An acetylated form of L-carnitine commonly taken in divided doses around 500 mg to 2 g per day. It’s favored because it crosses the blood-brain barrier more readily than standard L-carnitine, supporting mitochondrial energy production and potentially offering mood and cognitive benefits.
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“And to make a long story short, indeed it did. There was a very significant effect of acetyl carnitine supplementation on improving some of the symptomology symptomology, excuse me, of ADHD.”
Andrew Huberman · Understanding & Controlling Aggression | Huberman Lab Essentials · May 14, 2026 · 31:26 · YouTube ↗