Alfa GPC Pastilles is a combination medicine used in the treatment of dementia, Alzheimer's disease, and stroke recovery. This medicine enhances the activity of acetylcholine (chemical messenger), thus improving mental and cognitive functions, such as learning, understanding, and thinking. Common side effects include stomach upset, headache, dizziness, nausea, vomiting, heartburn, skin rash, nervousness, and diarrhoea.