L-Carnitine 500 mg
Natural Factors
L-Carnitine 500 mg
4.7
★ ★ ★ ★ ★
(487 ratings)
L-Carnitine 500 mg
Score 75.0
A quality L-Carnitine Tartrate supplement from a reputable brand, suitable for general support, but its price per serving is higher than many comparable options.
Quantity: 60 Capsule(s)Servings size: 1 Vegetarian Capsule(s) (60 servings)
Selected goals:
Other goals:
Fitness
Heart Health
Cognitive Support
Weight Loss
leaderboard Score 75.0
A quality L-Carnitine Tartrate supplement from a reputable brand, suitable for general support, but its price per serving is higher than many comparable options.
insights Analysis
Natural Factors L-Carnitine 500 mg features L-Carnitine Tartrate, a well-absorbed and effective form of L-Carnitine, packaged in convenient capsules. While the 500mg dose is a good starting point for daily supplementation, it's consistent with many other products in the market. The brand, Natural Factors, is generally well-regarded for its quality control. However, with a price per serving of 29, it falls on the higher side when compared to similar L-Carnitine Tartrate products, potentially making it less competitive in terms of cost-effectiveness for long-term use.
- Uses L-Carnitine Tartrate, a well-absorbed and effective form.
- From Natural Factors, a brand with a good reputation for quality and natural ingredients.
- The 500mg dosage offers flexibility for individual needs.
- Higher price per serving (29) compared to many other 500mg L-Carnitine Tartrate supplements.
- Only 60 servings per bottle, requiring more frequent repurchases than larger quantities.
- Consult with a healthcare professional if you have a history of thyroid issues or are taking thyroid medication, as L-Carnitine may affect thyroid hormone levels.
- Mild gastrointestinal upset may occur, especially with sensitive individuals or higher doses.
$17.47($0.29 per serving)
 iHerb | $ 17.47 | |
 Amazon | $ 17.47 |
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 | 500 mg |
Categories
L-Carnitine 75.0
As an L-Carnitine Tartrate product, it delivers the benefits expected from this form. However, its higher price point within the category reduces its comparative standing against more competitively priced alternatives.
Goals
Fitness 75.0
The L-Carnitine Tartrate form supports post-exercise recovery and may aid in reducing muscle soreness. The 500mg dose is effective for consistent daily use, though higher doses are often employed for more intense training regimens.
Weight Loss 70.0
L-Carnitine's role in fat metabolism makes it a relevant supplement for weight loss. However, its efficacy is maximized when combined with a caloric deficit and regular exercise, and the 500mg dose might be insufficient on its own for significant impact.
Heart Health 65.0
While L-Carnitine generally contributes to metabolic support beneficial for heart health, this specific form is not as targeted for cardiovascular conditions as L-Carnitine Fumarate. Its utility here is more general than specific therapeutic.
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