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Recommended Phosphatidylcholine dosage is 1,200 mg to 5 grams per day. And divide your total daily dose into 2 or 3 equal doses and dosed throughout the day.
To enhance bioavailability and boost absorption, take PC 30 minutes before a meal.
Do not take Phosphatidylcholine with acetylcholinesterase (AChE) inhibitors since this combination may excessively increase acetylcholine (ACh) levels and potentially cause cholinergic side effects. AChE inhibitors include donepezil (Aricept), tacrine (Cognex), rivastigmine (Exelon) and Huperzine-A. *