$23.25 $0.77 per serving
Product analysis
Optimized Carnitine combines carnitines involved in cellular energy processes. Its focus-related evidence comes from other populations and longer use, so an immediate benefit for healthy adults is uncertain.
AI assessment of the formula, label and price. How scoring works
Nutrient Quality20
The carnitine forms are unspecified, limiting a clear quality comparison. Their names alone do not establish interchangeable preparations or amounts.
Ingredient Transparency63
The listed amounts are identified, but the forms are unspecified. That makes serving quantities clearer than the precise preparations.
Value For Money60
The main acetyl L-carnitine content offers reasonably favorable value. Value for the separately named carnitine entry remains uncertain, so the conclusion does not extend to every declaration.
Customer Satisfaction83
Customer ratings are very positive across more than a thousand reviews. That provides a broad picture of satisfaction without establishing immediate focus or energy benefits.
Product Focus60
The carnitines have a connection to cellular energy, but routine cognitive or fatigue benefits in healthy adults are uncertain. The many associated goals extend beyond what those normal biological roles establish.
- Format
Capsule - Container
- 60 Capsule(s)
- Per serving
- $0.77
- Customer rating
- 4.8 · 1,275 ratings
Goals
Impact
Lower effect
Acetyl L-Carnitine · 800 mg
Impact
High effect
Acetyl L-Carnitine · 800 mg
Impact
High effect
Acetyl L-Carnitine · 800 mg
Impact
High effect
Impact
Moderate effect
Impact
High effect
Acetyl L-Carnitine · 800 mg
Ingredients
| Ingredient | Amount per serving | Score |
|---|---|---|
Acetyl L-Carnitine HCl | 800 mg | |
Acetyl L-Carnitine Arginate Di-HCl | 300 mg | |
Glycine Propionyl L-Carnitine HCl | 300 mg |
Acetyl L-Carnitine · 800 mg OverallScore79
The serving provides 1100 mg of acetyl L-carnitine HCl, with a relatively low whole-product cost for that amount. Other carnitine is also present, but its proportion is unclear. The available information does not mention cGMP manufacturing or purity testing.
How this ingredient is rated
Active Ingredient Quality & Bioavailability59
The ingredient is acetyl L-carnitine HCl. Other carnitine is also present, but its proportion is unclear. The available information does not mention cGMP manufacturing or purity testing.
ALCAR vs. Standard Carnitine Form
Acetyl L-carnitine is present alongside another carnitine; their proportions are unclear.
Advanced Sourcing and Salt Specificity
The HCl salt form is specified. The available information does not mention cGMP manufacturing or purity testing.
Dose, Safety & Label Transparency100
The serving provides 1100 mg of acetyl L-carnitine.
Clinical Dosage Efficacy
The serving provides 1100 mg of acetyl L-carnitine.
Label Transparency and Proprietary Blends
The acetyl L-carnitine amount is stated as 1100 mg per serving.
Value75
The whole-product cost is relatively low relative to its acetyl L-carnitine amount.
Price per 500mg Acetyl L-Carnitine
The whole-product cost is relatively low relative to its acetyl L-carnitine amount.
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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.
- 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.
- 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.
- Metabolomic biomarkers for (R, S)-ketamine and (S)-ketamine in treatment-resistant depression and healthy controls: A systematic review.
- Acetyl-L-carnitine Slows the Progression from Prefrailty to Frailty in Older Subjects: A Randomized Interventional Clinical Trial.
- Acetyl-L-Carnitine Supplementation During HCV Therapy With Pegylated Interferon-α 2b Plus Ribavirin: Effect on Work Performance; A Randomized Clinical Trial.
- [Psycho-functional changes in attention and learning under the action of L-acetylcarnitine in 17 young subjects. A pilot study of its use in mental deterioration].
- Acetyl-L-carnitine (ALC) in attention-deficit/hyperactivity disorder: a multi-site, placebo-controlled pilot trial.
- Acetyl-L-carnitine for patients with hepatic encephalopathy.
- Low Bioavailability and High TMAO Production: Novel Insights Into Acetylcarnitine and Carnitine Metabolism.