Yes Advair has a steoid in it

Steroid Hormones only enter the bloodstream by diffusion. If you are a student taking anatomy/phyiso 2

and refering to this question:

All steroid hormones are derived from (cholesterol). Which steroid hormone is produced is determined by the (enzymes) present in the cell. The common precursor molecule for all steroid hormones is (pregnenolone). Steroid hormones enter the blood stream by (diffusion) and (do) require a carrier. The rate of secretion of steroid hormones is (slower) then catecholemines because steroid hormones are not (stored).

Hope that helps-

Steroid refers to the group name for lipids that contain a hydrogenated cyclopentanoperhydrophenanthrene ring system.

protein

Cholesterol