Less than 20 Lbs. People Pets 4mg-9mg 1-2 drops Twice Daily or As Needed For The Pursuit Of Happiness 21-40 Lbs. People Pets 6mg-12mg 1-4 drops Twice Daily or As Needed For The Pursuit Of Happiness 41-60 Lbs. People Pets 9mg-18mg 2-6 drops Twice Daily or As Needed For The Pursuit Of Happiness 61-80 Lbs. People Pets 10mg-20mg 2-8 drops Twice Daily or As Needed For The Pursuit Of Happiness 81-100 Lbs. People Pets 12mg-23mg 4-10 drops Twice Daily or As Needed For The Pursuit Of Happiness 101-120 Lbs. People Pets 14mg-25mg 10-12 drops Twice Daily or As Needed For The Pursuit Of Happiness 121-140 Lbs. People Pets 16mg-25mg 12-14 drops Twice Daily or As Needed For The Pursuit Of Happiness 141-160 Lbs. People Pets 18mg-27mg 16-24 drops Twice Daily or As Needed For The Pursuit Of Happiness 161-240 Lbs. People Pets 20mg-29mg 16-24 drops Twice Daily or As Needed For The Pursuit Of Happiness 241 Lbs. and over People Pets 23mg-45mg 24+ drops Twice Daily or As Needed For The Pursuit Of Happiness