$29.95 $1.99 per serving
Product analysis
Neuro Fuel supplies vitamin B6 for normal energy use and nerve signaling when intake is low. It is expensive for the amounts of carnitine and phenylalanine provided.
AI assessment of the formula, label and price. How scoring works
Nutrient Quality36
Most ingredients have named sources, but their form quality cannot be judged confidently. Phenylalanine is less clearly identified because its form is not specified.
Ingredient Transparency93
All ingredient amounts and most forms are stated. The phenylalanine form remains unspecified, which limits that part of the comparison.
Value For Money15
Carnitine and phenylalanine are expensive for the amounts provided. Vitamin B6 value cannot be judged reliably, so it does not resolve the weak value of those main ingredients.
Customer Satisfaction69
Customer ratings are strongly positive, though the number of ratings is modest. The feedback is encouraging but gives a limited picture of wider satisfaction.
Product Focus61
The intended uses center on mental performance and energy, but the ingredients’ normal biological roles do not establish sharper focus in healthy adults. The carnitine findings come from clinical populations, limiting expectations for routine use.
- Format
Capsule - Container
- 45 Capsule(s)
- Per serving
- $1.99
- Customer rating
- 4.6 · 104 ratings
Goals
Impact
High effect
Acetyl L-Carnitine · 750 mg
Vitamin B6 supports normal nutrient metabolism and can address deficiency-related tiredness. Acetyl L-carnitine has fatigue findings in adults over 70 with clinical fatigue, which do not establish routine energy benefits in healthy adults. The hydrochloride declaration does not establish equivalence to other carnitine forms or trial amounts.
How this product is rated for Energy
Ingredient fit61
The relevant included ingredients are Acetyl L-Carnitine, Vitamin B6. Their amounts receive different levels of support in the supplied findings.
Goal fit
Relevant energy ingredients appear alongside ingredients aimed at other purposes, giving the formulation a broader focus.
Dose adequacy
The included amounts provide partial support against the saved amount references, without defining proven fatigue-treatment doses.
Pathways45
The supplied findings concentrate on cellular energy production. They do not establish broad coverage across the other configured energy pathways.
Depth
The best-represented configured pathway is cellular energy production.
Breadth
Only cellular energy production reaches the saved breadth requirement; other configured pathways do not.
Evidence95
The strongest included evidence contribution comes from Acetyl L-Carnitine. Preparation matching does not remove the ingredient-specific limits on fatigue benefits.
Evidence strength
Acetyl L-Carnitine provides the strongest included evidence contribution, subject to its specific population and deficiency limitations.
Studied preparation
The included preparations meet the saved study check, without establishing that the finished product itself was tested.
Formulation logic100
The counted ingredients meet the minimum amount requirement, without a missing required partner or matched conflict.
Partner coverage
No included ingredient lacks a required partner in the supplied findings; this does not imply extra benefit from combining ingredients.
Conflicts
No configured ingredient conflict was matched in the supplied facts.
Effective doses
All counted ingredients meet the saved minimum amount requirement, which is distinct from a proven fatigue-treatment dose.
Impact
High effect
Vitamin B6 · 5 mg
Acetyl L-carnitine has a role in energy metabolism, but energy mechanisms and disease-cohort findings do not establish cognitive improvement in healthy adults. The large Alzheimer trial did not meet its main outcomes. B6 supports normal nutritional functions, while phenylalanine's precursor role does not establish improved cognition in adequately nourished users. The serving amounts receive partial recognition without establishing clinical cognitive effects.
How this product is rated for Brain Health
Ingredient fit60
Acetyl L-carnitine, B6 and phenylalanine contribute in the saved findings.
Goal fit
Acetyl L-carnitine, B6 and phenylalanine contribute in the saved findings.
Dose adequacy
The declared amounts receive partial recognition overall.
Pathways49
Brain energy metabolism is the strongest represented area. Other areas have limited coverage.
Depth
Brain energy metabolism is the strongest area in the saved findings; pathway mapping does not establish an improvement in cognition.
Breadth
Only brain energy metabolism reaches the saved coverage threshold.
Evidence92
Vitamin B6 leads the saved evidence finding. The credited preparations are recognized by the saved findings.
Evidence strength
Vitamin B6 leads the saved evidence finding; its recognized role does not establish broad cognitive enhancement.
Studied preparation
The saved findings recognize the preparations of the credited ingredients; this does not establish universal clinical benefit.
Formulation logic100
No unmet partner requirement or configured conflict was found. All credited ingredients clear the amount threshold used for inclusion.
Partner coverage
Each credited ingredient works independently or has its required partner.
Conflicts
No configured conflict was matched among the evaluated combinations.
Effective doses
All credited ingredients clear the inclusion threshold; that threshold does not prove an effective clinical dose.
Impact
High effect
Vitamin B6 · 5 mgAcetyl L-Carnitine · 750 mg
Acetyl L-carnitine has roles related to energy metabolism and acetylcholine, but these mechanisms do not establish routine acute focus improvement. Vitamin B6 supports normal neurotransmitter synthesis, and phenylalanine is an upstream precursor of tyrosine. Their biological roles do not establish sharper concentration after one serving, even though the saved result recognizes their declared amounts.
How this product is rated for Mental Focus
Ingredient fit65
Acetyl L-Carnitine and Phenylalanine provide the recognized goal connection within the declared formula. Some declared amounts receive partial recognition.
Goal fit
Acetyl L-Carnitine and Phenylalanine provide the recognized goal connection within the declared formula.
Dose adequacy
Some recognized ingredients receive partial amount recognition per serving; the comparison endpoints do not establish clinically effective focus doses.
Pathways50
The strongest recognized connection is brain-energy-related functions; pathway coverage does not itself prove an attention benefit.
Depth
The strongest recognized connection is brain-energy-related functions; pathway coverage does not itself prove an attention benefit.
Breadth
brain-energy-related functions provides the substantial pathway coverage. Other biological roles do not establish additional acute effects.
Evidence81
Acetyl L-Carnitine provides the strongest recognized evidence contribution; supplied preparation, population and duration limits still constrain the focus benefits that can be expected.
Evidence strength
Acetyl L-Carnitine provides the strongest recognized evidence contribution; supplied preparation, population and duration limits still constrain the focus benefits that can be expected.
Studied preparation
Some recognized ingredients lack a match to a studied preparation, limiting transfer of the relevant trial findings.
Formulation logic100
No recognized ingredient lacks a required partner; that does not establish added benefit from combining ingredients. No configured ingredient conflict was identified in the supplied facts.
Partner coverage
No recognized ingredient lacks a required partner; that does not establish added benefit from combining ingredients.
Conflicts
No configured ingredient conflict was identified in the supplied facts.
Effective doses
The recognized ingredients meet the amount threshold; this comparison convention does not establish a proven effective focus dose.
Impact
Moderate effect
Vitamin B6 · 5 mgAcetyl L-Carnitine · 750 mgAcetyl L-Carnitine · 750 mg
Acetyl-L-carnitine at 750 mg relates to mitochondrial energy processes, while B6 supports neurotransmitter metabolism. The supplied evidence does not establish routine productivity improvement from these mechanisms in healthy working adults.
How this product is rated for Productivity Boost
Ingredient fit54
The selection combines ingredients relevant to productivity with ingredients serving other purposes. The assessed amounts provide partial alignment with the saved ingredient comparisons.
Goal fit
The selection combines ingredients relevant to productivity with ingredients serving other purposes.
Dose adequacy
The assessed amounts provide partial alignment with the saved ingredient comparisons.
Pathways40
The strongest saved mechanism is brain energy buffering, with moderate coverage. One reviewed mechanism reaches the saved coverage threshold.
Depth
The strongest saved mechanism is brain energy buffering, with moderate coverage.
Breadth
One reviewed mechanism reaches the saved coverage threshold.
Evidence67
Acetyl L-Carnitine provides the strongest saved ingredient finding; this does not imply improved work output. The qualifying ingredient preparations match the saved reviewed comparisons.
Evidence strength
Acetyl L-Carnitine provides the strongest saved ingredient finding; this does not imply improved work output.
Studied preparation
The qualifying ingredient preparations match the saved reviewed comparisons.
Formulation logic100
No missing required ingredient partner was identified. No configured conflict was identified in the saved findings. All ingredients assessed for amounts meet the saved minimum comparison level.
Partner coverage
No missing required ingredient partner was identified.
Conflicts
No configured conflict was identified in the saved findings.
Effective doses
All ingredients assessed for amounts meet the saved minimum comparison level.
Impact
High effect
Vitamin B6 · 5 mgAcetyl L-Carnitine · 750 mg
Acetyl-L-carnitine has a role in cellular energy processes, while B6 helps make neurotransmitters. The supplied acetyl-L-carnitine evidence comes from disease cohorts and does not establish better focus in healthy adults. B6's metabolic role likewise does not demonstrate cognitive enhancement with adequate nutrition. Its presence and the declared carnitine amount explain the saved findings, without showing an added benefit from combining them.
How this product is rated for Cognitive Support
Ingredient fit64
Acetyl-L-carnitine and B6 provide the relevant connections, alongside other actives. The declared amounts receive partial overall exposure recognition.
Goal fit
Acetyl-L-carnitine and B6 provide the relevant connections, alongside other actives.
Dose adequacy
The declared amounts receive partial overall exposure recognition.
Pathways50
Cellular energy is the main represented pathway.
Depth
Cellular energy is the main represented pathway.
Breadth
One pathway reaches the saved coverage threshold, leaving other cognitive routes unrepresented.
Evidence100
B6 leads the saved evidence finding, but healthy-adult cognitive benefit remains unestablished.
Evidence strength
B6 leads the saved evidence finding, but healthy-adult cognitive benefit remains unestablished.
Studied preparation
The counted ingredients receive a saved preparation match; this alone does not demonstrate improved cognition.
Formulation logic100
The counted ingredients meet the saved minimum exposure threshold, with no missing required partner or configured conflict.
Partner coverage
The counted ingredients have no missing required partner; this does not establish an added benefit from combining them.
Conflicts
No configured ingredient conflict was identified; this is not a general safety assessment.
Effective doses
All counted ingredients meet the saved minimum exposure threshold; this does not establish clinically effective cognitive doses.
Impact
Moderate effect
Acetyl L-carnitine relates to mitochondrial energy handling. Its 750 mg amount receives partial exposure support in the saved findings, but the supplied fatigue and disease-related cognitive evidence does not show routine preservation of function or longer life in healthy adults.
How this product is rated for Longevity
Ingredient fit54
Much of the formula serves needs beyond the aging-related functions assessed here. The counted amounts provide substantial but incomplete exposure support.
Goal fit
Much of the formula serves needs beyond the aging-related functions assessed here.
Dose adequacy
The counted amounts provide substantial but incomplete exposure support.
Pathways17
The strongest supported mechanism is mitochondrial energy production, with limited coverage. No mechanism reaches the saved coverage target.
Depth
The strongest supported mechanism is mitochondrial energy production, with limited coverage.
Breadth
No mechanism reaches the saved coverage target.
Evidence63
Acetyl L-Carnitine provides the strongest evidence contribution among ingredients counted at a sufficient amount, within the limited outcomes supplied. The counted ingredients at sufficient amounts match the preparations recognized by the saved assessment.
Evidence strength
Acetyl L-Carnitine provides the strongest evidence contribution among ingredients counted at a sufficient amount, within the limited outcomes supplied.
Studied preparation
The counted ingredients at sufficient amounts match the preparations recognized by the saved assessment.
Formulation logic100
The counted ingredients can contribute independently or have their required partner. No configured ingredient conflict was identified in the supplied findings. 1 of 1 counted ingredients meet the saved minimum exposure threshold.
Partner coverage
The counted ingredients can contribute independently or have their required partner.
Conflicts
No configured ingredient conflict was identified in the supplied findings.
Effective doses
1 of 1 counted ingredients meet the saved minimum exposure threshold.
Ingredients
| Ingredient | Amount per serving | Score |
|---|---|---|
Vitamin B-6 (Pyridoxal 5-Phosphate) | 5 mg | |
Artichoke Leaf Extract (Cynarin) | 900 mg | |
Acetyl-L-Carnitine (Acetyl-L-Carnitine HCl) | 750 mg | |
L-Phenylalanine | 500 mg | |
Coleus forskohlii Root Extract (Forskolin) | 20 mg |
Phenylalanine · 500 mg OverallScore82
A serving supplies 500 mg of L-Phenylalanine, and a PKU warning is recorded. The whole-product price works out to about $2.00 per 500 mg of phenylalanine.
How this ingredient is rated
Active Ingredient Quality & Bioavailability100
The form is identified as L-Phenylalanine. No competing protein or amino acids were identified in the saved ingredient panel.
Isomeric Form Specificity
The form is identified as L-Phenylalanine.
Absorption Environment Optimization
No competing protein or amino acids were identified in the saved ingredient panel.
Dose, Safety & Label Transparency100
A serving provides 500 mg of L-Phenylalanine. The amount is disclosed and a phenylketonuria (PKU) warning is recorded.
Phenylalanine Dosage Efficacy
A serving provides 500 mg of L-Phenylalanine.
Transparency and Safety Warnings
The amount is disclosed and a phenylketonuria (PKU) warning is recorded.
Value10
The whole-product price works out to about $2.00 per 500 mg of phenylalanine.
Price per 500mg Active Phenylalanine
The whole-product price works out to about $2.00 per 500 mg of phenylalanine.
Acetyl L-Carnitine (Acetyl-L-Carnitine HCl) · 750 mg OverallScore78
Each serving provides 750 mg of acetyl L-carnitine HCl, a substantial amount. The whole-product price corresponds to about $1.33 per 500 mg of acetyl L-carnitine.
How this ingredient is rated
Active Ingredient Quality & Bioavailability94
The HCl form of acetyl L-carnitine is identified. A purity or manufacturing claim is recorded in the saved facts.
ALCAR vs. Standard Carnitine Form
Acetyl L-carnitine is identified, with no other carnitine form recorded.
Advanced Sourcing and Salt Specificity
The HCl form is identified. A purity or manufacturing claim is recorded in the saved facts.
Dose, Safety & Label Transparency100
The label states 750 mg of acetyl L-carnitine per serving, a substantial amount.
Clinical Dosage Efficacy
The serving provides 750 mg of acetyl L-carnitine, a substantial amount.
Label Transparency and Proprietary Blends
The specific amount of acetyl L-carnitine is stated as 750 mg per serving.
Value0
The whole-product price corresponds to about $1.33 per 500 mg of acetyl L-carnitine.
Price per 500mg Acetyl L-Carnitine
The whole-product price corresponds to about $1.33 per 500 mg of acetyl L-carnitine.
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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.
- The Association between Dietary Amino Acid Intake and Cognitive Decline 8 Years Later in Japanese Community-Dwelling Older Adults.
- Magnetic resonance imaging in phenylketonuria: reversal of cerebral white matter change.
- [Cross-sectional association between the amino acid intake and episodic memory in middle- and old-aged community dwellers].
- Improved dietary control results in improvements in indices of white matter structure in adults with phenylketonuria: the ReDAPT study.
- [Brain white matter lesions of children with phenylketonuria before and after treatment].
- 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.