subject: Clenbuterol cautions and examples of courses [print this page] Do not combine Clenbuterol with other CNS stimulants. Do not start taking Clenbuterol immediately with large dosages. Unpleasant side effects can appear after this. The most unpleasant effects after use begin on the 3 -4 day after the start. An example of the first course: 1 day: 20 mg Day 2: 40 mcg Day 3: 60 mcg Day 4: 80 mcg Day 5: 80 mcg 6-12 days: 100 mg Day 13: 80 mg Day 14: 60 mcg Day 15: No Day 16: No Day 17: eka An example of the second course: Day 1: 60 mcg Day 2: 80 mcg Day 3: 80 mcg Day 4: 100 mcg Day 5: 100 mcg 6-12 days: 120 mg Day 13: 100 mcg Day 14 80 mcg Day 15: No Day 16: No Day 17 eka