MIT engineers designed a drug capsule that can carry insulin or other protein drugs and protect them from the harsh environment of the gastrointestinal tract. When the capsule reaches the small intestine, it breaks down to reveal dissolvable microneedles that attach to the intestinal wall and release drug for uptake into the bloodstream.
Click here for original story, New capsule can orally deliver drugs that usually have to be injected
Source: ScienceDaily