Best Acetyl-L-Carnitine HCl Featuring Sigma Tau Carnitine
Doctor's Best Acetyl-L-Carnitine HCl is a single-ingredient amino acid supplement, providing 500mg of Acetyl-L-Carnitine per capsule. Acetyl-L-Carnitine is an amino acid derivative often studied for its potential roles in energy metabolism and cognitive support. While 500mg is a common dosage, research suggests that clinical doses for specific outcomes, particularly cognitive benefits, often range from 1,000mg to 3,000mg daily, indicating that this product's dosage may be underdosed for some applications. The product received an N+ Score of 46, earning an 'F' grade, placing it in the below-average tier. This score reflects concerns regarding the dosage relative to established clinical research for certain benefits. With only one ingredient, the product offers complete label transparency. It may be suitable for individuals seeking a foundational or lower-dose Acetyl-L-Carnitine supplement, though higher doses may be more effective for specific research-backed benefits.
About This Product
Best Acetyl-L-Carnitine HCl Featuring Sigma Tau Carnitine by Doctor's Best is a protein supplement containing 1 active ingredients. It has earned an N+ Score of 46/100 (Grade F).
N+ Score Breakdown
Are key ingredients present at clinically effective doses based on research?
Does the product include all expected ingredients for its supplement category?
Are individual ingredient amounts clearly disclosed without proprietary blends?
Does the formula include a breadth of beneficial compounds from multiple pathways?
Strengths
- +Fully transparent label with individual ingredient amounts disclosed
Weaknesses
- −Missing several expected ingredients for its category
Ingredient Analysis (1 ingredients)
| Ingredient | Amount | Dose Adequacy |
|---|---|---|
| Acetyl L-Carnitine | 500.000 mg | N/A |
Clinical ranges based on NIH ODS Fact Sheets and peer-reviewed research. Status indicates whether the amount meets evidence-based thresholds.
