MediPLATINUM is 99.99+% pure Platinum NanoParticles (PtNPs) colloidally suspended and dispersed in pure pharmaceutical grade sterile water. MediPLATINUM is a true colloidal Platinum which means it is 100% elemental Platinum with no ionic Platinum, Platinum salts or Platinum proteins. The PtNPs in MediPLATINUM have the smallest Platinum nanoparticle size – averaging just two Platinum atoms – less than 0.6 nm in size; this equates to the highest NanoParticle Surface Area (NPSA) which provides the highest bioavailability of any true colloidal Platinum product. MediPLATINUM is perfectly safe to consume daily in perpetuity as a dietary Platinum nutritional supplement. MediPLATINUM does not require refrigeration after opening and has an infinite shelf life if stored at room temperature out of direct sunlight. This is 500 mL (16.9 Fl Oz) of MediPLATINUM Gut Booster true colloidal Platinum PtNP nutritional supplement in a BPA-free plastic bottle - triple sealed for your protection.