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Before initial use, activate the pump by pressing 2 - 4 times. Always shake gently before use and spray directly into mouth, on the inside of each cheek, hold, then swallow. Suggested use: 4 sprays, twice a day, or wait a few seconds and repeat 4 sprays.

Dose Adjustable for any prescribed dosing;  675 IU/ 2 sprays or 1250 IU/ 4 sprays