D-Mannose is a natural supplement supporting all-round bladder health for Men, Women, Children and Babies. The purest D-Mannose available, sourced naturally from birch. Easily mixed with a little water, tea or juice. Supplied in a recyclable & resealable flat pack, uniquely designed to fit through a letter box. Pure D-Mannose, not a blend. Waterfall D-Mannose contains only the finest D-Mannose fermented from Birch with no other ingredients.