Energy tuning fork 999 Hz can help us in many ways.Nitrous Oxide is already present in our body. Nitrous oxide helps keep blood vessels open. Blood vessels relax and constrict to regulate blood flow and nitrous oxide opens up blood vessels, allowing red blood cells to deliver oxygen.The Energy Tuning Fork works on the phenomenon of sedation or tranquilizing effect .This tuning fork uses this Nitrous Oxide(already present in our body) to give us energy and keep us relaxed. When we use this fork, we activate Nitrous Oxide and it gets released in small quantities in the blood stream and this benefit us in number of ways.It makes us calm and relax.Increase our energy level.Help in keeping blood vessels en.Help us in having sound sleep.this fork is based on 999 Hz All our Tuning Forks are made from special grade Aluminium alloy and frequency is guaranteed to tuned to an accuracy of +/- 0.25% which is very good for healing.