Amino acids

Acetyl-L-Carnitine — timing, dose & interactions

Carries fatty acids into mitochondria; the acetyl form crosses into the brain. Studied for neuropathy, fatigue and cognitive aging with mixed results.

Also known as ALCAR

Timing

When to take it

Morning, often on an empty stomach.

Interactions

Acetyl-L-Carnitine with other supplements

Buying guide

What to look for on the label

  • Acetyl-L-Carnitine

    • Acetyl-L-carnitine HCl

FAQ

Common questions

When is the best time to take Acetyl-L-Carnitine?

On waking or Breakfast. Morning, often on an empty stomach.

Should Acetyl-L-Carnitine be taken with food?

It can be taken with or without food. Morning, often on an empty stomach.

Can you take Acetyl-L-Carnitine with Alpha-Lipoic Acid?

Yes — they are commonly combined, though the evidence is from rats. Both are best absorbed on an empty stomach in the morning.

Sources

References

  1. 01NIH Office of Dietary Supplements — Carnitine Fact Sheet for Health Professionals