I am 5.5 weeks into the NSD...still hard to say in my case because my pain comes every month. I did have pain 2 weeks in but nothing yet so far. Dr. Ebringer said it is not uncommon for it to take a month for people to notice an effect and in his research he even cites several months.

Pre-As (sacriolitis) dx 2013
Chronic iritis in right eye
HLA-B27 Negative
3g fish oil, vitamin D, multivitamin, bacillus coagulans, digestive enzymes, curcumin, l-glutamine, butyrate (Alex Shikhman gut-based protocol)
Ibuprofen as needed a few times a month