I suspect the £75 'donation' came from their 'fundrazr' page: https://fundrazr.com/campaigns/4sSf3/ https://fundrazr.com/campaigns/4sSf3/ You seem to have to j

I suspect the £75 'donation' came from their 'fundrazr' page: https://fundrazr.com/campaigns/4sSf3/ https://fundrazr.com/campaigns/4sSf3/ You seem to have to join via this fundraising site. It's mildly concerning that their participant login site seems to be coming up with an SSL error too ( https://www.microbio.me/BritishGut https://www.microbio.me/BritishGut ). This site also takes you back round to the fundraising page when you select the menu option to join.