What pills or vitamins can boost fertility?

It depends... A healthy person with a good diet doesn't need pills to boost fertility so if you have fertility issues try to find the cause. A common cause of fertility problems is hypothyroidism which is often not obvious- see http://tinyurl.com/koyamo5 The herb rhodiola may boost fertility. Try a good multivitamin that has the L-5-MTHF form of folate (folic acid). Consider seeing an acupuncturist for individualized herbs.