I take Lyrica 300mg 3x a day and I also take Gabapentin 300mg when I need them. I have very bad Peripheral Neuropathy in both my feet and fingers. Had it for 5 years and has gotten worse. I recently saw an answer about Lyrica and other medications or vitamins that contain ,,, iron,magnesium,copper,and other metals. this person or doctor said these would interfere with the potiency of Lyrica. I can't find that article and I believe I would have to take less dosage if I were to cut out these metals which are in vitamins I take. If someone could inlighten me on it would be a life saver. Even with the doses I take I still have some pain and afraid to take more than what I take now.. thanks tmystr