Makhanas also called Fox nuts or Lotus seeds grows in Stagnant water in Dal Lake in Kashmir valley.Makhanas has low Sodium content while being rich in Potassium and Magnesium .This helps one keep blood pressure under  control and prevents cardiovascular diseases.Makhanas are rich in flavonoids and act as Anti aging and anti oxidants.They are very beneficial for osterioporisis and helps in Arthritis too.