Buy Yaz is a type of contraception that belongs to the category ‘sub-30’ pills. It is a combined oral contraceptive pill, which means it contains two active ingredients, ethinylestradiol and drospirenone. These are synthetic versions of the naturally occurring female sex hormones oestrogen and progestogen. Yaz 24+4 protects against pregnancy by preventing the release of an egg from the ovaries and changing the properties of uterine and cervical mucus. Yaz 24+4 is only available on prescription.