Giving mice a specific type of hyaluronic acid pill every day for a week doesn't make more of it show up in their blood or body tissues compared to mice that just got water.

If you give female mice a special kind of hyaluronic acid pill every day for a week, their bodies end up with more of this substance in their blood and several organs like their skin, eyes, and bladder.

If you give tiny mice a special kind of jelly-like substance through their mouth for a week, it shows up in places like their eyes and bladder—even though they didn’t swallow it there—meaning it traveled through their body.

Taking a specific type of hyaluronic acid pill every day for a few weeks can make skin look brighter and less yellow in Chinese women between 18 and 65.

Taking a specific type of hyaluronic acid pill every day might help keep the skin’s inner layer from thinning when you're sick, but people who take a fake pill (placebo) tend to lose skin thickness instead.

Taking a specific type of hyaluronic acid pill every day for 3 months doesn’t make the deeper layer of your skin thicker, which means it probably only works on the top layer.