330 mg |
Categories
L-Carnitine 90.0
Within the L-Carnitine category, Thorne stands out for its uncompromising quality and purity standards, making it a top-tier choice for those who prioritize clean and professional-grade supplements above all else.
Goals
Heart Health 80.0
L-Carnitine generally supports cardiovascular function, and Thorne's high-quality L-Carnitine L-Tartrate is a reliable choice for general heart health support, though L-Carnitine Fumarate might be more specifically indicated for certain cardiac conditions.
Fitness 75.0
The L-Carnitine L-Tartrate form supports muscle recovery and energy production for fitness goals. While the 330mg dose is lower than typical performance doses, its purity ensures optimal utilization, and multiple capsules can be taken for higher needs.
Cognitive Support 70.0
While this form can indirectly support brain energy through overall metabolic efficiency, Acetyl-L-Carnitine (ALCAR) is the more appropriate form for direct cognitive enhancement due to its ability to cross the blood-brain barrier more effectively than L-Carnitine L-Tartrate.
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