Transdermal patches (adhesive patches placed on the skin) may also be used to deliver a steady dose through the skin and into the bloodstream. Testosterone-containing creams and gels that are applied daily to the skin are also available, but absorption is inefficient (roughly 10%, varying between individuals) and these treatments tend to be more expensive. Individuals who are especially physically active and/or bathe often may not be good candidates, since the medication can be washed off and may take up to six hours to be fully absorbed. There is also the risk that an intimate partner or child may come in contact with the application site and inadvertently dose himself or herself; children and women are highly sensitive to testosterone and can suffer unintended masculinization and health effects, even from small doses. Injection is the most common method used by individuals administering AAS for non-medical purposes. 
Pharmacom Labs Oxandrolonos is presented in a 100 tablet box with 2 blister packs of 50 tablets each. Each tablet reportedly contains 10 milligrams of oxandrolone according to the label and packaging. Samples of this product were purchased from a North American-based authorized distributor between the dates of June 1, 2015 and June 30, 2015. The samples were forwarded and received by the analytical laboratory SIMEC AG for HPLC-UV testing on July 20, 2015. The quantitative dosage testing report was completed on August 10, 2015. The product was identified with an expiration date of October 15, 2018 and a batch number of MBMN1. There was no verification code printed on the box.
Anabolic and androgenic steroids are available as prescription medications to be used in cases in which the body does not make enough hormone and supplementation may be required. Some hormone supplements in this pathway include growth hormone and testosterone itself. These medications are legally prescribed by health-care providers, but this group of drugs is often used illegally and abused to help increase athletic performance and improve body appearance. When used in a well-nourished body, anabolic steroids will cause weight gain primarily due to an increase in muscle mass.