Amino Acids · Supplement

Acetyl-L-Carnitine (ALCAR)

Acetylated form of L-carnitine. Crosses blood-brain barrier. Mitochondrial fatty acid transport, mental energy, cognitive support, peripheral neuropathy.

Research PubMed 1 ↗ · PubMed 2 ↗

At a glance

CategoryAmino Acids

Common dose500–2,000 mg

TimingMorning, empty stomach

With foodNo

FormOral supplement

Note: Can be stimulating — avoid evening dosing. TMAO concern in some studies; pair with allicin/garlic or take with meals if concerned.

Ranges shown are commonly referenced values for educational purposes and are not a recommendation or medical advice. Always consult a qualified healthcare provider before starting any compound.

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Acetyl-L-Carnitine FAQ

What is a common Acetyl-L-Carnitine dose?

Commonly referenced protocols use 500–2,000 mg, morning, empty stomach. This is educational reference only — dosing should be set with a qualified healthcare provider.

When should you take Acetyl-L-Carnitine?

Acetyl-L-Carnitine is typically taken morning, empty stomach. StackMindr lets you set a reminder for the exact slot you take it.

Can I track Acetyl-L-Carnitine in StackMindr?

Yes. Acetyl-L-Carnitine is in StackMindr's built-in glossary of 130+ compounds. Add it to your schedule, set reminders, and track your results — free on iOS and Android.