Subcutaneous Injection Syringes Not all androgenic-anabolic steroids (AAS) are administered intramuscularly or intravenously. Some performance-enhancing drugs can only be administered via subcutaneous injection. Here's everything you need to know about subcutaneous injection syringes before you order. 1) What is a subcutaneous injection syringe? A subcutaneous injection, also known as a Sub-Q or SQ injection, is an injection that is administered directly into the fatty tissue located just under the skin. In the medical field, subcutaneous injection is recommended and used for the administration of fertility drugs, blood thinners, and insulin...

