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Side-by-side comparison of 2 supplements
250-500mg daily (varies by form)
Morning or with meals, Alpha-GPC before cognitive tasks
Alpha-GPC or CDP-Choline (Citicoline)
25-100mg daily
Morning with food, Can take with other B vitamins
P-5-P (Pyridoxal-5-Phosphate)
2-4 weeks
4-8 weeks
1-2 weeks
2-4 weeks
1-2 cycles
Months of high doses
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