Before you try this, ask yourself "how much water have I drank today? what about yesterday?" Seriously, a pinch of celtic salt and a glass water when you first wake up is your best bet, this is a runner up.
Headache oils
$12.00Price
All headache oils have Castor oil and Vitamin E. The herb is the difference.
Sinus-Eucalyptus
Tension- Peppermint
Stress - Lavender