Comparison

Optimized Carnitine With GlycoCarn and Carnitine Complex

Optimized Carnitine With GlycoCarn (Life Extension) lists 3 distinct ingredients and Carnitine Complex (Solgar) 4 (rows of one ingredient counted once); 3 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 0.83.

Amount per serving (and % of the Daily Value)
IngredientOptimized Carnitine With GlycoCarnCarnitine Complex
Acetyl L-Carnitine800 mg250 mg
Glycine propionyl-l-carnitine300 mg250 mg
Acetyl L-Carnitine Arginate300 mg250 mg
L-Carnitine500 mg

Amounts are per serving as DSLD gives them: Optimized Carnitine With GlycoCarn, 2 vegetarian capsules; Carnitine Complex, 2 tablets. Current labels entered April 2016 and April 2020. Percentages of the Daily Value from 21 CFR 101.9. Source: NIH ODS Dietary Supplement Label Database.

Each product on its own