smart pill
/ˈsmɑːt ˌpɪl/Chiefly Medicine
noun
1A (hypothetical or real) drug that increases or preserves cognitive ability or memory.
2A tiny capsule-like device incorporating a miniaturized camera, sensor, pump, or other mechanism, often with a microchip, which can be inserted into the body for diagnostic or therapeutic purposes.
Origin
1950s; earliest use found in The San Mateo Times. From smart + pill.