Pm me source and where I can find labtest pleaseno, qitrope is around 140€ per 100iu but you can get it cheaper if you buy a few kits (ive bought 6 in middle of 2020 and paid 125 each if i remember correctly)
ive also bought an opti kit which i will try soon and compare.
I don't read Germans btw in case it's in German forum
