I took it for about
6 weeks many years ago. We didn't think it was doing anything, so I stopped. So that's my (unhelpful) experience! Hope someone else can answer your questions more helpfully!
Lynnwood, Lupus & Sjogren's Moderator, Dx: 2000DIAGNOSING LUPUS & HW's LUPUS 101
"Life is far too important to be taken seriously." - Oscar Wilde