Comparison
Acetyl-L-Carnitine 500 mg and Best Acetyl-L-Carnitine HCl Featuring Sigma Tau Carnitine
Acetyl-L-Carnitine 500 mg (Life Extension) lists 2 distinct ingredients and Best Acetyl-L-Carnitine HCl Featuring Sigma Tau Carnitine (Doctor's Best) 1 (rows of one ingredient counted once); 1 are on both labels. On the site's similarity measure, which compares ingredient lists (1 for the same list, rarer ingredients counting for more; amounts are not part of it), the two formulas score 0.72.
| Ingredient | Acetyl-L-Carnitine 500 mg | Best Acetyl-L-Carnitine HCl Featuring Sigma Tau Carnitine |
|---|---|---|
| Acetyl L-Carnitine | 500 mg | 500 mg |
| Vitamin C | 14 mg (16%) |
Amounts are per serving as DSLD gives them: Acetyl-L-Carnitine 500 mg, 1 vegetarian capsule; Best Acetyl-L-Carnitine HCl Featuring Sigma Tau Carnitine, 1 capsule. Current labels entered March 2025 and October 2011. Percentages of the Daily Value from 21 CFR 101.9. Source: NIH ODS Dietary Supplement Label Database.
Each product on its own
- Acetyl-L-Carnitine 500 mgLife Extension: every row against all products listing it
- Best Acetyl-L-Carnitine HCl Featuring Sigma Tau CarnitineDoctor's Best: every row against all products listing it