Health food refers to food products which claim to have specific health functions or supplement one's vitamins or minerals.

保健食品是指具有特定保健功能或补充维生素或矿物质的食品。

youdao

Lettuce have nutrition and health functions.

莴苣对人体有营养和保健作用。

youdao

Pumpkin have nutrition and health functions.

南瓜对人体具有营养和保健作用。

youdao

Private Health functions as a kind of running, independent second opinion.

WSJ: The Weekend Interview with Leslie Michelson: Doctor to the 1% (and Maybe Someday to You)

The public health system functions more efficiently.

NPR: Haiti Violence Disrupts Health Care Services

One irony is that for all its white-glove extras (a research department, genetic profiling), a lot of what Private Health does are core functions that patients would value and providers or insurers ought to be doing but rarely do (case management, using computers).

WSJ: The Weekend Interview with Leslie Michelson: Doctor to the 1% (and Maybe Someday to You)