Green Island Naturals capsules are 5mg Dry CBD capsules are made from organic food grade hemp flowers. These high grade flowers are heated, ground, and then encapsulated in the amount of 5mg of CBD per capsule. Capsules are a quick and easy form of dosing, just swallow a capsule and 5mg of CBD relief is on the way. Capsules are processed through the liver, so they can take up to 2 hours to get full effects. 5mg of CBD is an ideal amount for micro dosing, to treat glaucoma, regulate blood sugar levels and mood disorders.