Three strange and unexpected effects of correcting a vitamin or mineral deficiency
1. Vivid dreams. This effect of vitamin B6 is fairly well-known. Some members of Yahoo's pyroluria group (pyroluria is a condition in which vitamin B6 is chronically deficient) say that you're at the right dose when your remembered dreams are pleasant, and that you're on too much if they are too vivid or jittery-making, but I've never come to any conclusion myself. 2. Random, pointless memories. I've occasionally experienced this when repleting with big doses of calcium, magnesium, iron, or B12, all closely associated with memory. At the same time I realized I could recall long-forgotten Photoshop commands or go to the grocery store without a shopping list, I would also be visited by utterly insignificant memories floating across my brain: the brickwork around the entrance to a store in…