Acetyl L-Carnitine Caps 500 mg
Goals
$32.88 $0.27 per serving
Product analysis
Acetyl L-Carnitine Caps 500 mg combines acetyl L-carnitine with vitamin B6 to support normal energy processes. Extra energy or sharper thinking in healthy adults remains uncertain, so expectations should stay modest.
AI assessment of the formula, label and price. How scoring works
Nutrient Quality38
The main acetyl L-carnitine and vitamin B6 forms are identified, but their quality remains uncertain. The chloride source is unspecified, leaving a further limit on comparison.
Ingredient Transparency88
Amounts and the main ingredient forms are stated, making much of the formula easy to check. The chloride form remains unspecified.
Value For Money64
Acetyl L-carnitine offers reasonably favorable value for its amount. Vitamin B6 value is uncertain, so its contribution cannot strengthen the buying case confidently.
Customer Satisfaction69
Customer ratings are strongly favorable, but feedback comes from a small group of buyers. That makes the satisfaction pattern less dependable.
Product Focus60
The ingredients have roles in normal energy and brain processes. Those roles do not establish better everyday focus or energy in healthy, adequately nourished adults.
- Format
Capsule - Container
- 120 Capsule(s)
- Per serving
- $0.27
- Customer rating
- 4.6 · 104 ratings
Goals
Impact
High effect
Acetyl L-Carnitine · 500 mg
Vitamin B6 supports nutritional adequacy and can help tiredness associated with deficiency. Acetyl L-carnitine receives a saved contribution, but the supplied fatigue evidence concerns adults over 70 meeting clinical fatigue criteria, which does not establish routine energy benefits from this 500 mg serving. The hydrochloride declaration also does not establish equivalence to free acetyl L-carnitine exposure.
How this product is rated for Energy
Ingredient fit67
Both ingredients receive contributions, with partial amount recognition for acetyl L-carnitine and full recognition for vitamin B6.
Goal fit
Relevant ingredients contribute within a broader formula that is less focused on energy.
Dose adequacy
The declared serving amount receives partial recognition, without establishing a proven fatigue-treatment dose.
Pathways40
Mitochondrial energy production is the only evaluated pathway receiving a contribution.
Depth
Mitochondrial energy production is the strongest and only contributing pathway.
Breadth
Only one evaluated pathway meets the breadth threshold.
Evidence95
Acetyl L-carnitine leads the saved evidence finding, but the clinical population and material distinctions limit its practical interpretation.
Evidence strength
Acetyl L-carnitine leads the finding, with fatigue evidence restricted to a selected older clinical population.
Studied preparation
The saved finding recognizes the preparation; hydrochloride mass is not automatically equivalent to free acetyl L-carnitine.
Formulation logic100
Both counted ingredients contribute independently, with no configured conflict matched.
Partner coverage
Each counted ingredient can contribute independently; no required partner is missing.
Conflicts
No configured ingredient conflict was matched.
Effective doses
Each counted ingredient meets the amount inclusion criterion, which is not a clinically proven benefit threshold.
Impact
Moderate effect
Vitamin B6 · 8.5 mgAcetyl L-Carnitine · 500 mgAcetyl L-Carnitine · 500 mg
Acetyl L-carnitine at 500 mg relates to cellular energy processes, but the supplied fatigue evidence does not transfer well to healthy adults doing everyday work. Vitamin B6 supports normal neurotransmitter function, without established extra productivity benefits when nutritional needs are already met.
How this product is rated for Productivity Boost
Ingredient fit62
The saved findings identify 2 relevant ingredients alongside 1 other active ingredients (Chloride). The saved amount assessment is partial; undisclosed individual amounts reduce certainty about the contribution.
Goal fit
The saved findings identify 2 relevant ingredients alongside 1 other active ingredients (Chloride).
Dose adequacy
The saved amount assessment is partial; undisclosed individual amounts reduce certainty about the contribution.
Pathways14
The strongest assessed area is brain energy buffering, with limited coverage. 0 of 3 assessed target areas reach the saved coverage threshold.
Depth
The strongest assessed area is brain energy buffering, with limited coverage.
Breadth
0 of 3 assessed target areas reach the saved coverage threshold.
Evidence67
Acetyl L-Carnitine is the strongest evidence contributor at an eligible amount in the saved findings; that comparison does not establish improved work output. The eligible ingredients match the preparations accepted in the saved assessment.
Evidence strength
Acetyl L-Carnitine is the strongest evidence contributor at an eligible amount in the saved findings; that comparison does not establish improved work output.
Studied preparation
The eligible ingredients match the preparations accepted in the saved assessment.
Formulation logic100
The assessed ingredients can contribute alone or have their required partners. No configured ingredient conflicts were identified in the supplied facts. 2 of 2 assessed ingredients meet the saved minimum amount threshold.
Partner coverage
The assessed ingredients can contribute alone or have their required partners.
Conflicts
No configured ingredient conflicts were identified in the supplied facts.
Effective doses
2 of 2 assessed ingredients meet the saved minimum amount threshold.
Impact
High effect
Vitamin B6 · 8.5 mgAcetyl L-Carnitine · 500 mg
Acetyl L-carnitine has roles in cellular energy and acetylcholine biology. Those mechanisms do not establish better acute focus in healthy adults, and the supplied clinical context concerns a different population and prolonged use. Its inclusion in the saved findings therefore should not be read as demonstrated everyday concentration enhancement.
How this product is rated for Mental Focus
Ingredient fit63
Acetyl L-Carnitine, Vitamin B6 underpin this product’s connection to focus. Some amounts provide only a partial match to the saved comparison ranges.
Goal fit
The formula includes ingredients aimed at other purposes, so its focus connection is less concentrated.
Dose adequacy
The included amounts only partly meet the saved reference ranges for the relevant ingredients.
Pathways40
The main mapped contribution is cerebral energy supply. The mechanism alone does not establish an acute focus benefit.
Depth
Cerebral energy supply is the strongest mapped route, with partial coverage. That biological connection does not itself demonstrate acute focus improvement.
Breadth
The meaningful mapped contribution is concentrated in one route, with limited breadth across other aspects of focus.
Evidence83
The supplied evidence is limited for immediate everyday focus, despite the biological roles reflected in the saved findings.
Evidence strength
The leading ingredient supplies the evidence finding, but the supplied science does not establish routine acute focus enhancement.
Studied preparation
The included preparations match those accepted in the saved comparison; this does not extend the trials to different outcomes or populations.
Formulation logic100
The included ingredients have no identified configured conflict. No required partner is missing.
Partner coverage
No required partner is missing for the included ingredients.
Conflicts
No configured ingredient conflict was identified in the supplied findings.
Effective doses
The included ingredients meet the saved minimum amount threshold; that threshold is not a demonstrated effective dose for acute focus.
Impact
High effect
Vitamin B6 · 8.5 mgAcetyl L-Carnitine · 500 mg
B6 supports neurotransmitter production, while acetyl L-carnitine has an acetyl-donor and brain-energy connection. These mechanisms do not establish improved focus or memory in adequately nourished, healthy adults. The supplied acetyl L-carnitine cognitive evidence comes from disease cohorts and cannot be transferred to routine use; its 500 mg per serving receives only partial saved exposure recognition.
How this product is rated for Cognitive Support
Ingredient fit68
B6 and acetyl L-carnitine receive recognition, with chloride counted outside the goal. Their amounts provide partial overall exposure recognition.
Goal fit
The two recognized ingredients connect to the goal, with chloride counted as an off-goal active and several linked purposes.
Dose adequacy
Both amounts receive partial overall exposure recognition; acetyl L-carnitine's generic exposure curve does not establish healthy-adult benefit.
Pathways40
The saved pathway finding is limited to cerebral energy buffering through acetyl L-carnitine. A brain-energy role does not establish improved cognition.
Depth
Cerebral energy buffering is the strongest represented pathway, with partial coverage.
Breadth
Only cerebral energy buffering reaches the saved coverage threshold.
Evidence100
B6 leads the saved evidence comparison, and both included preparations pass its check. Acetyl L-carnitine's disease-cohort evidence limits healthy-adult claims.
Evidence strength
B6 leads the evidence finding, though its normal nutrient function does not establish cognitive enhancement.
Studied preparation
Both recognized ingredients pass the preparation comparison, without transferring disease-cohort findings to healthy adults.
Formulation logic100
Both recognized ingredients meet the minimum exposure threshold, with no missing partner or listed conflict.
Partner coverage
Neither credited ingredient lacks a required partner.
Conflicts
No listed ingredient conflict was found.
Effective doses
Both recognized ingredients reach the minimum exposure threshold, without establishing proven cognitive doses.
Impact
High effect
Vitamin B6 · 8.5 mg
Vitamin B6 contributes to normal nutritional needs, with relevance when intake is low rather than established cognitive enhancement with adequate intake. Acetyl L-carnitine is linked to brain energy processes, but disease-population findings do not establish better cognition in healthy adults. Both supplied serving amounts make partial contributions in the saved comparison.
How this product is rated for Brain Health
Ingredient fit62
The serving amounts provide partial contributions; unknown individual quantities cannot establish an amount-based contribution.
Goal fit
The relevant ingredients sit within a broader formula containing ingredients aimed at other uses.
Dose adequacy
The serving amounts provide partial contributions; unknown individual quantities cannot establish an amount-based contribution.
Pathways19
The strongest saved finding concerns cerebral energy metabolism; that connection does not by itself establish a noticeable cognitive benefit.
Depth
The strongest saved finding concerns cerebral energy metabolism; that connection does not by itself establish a noticeable cognitive benefit.
Breadth
No listed function reaches the saved comparison's coverage threshold at these serving amounts.
Evidence92
The saved comparison recognizes the included forms, without establishing that the entire product or its serving schedule was tested.
Evidence strength
Vitamin B6 provides the strongest saved evidence contribution among the included ingredients; its specific population and benefit limitations still apply.
Studied preparation
The saved comparison recognizes the included forms, without establishing that the entire product or its serving schedule was tested.
Formulation logic100
The supplied comparison finds no missing required partners or matched conflicts. Amount limitations are reflected separately.
Partner coverage
The included contributions have no missing required partner in the supplied comparison; this does not establish added benefit from combining them.
Conflicts
No configured conflict was matched in the supplied facts.
Effective doses
All counted ingredients clear the saved minimum amount threshold; that threshold is not a proven effective dose for an individual.
Impact
High effect
Vitamin B6 · 8.5 mgAcetyl L-Carnitine · 500 mg
Vitamin B6 supports normal protein and glycogen metabolism, while acetyl L-carnitine has a fatty-acid transport role. These physiological functions do not establish that extra supplementation increases whole-body energy expenditure in adults with adequate intake. The saved result records only a small mitochondrial connection from acetyl L-carnitine, without preparation-specific support for thermogenesis. Neither its 500 mg per serving nor the B6 amount establishes an effective metabolism-boosting dose.
How this product is rated for Metabolism Support
Ingredient fit78
The ingredients receive recognition for their connection and amounts in the saved findings. Normal nutrient functions and comparison amounts do not establish a metabolic-rate increase.
Goal fit
Recognised ingredients share this formula with other actives, giving it a broader focus than metabolic rate alone.
Dose adequacy
The counted ingredients provide partial reference amounts overall; those comparisons do not establish proven thermogenic doses.
Pathways2
The recorded connection centres on mitochondrial energy and fat oxidation, without establishing a measured rise in whole-body energy expenditure.
Depth
The recorded connection centres on mitochondrial energy and fat oxidation, without establishing a measured rise in whole-body energy expenditure.
Breadth
None of the evaluated routes has substantial recorded coverage, so broad support for increased energy expenditure is absent.
Evidence91
Vitamin B6 leads the recorded evidence finding, but its normal metabolic role or other study outcomes do not establish thermogenesis.
Evidence strength
Vitamin B6 leads the recorded evidence finding, but its normal metabolic role or other study outcomes do not establish thermogenesis.
Studied preparation
Acetyl L-Carnitine lacks a studied-preparation match; the other counted ingredients receive that recognition.
Formulation logic100
The counted ingredients have no missing required partners or identified conflicts among those evaluated. Their amounts meet the minimum comparison.
Partner coverage
No required ingredient partner is missing for the counted ingredients.
Conflicts
None of the evaluated conflicts was identified; the finding does not cover every possible interaction.
Effective doses
All counted ingredients meet the minimum amount comparison; that does not establish a proven thermogenic dose.
Ingredients
| Ingredient | Amount per serving | Score |
|---|---|---|
Vitamin B6 (Pyridoxine Hydrochloride) | 8.5 mg | |
Chloride | 90 mg | |
Acetyl L-Carnitine (Acetyl L-Carnitine Hydrochloride) | 500 mg |
Each serving provides 500 mg of acetyl L-carnitine HCl, with the amount clearly stated. The whole-product cost works out to about $0.27 per 500 mg of acetyl L-carnitine.
How this ingredient is rated
Active Ingredient Quality & Bioavailability94
The identified carnitine form is acetyl L-carnitine HCl. A manufacturing or purity-testing claim is recorded, but it has not been independently verified.
ALCAR vs. Standard Carnitine Form
Acetyl L-carnitine is the only carnitine form identified in the saved facts.
Advanced Sourcing and Salt Specificity
The saved facts identify the HCl form. A manufacturing or purity-testing claim is recorded, but it has not been independently verified.
Dose, Safety & Label Transparency100
The stated amount is 500 mg per serving.
Clinical Dosage Efficacy
500 mg of acetyl L-carnitine is provided per serving.
Label Transparency and Proprietary Blends
The amount of acetyl L-carnitine is stated as 500 mg per serving.
Value75
The whole-product cost is about $0.27 per 500 mg of acetyl L-carnitine.
Price per 500mg Acetyl L-Carnitine
The whole-product cost is about $0.27 per 500 mg of acetyl L-carnitine.
Chloride · 90 mg OverallScore53
Each serving provides 90 mg of chloride, a moderate amount in this comparison. The saved facts do not identify its specific chemical source.
How this ingredient is rated
Active Ingredient Quality & Bioavailability20
The specific chemical source of chloride is not identified in the saved facts.
Chloride source quality
The specific chemical source of chloride is not identified in the saved facts.
Dose, Safety & Label Transparency63
The serving specifies 90 mg of chloride; its specific chemical source is not identified in the saved facts.
Chloride amount per serving
The 90 mg of chloride per serving is a moderate amount in this comparison.
Amount and source disclosure
The serving specifies 90 mg of chloride; its specific chemical source is not identified in the saved facts.
Value100
The whole-product serving costs about $0.27, which is lower among the serving prices compared.
Price per serving
The whole-product serving costs about $0.27, which is lower among the serving prices compared.
Alternative products
Report alternatives
Sources
Published studies used for the product analysis and the top-ranked studies for each ingredient and goal.
- Acetyl-L-carnitine treatment in minimal hepatic encephalopathy.
- Long-term acetyl-L-carnitine treatment in Alzheimer's disease.
- Pharmaco-electroencephalographic and clinical effects of the cholinergic substance--acetyl-L-carnitine--in patients with organic brain syndrome.
- Acetyl-L-carnitine improves cognitive functions in severe hepatic encephalopathy: a randomized and controlled clinical trial.
- Acetyl-L-carnitine in the treatment of mildly demented elderly patients.
- Vitamin B12, B6, or Folate and Cognitive Function in Community-Dwelling Older Adults: A Systematic Review and Meta-Analysis.
- Relationship between serum pyridoxal 5'-phosphate concentration and cognitive function in older Japanese.
- A randomized, controlled trial to evaluate the efficacy of pyridoxine and ascorbic acid on cognitive function and quality of life in post-menopausal women.
- Lower Plasma Vitamin B-6 is Associated with 2-Year Cognitive Decline in the Boston Puerto Rican Health Study.
- Are Dietary Supplements and Nutraceuticals Effective for Musculoskeletal Health and Cognitive Function? A Scoping Review.
- A double-blind, parallel, multicenter comparison of L-acetylcarnitine with placebo on the attention deficit hyperactivity disorder in fragile X syndrome boys.
- Acetyl L-carnitine (ALC) treatment in elderly patients with fatigue.
- Safety and Efficacy of High-Dose Vitamin B6 as an Adjunctive Treatment for Antipsychotic-Induced Hyperprolactinemia in Male Patients With Treatment-Resistant Schizophrenia.
- Associations between dietary B vitamin intakes and cognitive function among elderly individuals: An observational study.
- Lower water-soluble vitamins and higher homocysteine are associated with neurodegenerative diseases.
- Associations of one-carbon metabolism, related B-vitamins and ApoE genotype with cognitive function in older adults: identification of a novel gene-nutrient interaction.
- Oral acetyl-L-carnitine therapy reduces fatigue in overt hepatic encephalopathy: a randomized, double-blind, placebo-controlled study.
- The supplementation of acetyl-L-carnitine decreases fatigue and increases quality of life in patients with hepatitis C treated with pegylated interferon-α 2b plus ribavirin.
- Acetyl-L-carnitine reduces depression and improves quality of life in patients with minimal hepatic encephalopathy.
- A prospective study to evaluate the efficacy and safety of oral acetyl-L-carnitine for the treatment of chemotherapy-induced peripheral neuropathy.