Acetyl-L-Carnitine 500 mg
Thorne
Acetyl-L-Carnitine 500 mg
4.7
★ ★ ★ ★ ★
(1907 ratings)
Acetyl L-Carnitine 500 mg
Score 90.0
A premium, highly trusted Acetyl L-Carnitine supplement from a reputable brand, delivering an effective dose with extensive positive consumer feedback.
Quantity: 60 Capsule(s)Servings size: 1 Capsule(s) (60 servings)
Selected goals:
Other goals:
Brain Health
Energy
Mental Focus
Mood Support
Metabolism Boost
leaderboard Score 90.0
A premium, highly trusted Acetyl L-Carnitine supplement from a reputable brand, delivering an effective dose with extensive positive consumer feedback.
insights Analysis
Thorne's Acetyl-L-Carnitine offers a pure 500mg dose, which is widely recognized as an effective amount for supporting brain health, energy production, mental focus, mood, and metabolism. Thorne is highly respected for its commitment to quality, purity, and rigorous third-party testing, making it a preferred choice for many professionals and discerning consumers. Although its price per serving is slightly higher than some budget options, the exceptional brand reputation and overwhelmingly positive reviews (nearly 1900 reviews) strongly justify the premium, establishing it as a top-tier ALCAR supplement.
- Delivers an optimal and effective 500mg dose of Acetyl-L-Carnitine for broad-spectrum benefits.
- Comes from Thorne, a brand renowned for its stringent quality control, third-party testing, and hypoallergenic formulations.
- Boasts an extremely high volume of positive reviews, reflecting strong customer satisfaction and trust.
- The price per serving is on the higher side compared to generic or budget-friendly pure ALCAR alternatives.
- It is a single-ingredient product, which might not appeal to users seeking multi-compound formulations.
$24.02($0.40 per serving)
 iHerb | $ 24.02 | |
 Amazon | $ 29.60 | |
 Pure Formulas | $ 30.00 |
bolt Effectiveness for goals
Yes, Acetyl L-Carnitine is frequently investigated for its potential to support various aspects of cognitive function, including memory, attention, and executive function. It is believed to contribute by providing acetyl groups for acetylcholine synthesis and enhancing mitochondrial energy production in brain cells. Studies suggest benefits, particularly in aging populations or those experiencing cognitive decline.
Acetyl L-Carnitine (ALCAR) is primarily studied for its potential roles in supporting cognitive function, nerve health, and cellular energy metabolism. Research investigates its influence on mitochondrial function and its capacity to act as an antioxidant. It is also explored for its effects on mood and overall brain health.
Acetyl L-Carnitine is often recognized for its potential benefits in supporting cognitive function, particularly memory and focus. It is also explored for its role in nerve health and cellular energy production. Some research suggests it may contribute to antioxidant defense within the brain.
Acetyl L-Carnitine is researched for its potential to support nerve health and may play a role in nerve regeneration and protection. It is often studied in contexts involving peripheral neuropathies due to its ability to influence nerve growth factors and mitochondrial function. Its neuroprotective properties are a key area of scientific interest.
Some scientific studies indicate that Acetyl L-Carnitine may support cognitive function, especially in areas such as memory, learning, and attention. This effect is thought to be partly due to its influence on acetylcholine production, a key neurotransmitter. However, findings can vary, and more extensive research is ongoing.
schedule Dosage, timing & forms
Typical daily dosages for Acetyl L-Carnitine often range from 500 mg to 1,500 mg, sometimes split into multiple doses. Specific dosages can vary based on individual needs and product formulations. It's always advisable to refer to product labeling for guidance.
Acetyl L-Carnitine is frequently taken once or twice daily. Some individuals may opt for three smaller doses distributed throughout the day. It is advisable to follow the specific directions provided on the supplement's label.
While individual tolerance varies, daily dosages typically do not exceed 3,000 mg (3 grams) for most non-medical applications. Higher doses should only be considered under professional guidance. Always follow the product label's recommendations and consult with a healthcare professional for personalized advice.
Acetyl L-Carnitine can generally be taken with or without food. Some individuals prefer to take it with meals to minimize potential stomach discomfort, although this is not a universal requirement. Following the specific instructions on your product's label is advisable.
Acetyl L-Carnitine is commonly available in several forms, including capsules, tablets, and powders. Liquid formulations may also be found. The choice of form often depends on convenience and personal preference for consumption.
health_and_safety Safety & interactions
Common side effects may include mild gastrointestinal issues such as nausea, vomiting, stomach upset, heartburn, diarrhea, and a 'fishy' body odor. These effects are often mild and more likely at higher doses. If side effects persist or worsen, discontinuing use and consulting a healthcare provider is advisable.
Acetyl L-Carnitine may interact with certain medications, including blood thinners (like warfarin), thyroid hormones, and some anticonvulsants. These interactions could potentially alter medication efficacy or increase side effects. Consulting a healthcare professional before combining ALCAR with prescription drugs is recommended.
Acetyl L-Carnitine may interact with certain medications, including anticoagulants (blood thinners) and thyroid hormone medications. It might also potentially affect the efficacy of some seizure medications. Individuals on prescription drugs should consult their doctor or pharmacist before starting Acetyl L-Carnitine supplementation.
Mild side effects reported for Acetyl L-Carnitine can include stomach upset, nausea, vomiting, diarrhea, and a 'fishy' body odor. These effects are generally uncommon, especially at recommended dosages. If side effects persist or worsen, discontinuation and medical consultation are advisable.
Individuals with certain conditions, such as hypothyroidism, kidney disease, or a history of seizures, should exercise caution or avoid Acetyl L-Carnitine. It is recommended to discuss supplementation with a healthcare professional to assess potential risks. They can help determine if it is appropriate for your specific health situation.
Ingredients
| Ingredient | Amount per serving |
|---|---|
Acetyl-L-Carnitine | 500 mg |
Categories
Acetyl L-Carnitine 90.0
Represents an excellent choice within the Acetyl L-Carnitine collection due to its high quality, effective dosage, and strong brand credibility.
Goals
Energy 92.0
As a pure ALCAR product from a trusted brand, it efficiently aids the transport of fatty acids into mitochondria, optimizing cellular energy production.
Brain Health 90.0
Thorne's high-quality ALCAR effectively crosses the blood-brain barrier to support acetylcholine synthesis and mitochondrial function crucial for neuroprotection.
Mental Focus 90.0
The optimal ALCAR dose supports neurotransmitter levels, leading to enhanced concentration and sustained mental acuity.
Recommended Alternatives
75 Value 
Acetyl-L-Carnitine 500 mg
California Gold Nutrition
4.7
★★★★★
(3049 ratings)
This product offers the same 500mg dose of Acetyl-L-Carnitine Hydrochloride at a very competitive price point ($0.28 per serving), making it a great value for a straightforward and effective ALCAR supplement at nearly half the price of Thorne.
75 Value 
Acetyl-L-Carnitine
Seeking Health
4.9
★★★★★
(307 ratings)
Seeking Health provides a 500mg dose of Acetyl-L-Carnitine HCl for $0.27 per serving, representing a solid value from a trusted brand at a more competitive price point compared to Thorne.
78 Value 
Acetyl L-Carnitine & Alpha-Lipoic Acid
Source Naturals
4.6
★★★★★
(1770 ratings)
At $0.32 per serving, this product combines 500mg of ALCAR with 150mg of Alpha-Lipoic Acid, offering a powerful synergistic duo for mitochondrial health and antioxidant support at a highly competitive price, representing excellent value for a combined formula compared to a pure ALCAR product at Thorne's price.
88 Performance 
Optimized Carnitine
Life Extension
4.8
★★★★★
(1074 ratings)
Life Extension's product provides a more comprehensive carnitine blend, including a higher dose of Acetyl L-Carnitine (800mg) alongside other forms like Glycine Propionyl L-Carnitine, offering broader and potentially more potent benefits for energy and nerve health than a single ALCAR form.
80 Performance 
CoQ10 + Alpha Lipoic Acid + Acetyl L-Carnitine HCl
Nature's Lab
4.9
★★★★★
(29 ratings)
This alternative includes 500mg ALCAR but enhances its efficacy by synergistically combining it with 300mg Alpha Lipoic Acid and 200mg CoQ10, offering superior mitochondrial support, energy, and antioxidant benefits that a pure ALCAR product does not.
85 Performance 
Brain Cell Support
Metabolic Maintenance
4.7
★★★★★
(233 ratings)
While also containing 500mg of ALCAR, this product is 'better' due to its synergistic blend with other potent nootropics like Cognizin, DMAE, Ginkgo Biloba, and Phosphatidylserine, offering more targeted and comprehensive brain health support.
85 Budget 
Acetyl L-Carnitine 500 mg
Swanson
4.7
★★★★★
(520 ratings)
This Swanson product offers the exact same 500mg dose of ALCAR HCl at a significantly lower price per serving ($0.12 vs $0.50), making it a dramatically more affordable option for pure ALCAR supplementation.
85 Budget 
Acetyl L-Carnitine 500 mg
Swanson
4.7
★★★★★
(529 ratings)
Another highly affordable ALCAR option from Swanson ($0.13 per serving) that delivers a full 500mg dose, making it an incredibly cost-effective alternative for ALCAR supplementation.
78 Budget 
Acetyl L-Carnitine 500 mg
Source Naturals
4.7
★★★★★
(570 ratings)
Source Naturals offers 500mg of ALCAR HCl at a price of $0.21 per serving, providing a good balance of quality and affordability at less than half the price of Thorne.
75 Value
Acetyl-L-Carnitine 500 mg
California Gold Nutrition
4.7
★★★★★
(3049 ratings)
This product offers the same 500mg dose of Acetyl-L-Carnitine Hydrochloride at a very competitive price point ($0.28 per serving), making it a great value for a straightforward and effective ALCAR supplement at nearly half the price of Thorne.
75 Value
Acetyl-L-Carnitine
Seeking Health
4.9
★★★★★
(307 ratings)
Seeking Health provides a 500mg dose of Acetyl-L-Carnitine HCl for $0.27 per serving, representing a solid value from a trusted brand at a more competitive price point compared to Thorne.
78 Value
Acetyl L-Carnitine & Alpha-Lipoic Acid
Source Naturals
4.6
★★★★★
(1770 ratings)
At $0.32 per serving, this product combines 500mg of ALCAR with 150mg of Alpha-Lipoic Acid, offering a powerful synergistic duo for mitochondrial health and antioxidant support at a highly competitive price, representing excellent value for a combined formula compared to a pure ALCAR product at Thorne's price.
88 Performance
Optimized Carnitine
Life Extension
4.8
★★★★★
(1074 ratings)
Life Extension's product provides a more comprehensive carnitine blend, including a higher dose of Acetyl L-Carnitine (800mg) alongside other forms like Glycine Propionyl L-Carnitine, offering broader and potentially more potent benefits for energy and nerve health than a single ALCAR form.
80 Performance
CoQ10 + Alpha Lipoic Acid + Acetyl L-Carnitine HCl
Nature's Lab
4.9
★★★★★
(29 ratings)
This alternative includes 500mg ALCAR but enhances its efficacy by synergistically combining it with 300mg Alpha Lipoic Acid and 200mg CoQ10, offering superior mitochondrial support, energy, and antioxidant benefits that a pure ALCAR product does not.
85 Performance
Brain Cell Support
Metabolic Maintenance
4.7
★★★★★
(233 ratings)
While also containing 500mg of ALCAR, this product is 'better' due to its synergistic blend with other potent nootropics like Cognizin, DMAE, Ginkgo Biloba, and Phosphatidylserine, offering more targeted and comprehensive brain health support.