Taking Vitamins for Acne

I need feedback from people that have actually tried vitamin regiments for acne. If you haven't, then please do not bother with telling me other ways like pro-activ (was on it for 2 years). Keep in mind that what may work for you.doesn't for others. My skin never changed on that product or half of the other products I've tried.

So far I'm taking Vitamin A, B complex, C, E, and Zinc. I'm not seeing a significant improvement and it's been 2 weeks. How long will it take and does it really work?

Also, please no website links or natural cures...lol...I know about them and just want responses from people that have seen an improvement from vitamins. Thank You.

My 14 year old daughter tried pro Active as well it did not work. She takes vitamin C drinks lots of water. I recently took her for prescription Meds , He gave her Tryclycline and a lotion. It has help tremendously.