Ketotifen is an antihistimine that inhibits down regulation of beta receptors, which are often degraded by fat-burners such as Albuterol and Clenbuterol.
Ketotifen fumarate alleviates allergy symptoms and asthma.
Removes Clen side effects: trembling hands, high blood pressure, nausea.
Use with Clenbuterol or Albuterol to increase effectiveness and duration of the cycle.