medium mineralized water 803.95 mg / l • due to the leading mineral components, JANTAR water is defined as sodium chloride-bicarbonate water, which hydrates quickly and effectively and prevents hyponatraemia • adequate levels of sodium, potassium and chloride ensure the maintenance of internal water and electrolyte balance, which is especially important during exercise, hot weather and sports • has an appropriate potassium to sodium ratio, thanks to which the sodium-potassium pump works properly human • has HCO3 bicarbonate - an excellent factor improving calcium and magnesium absorption, • a clearly alkaline pH of 7.4 prevents acidification • contains trace elements such as iodine, selenium, zinc, lithium and strontium • there are no heavy metals, pesticides or any concentration of radon, radium and uranium isotopes in the water, • no chemicals that extend its shelf life are used in the bottling process • no alpha and beta radiation • is very clean water free of impurities.