US$ 20.73
bac water use BACTERIOSTATIC Bacteriostatic Water 10ML (RUO) –
Description
Here's the honest answer: it varies

If you're managing stress, experiencing chronic fatigue, traveling frequently, or engaging in intense workouts, weekly IV hydration sessions may provide consistent benefits

Published research uses varying doses depending on the model and endpoint

Strict vegetarians and adults over 60 face greater B12 deficiency risks

An erratum for this paper can be found here
