About Acetyl-L-Carnitine

L-Carnitine with an acetyl group, allowing it to cross the blood-brain barrier.

Dietary Supplement Label Database

Ingredient group data in NutriNav is aligned with the NIH Dietary Supplement Label Database (DSLD).

DSLD group id
6831

Compare All Forms

4 forms

Compare supplement forms of Acetyl-L-Carnitine by absorption quality and what your body actually gets from each:

High Moderate Low
Form Absorption Steps to absorb Notes Action
Acetyl-L-Carnitine — — — View →
Acetyl-L-Carnitine (ALCAR)
  • Label category: Synthetic
— — — View →
Acetyl-L-Carnitine Arginate — — — View →
Acetyl-L-Carnitine-L-Arginine — — — View →

Type: Other

Miscellaneous ingredients including fillers, binders, preservatives, artificial colors, flavors, sweeteners, and other additives found in supplements.

Absorption: Many of these ingredients are inert fillers or additives that may affect absorption of active ingredients.

Interactions: Some additives may have health concerns. Fillers may reduce absorption of other nutrients. Preservatives and artificial colors may cause adverse reactions in sensitive individuals.

Potential Benefits

Benefits associated with Acetyl-L-Carnitine forms:

Potential Side Effects

Side effects associated with Acetyl-L-Carnitine forms: