Concentration: Look for formulations with GHK-Cu listed in the first half of the ingredient list, or in dedicated peptide serums where it is the hero active
They are easy to take, well-studied, and have a solid safety record at doses up to 500 mg per day
These neurological studies are highly relevant for Long COVID and ME/CFS patients, as they confirm ALCAR's potent ability to cross the blood-brain barrier, reduce neuroinflammation, and restore the energetic capacity of the central nervous system, regardless of the initial trigger of the cognitive dysfunction
If side effects occur, the most common are nausea, indigestion, flatulence, diarrhea, constipation, headache, and fatigue, which usually resolves within the first month of use
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