you need to take 5-10g l-glutamine a day. It seems 100mg is not strong enough. The best is the powder form.
I got my American Saffron in a tea shop in China. I have seen some websites selling them for few U.S dollars. Or perhaps you can find it in your local herbal shop
Do you live in Uk or Europe?? I have some extra kefir grains. If you are interested , send me an email and I will send you some.