What’s it for? What's it for?Health Applications for Needle-Free InjectionThe following are some common uses of the Comfort-in™ needleless injection system: PERSONAL USE Intramuscular Injection Flu Vaccination by Jet Injector Pets with Diabetes Insulin Injections Erectile Dysfunction IVF: In-Vitro Fertilisation Testosterone Injections Methyl B12 & Vitamins Needleless Painless Insulin Injection Pens Needleless Injection for Diabetes Needle Free Insulin Injectors Insulin Without Needles Insulin Autoinjector for Dogs Injectable Vitamins and Syringes PROFESSIONALS Professional Applications Dental General Surgery Needle Free Dentists A Needle Free Delivery Solution for Podiatrists Instructions for Dental Injections Advisory Board Studies Concerning Needle Free Injection Comparison & Alternatives