I have taken zinc in the past and it seemed to help clear up colds and infections, but I generally don't take supplements because I believe it is better to get vitamins and minerals by eating right, and most "recommended" supplements give me bad migraines. I am generally pretty healthy, but had a very bad cold a couple months ago, so I took these to make it go away. It didn't seem to end the cold any sooner, but I've been taking one capsule a day every since and have noticed a significant reduction in the frequency and intensity of my migraines. I've never heard of zinc helping with migraines and it hasn't been that long, so I'm keeping my fingers crossed. I generally have a Migraine every 3 - 4 weeks and it lasts 3 - 4 days, and is so bad for at least 2 of the days that I can't eat, read, watch TV, or get out of bed except for uncontrollable vomiting several times a day. I've only had one 3-day headache since the cold, and was able to read and watch TV some, and had NO vomiting. That's in the past 8 weeks. I've been tracking the frequency of my migraines for 2 years now and the longest I've gone before without one has been 5 weeks. I try to figure out what causes them and try to behave in healthier ways, with some success, but this is radical, maybe just a coincidence, or something I haven't thought of is helping, but all I can think of is the zinc capsules. Also, less measurable, I realized a few days ago, that I'm happier, as in more content with what I'm doing, less bored and cranky -- go figure! I really hope it's the zinc, so I can guarantee these improvements by continuing to take it. Has anyone else noticed an effect like this