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Acetyl-L-Carnitine 500 mg

The Vitamin Shoppe
4.8
★ ★ ★ ★ ★
(150 ratings)
Acetyl L-Carnitine 500 mg
Product Image
Score91

A clean, 500 mg Acetyl-L-Carnitine supplement focused on brain energy and cognitive support.

How scoring works
Quantity:60 Capsule(s) • (60 servings)
Goals:
Productivity Boost
Anti-Aging
Energy
Brain Health
Cognitive Support
Mental Focus
Metabolism Boost
Weight Loss

Score 91

A clean, 500 mg Acetyl-L-Carnitine supplement focused on brain energy and cognitive support.

How scoring works

Also available as

1 option
240 servings Acetyl L-Carnitine 500 mg • 240 Capsule(s) • 240 servings $50.00 ($0.20 per serving)
$24.99($0.41 per serving)
iHerb
$ 24.99
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Analysis

This product delivers 500 mg of Acetyl-L-Carnitine (ALCAR) in a stable hydrochloride form. ALCAR is specifically used for its ability to cross the blood-brain barrier and support cognitive energy. This simple approach is helpful for those who want to target cellular energy without other additives.

It fits anyone looking for baseline cognitive support or help with metabolic transport. The 60-count size is ideal for those wanting to test how carnitine affects their focus or energy levels. Because it is just one ingredient, it is very easy to add to an existing supplement stack.

Pros

  • Standard 500 mg dose for daily support
  • Uses stable HCl form of carnitine
  • No unnecessary ingredients
  • Easy to stack with other nutrients

Cons

  • Moderate price per serving
  • Limited to a 60-day supply

Warnings

  • Take on an empty stomach for best absorption
  • May cause mild energy lift; avoid taking late at night

Nutrient quality

93 Highest impact

The acetylated form of carnitine is recognized for superior absorption and neurological utility compared to standard carnitine. A 500mg dose provides a standard clinical amount for daily metabolic support.

Ingredient transparency

99 Highest impact

All information regarding the active ingredient and capsule composition is clearly detailed. Labels provide specific amounts for the single active component without ambiguity.

Customer satisfaction

90 Highest impact

User feedback is highly positive, reflecting consistent satisfaction with the product's quality. Although the review count is moderate, the average rating suggests reliable performance.

Value for money

77 High impact

Pricing is moderate but slightly higher than some budget-oriented competitors. The cost per serving reflects the quality standards of a established retailer.

Report analysis

Goals

Productivity Boost
Impact
Highest effect
A Goal FitA+ Strength of SupportC+ CoverageA+ Formula Quality

Acetyl-l-carnitine supports brain energy and focus by providing a source of mitochondrial fuel that crosses the blood-brain barrier. This may contribute to increased mental clarity and better cognitive function during periods of stress.

Providing 500mg per serving meets standard clinical thresholds for material impact on brain health. It appears well aligned for individuals seeking focused and reliable cognitive support.

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Anti-Aging
Impact
Highest effect
A Goal FitA+ Strength of SupportB- CoverageA+ Formula Quality

This capsule provides 500 mg of acetyl-L-carnitine to support mitochondrial energy production and age-related cognitive health. This compound is a bioavailable form of carnitine that specifically targets neurological resilience by crossing the blood-brain barrier.

By facilitating the transport of fatty acids into the mitochondria, this nutrient helps maintain cellular energy levels as metabolic efficiency declines over time. This approach appears well aligned with preserving mental focus and physical vitality through a restorative anti-aging protocol.

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Energy
Impact
Highest effect
A Goal FitA+ Strength of SupportC CoverageA+ Formula Quality

Acetyl-L-Carnitine supports the transport of fatty acids into the mitochondria for cellular energy production. This ingredient is particularly well-aligned for maintaining mental focus and physical stamina.

Acetylated forms provide superior bioavailability and the ability to cross the blood-brain barrier for cognitive support. High-dose capsules ensure a meaningful functional impact on metabolic pathways.

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Brain Health
Impact
Highest effect
A Goal FitA Strength of SupportC+ CoverageA+ Formula Quality

Targeted metabolic support enhances brain energy and helps maintain the health of neural membranes. This focused approach aids in supporting mental energy and overall cognitive function.

Acetyl-L-Carnitine is the sole active ingredient, provided in a 500mg dose. This form is specifically chosen for its ability to cross the blood-brain barrier more effectively than standard carnitine.

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Cognitive Support
Impact
Highest effect
A- Goal FitA- Strength of SupportC- CoverageA+ Formula Quality

Acetyl-L-carnitine provides targeted support for brain energy metabolism and mitochondrial health. Its ability to cross the blood-brain barrier may contribute to improved focus, mental clarity, and protection against age-related cognitive decline.

This 500mg clinical dose delivers a meaningful amount of the active compound for neurological support. This selection is a reliable and focused choice for individuals seeking to enhance cognitive resilience through mitochondrial energy.

View goal →
Mental Focus
Impact
Highest effect
B+ Goal FitB+ Strength of SupportC CoverageA+ Formula Quality

Features Acetyl-L-Carnitine, a form of carnitine that effectively crosses the blood-brain barrier to support mitochondrial energy. This amino acid derivative may contribute to increased mental clarity and focus by supporting acetylcholine production.

A single-ingredient approach provides a meaningful dose for cognitive enhancement without unnecessary additives. Reliable sourcing and clear labeling ensure the quality of this foundational neuro-nutrient for daily use.

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Ingredients

IngredientAmount per serving
Acetyl-L-Carnitine (Acetyl-L-Carnitine HCl)
 500 mg
Gluten Free Adults 18–50 Dairy Free Sugar Free
Report overview
Acetyl L-Carnitine (Acetyl-L-Carnitine HCl) · 500 mg OverallScore93
A Active Ingredient Quality & BioavailabilityA+ Dose, Safety & Label TransparencyB Value
A high-quality, single-ingredient supplement that provides a standard clinical dose of acetyl l-carnitine hydrochloride. It is a reliable and straightforward choice for those seeking the metabolic and cognitive benefits of carnitine at a moderate price point.
View ingredientView products
95 Value

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Acetyl-L-Carnitine 500 mg

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RegenerLife Watermelon

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Brain Cell Support

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Integrating citicoline, phosphatidylserine, and ginkgo alongside carnitine targets multiple pathways of cognitive function and neurological health. This complex formula is designed to support mental clarity and focus more broadly than standalone carnitine.
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96 Budget

Acetyl L-Carnitine 500 mg

Swanson
4.7
★★★★★
(605 ratings)
Supplying the same 500mg of Acetyl-L-Carnitine HCl, this bulk option provides a highly efficient way to maintain daily cognitive support. It offers the same purity and single-ingredient focus with a much lower cost for long-term use.
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95 Budget

Acetyl L-Carnitine 500 mg

Source Naturals
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(614 ratings)
Delivering an identical dose of the active ingredient, these tablets provide a reliable way to support mitochondrial energy production. The straightforward formulation ensures you receive the necessary metabolic support without paying a premium.
Other sellers (2)
96 Budget

Acetyl L-Carnitine 500 mg

Swanson
4.7
★★★★★
(596 ratings)
Choosing this larger container ensures a continuous supply of essential nutrients for brain vitality and focus. It maintains the standard clinical dosage in a stable form that is very cost-effective for daily metabolic protocols.
Other sellers (1)
95 Value

Acetyl L-Carnitine & Alpha-Lipoic Acid

Source Naturals
4.6
★★★★★
(1886 ratings)
Adding alpha-lipoic acid creates a synergistic effect that enhances mitochondrial energy transport and provides antioxidant protection. This dual-ingredient tablet offers significant nutritional advantages for metabolic goals at a competitive price.
Other sellers (2)
94 Value

Acetyl-L-Carnitine 500 mg

California Gold Nutrition
4.7
★★★★★
(3377 ratings)
Maintaining high standards for purity and customer satisfaction, this option provides a bioavailable source of carnitine to support focus and energy. It represents a sensible balance of quality manufacturing and affordability for daily use.
Other sellers (0)
95 Value

Acetyl L-Carnitine 500 mg

Source Naturals
4.7
★★★★★
(623 ratings)
Providing a stable tablet format with high marks for transparency, this formula supports neurological health and cellular efficiency. It offers a consistent, reliable source of carnitine that is often easier on the budget for regular supplementation.
Other sellers (3)
95 Performance

Optimized Carnitine

Life Extension
4.8
★★★★★
(1151 ratings)
Combining three distinct forms of carnitine, including arginate and propionyl forms, provides more comprehensive support for both cellular energy and heart health. This multi-form approach may improve overall uptake compared to a single-form hydrochloride version.
Other sellers (3)
93 Performance

RegenerLife Watermelon

Natural Factors
4.8
★★★★★
(437 ratings)
Pairing a high dose of carnitine with CoQ10 and glutathione offers robust support for mitochondrial health and systemic energy. The addition of antioxidant cofactors provides a more complete strategy for those focusing on vitality and healthy aging.
Other sellers (1)
92 Performance

Brain Cell Support

Metabolic Maintenance
4.8
★★★★★
(499 ratings)
Integrating citicoline, phosphatidylserine, and ginkgo alongside carnitine targets multiple pathways of cognitive function and neurological health. This complex formula is designed to support mental clarity and focus more broadly than standalone carnitine.
Other sellers (3)
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