Is alpha gpc dangerous

Alpha-GPC is generally considered safe when used at typical doses, but possible risks have been raised—particularly with chronic, high-dose use—and the evidence is not conclusive. 1

• Typical doses: For focus, 300–600 mg is commonly used; doses up to 1,200 mg per day have been used for specific medical purposes, though that is described as high for people without age-related cognitive decline. 2
• Chronic-use concern: A study suggested long-term use could increase stroke vulnerability, possibly through increased TMAO; the evidence remains inconclusive and warrants caution. 3
• Garlic: The discussion notes that 600 mg of garlic may help offset TMAO increases when taken with Alpha-GPC. 4