Amino Acid
ALCAR (Acetyl-L-Carnitine)
Moderate EvidenceRecommended Dose
500–1000 mg daily
Timing
Morning on empty stomach
Mechanism of Action
Crosses the BBB and donates acetyl groups for acetylcholine synthesis. Transports long-chain fatty acids into mitochondria for beta-oxidation. Supports neuronal energy metabolism and neuroprotection.
Side Effects & Safety
Mild fishy body odor, GI discomfort, or restlessness at high doses. May increase seizure frequency in susceptible individuals. Avoid with thyroid medication without supervision.
Synergies
CoQ10Alpha-GPCCiticoline