Spatone natural iron supplement 14 days is a 100 natural iron supplement it is the safe and effective way to top up your iron levels and so help to prevent iron dificiency spatone is a natural iron rich water sourced from trefriw wells spa in snowdonia north wales and contains no additives and no calories generally iron is a very difficult mineral for the body to absorb however spatone has been shown in clinical studies to have up to 40 bioavailability compared to only 5 20 from food