Following a further search on the contents of hormones, which I would consider to be a more severe risk then fluoride, I have found the following article and this one too, puts the level of hormones present in to context.
Edit: Filtered tap water is better than bottled due to EDCs from plastic.
@CheBeef started
London Fixed Gear and Single-Speed is a community of predominantly fixed gear and single-speed cyclists in and around London, UK.
This site is supported almost exclusively by donations. Please consider donating a small amount regularly.
Following a further search on the contents of hormones, which I would consider to be a more severe risk then fluoride, I have found the following article and this one too, puts the level of hormones present in to context.
Edit: Filtered tap water is better than bottled due to EDCs from plastic.