I have fibromyalgia and Fibro-related brain fog. I found a post about omega 3 DHA helping with fibro fog. Bought an omega 3 made from algae at the health shop in town, a vegan alternative, which I need. Long story short, the oil cleared the brain fog. I started with a 200 mg capsule twice a day, but now I'm down to just 1 capsule in the morning.
Hope this helps someone with fibro.