It was known as far back as the Celts era, but it was only included in the list of renowned mineral waters in 1772, thanks to Empress Maria Theresa. According to international balneologic classification Jamnica is hydrocarbonate of sodium cold mentral water. It is drawn from 500 meters deep undrground springs, threfore protected from any kind of pollution. It contains 3800.0 mg/l of different minerals and 3500 mg/l of natural carbon dioxide. It is bottled at the very source and has a healing effect.
Poznata je još iz doba Kelta, ali je tek zahvaljujuči carici Mariji Tereziji 1772. uvrštena na popis poznatih mineralnih voda. Prema međunarodnom balneološkom razvrstavanju, Jamnica je mineralna natrijeva hidrogenkarbonatna hladna kiselica. Crpi se u Jamničkoj Kiselici iz podzemnih izvora iznad 500 metara i zaštićena je od svakog onečišćenja. Sadrži 3800,0 mg/l različitih minerala i 3500 mg/l prirodnog ugljičnog dioksida. Puni se na samom izvoru i ima djelotvoran učinak na ljudsko zdravlje.