Specially created using an advanced formula, the Respro Labs B12 Patch provides better B12 release from the patch system compared to the competition. Our patches are laboratory-tested for better release compared to other patches with similar ingredients. Superior and cost-effective patch release formulation that helps you get your needs met in a hurry. If you're tired of taking pills, sprays, sublinguals, and other patches that just don't seem to work, Respro Labs is offering you an easy and fun way to use a proven solution with superior benefits. Respo Labs refuse to compromise quality for cost. Our patches: Are laboratory tested to ensure superior release compared to our competitors. Are created using a proven B12 formula. Are backed by science and innovation. Are designed by Respro Labs' world-class natural patch experts. Pure Quality, No Gimmicks. We understand that with so many options to choose from, it can be hard to make a decision. That's why we've made things easy for you. At Respro Labs, we design, formulate, and manufacture all our products directly in our own labs and ship them straight out to you. We do not outsource or buy from any other vendor like so many of our competitors do, so you can rest assured you are getting nothing but the highest quality patch.