Medzsupplier is a online retailer that sells azithromycin under the brand name Azee 500. However, it is important to note that purchasing medication from online retailers can be risky, as there is a risk of receiving fake or substandard medication. If you are considering purchasing medication from Medzsupplier or any other online retailer, it is important to ensure that the retailer is a reputable and legitimate supplier with proper licensing and authorization to sell medication in your area.