Vitamin C supplements ?

Brandy • 29 yr old SAHW. Endo and 1 ovary; DH had a VR. After 4 failed IUIs, currently Pregnant from 1st ICSI IVF cycle!!!
So I read a long while back in the Assisted Fertility group about government studies on Vitamin C supplements to aid in male factor infertility. Google it. It's a high dose at 1000 mg twice a day and is mainly to counteract environmental pollution. My husband works in a flour mill that is regularly fumigated and has airborne flour particles, so he has to deal with agricultural pesticide. Here are our stats so far giving it a try:
​Post Vasectomy Reversal check-up March 18th, 2014 - Looked good 
​2.6cc
​Average Viscosity
​Average Turbidity
​101 mil per cc
​64 mil active
​37 mil inactive 
​Total count 262.6 mil
​63% motility, so 166.4 mil
​Good forward progression
​60% normal morphology, 40% abnormal 
​7 days abstinence 
​This test was done by the Urologist who did his VR and seemed proud of the results.