People who naturally have more vitamin D in their blood tend to be a tiny bit taller as adults—like a small nudge in height—not much, but it’s a real pattern scientists noticed.

People who naturally have more vitamin D in their blood tend to be a tiny bit taller as adults—like a small nudge in height—because their bodies have had more vitamin D throughout life.

People who naturally have more vitamin D in their blood tend to be taller as adults, and this link comes from our genes—not because vitamin D makes you grow taller, but because the same genes that affect vitamin D also affect how tall you get.

Being taller doesn’t cause your body to have more or less vitamin D—any link you see between height and vitamin D is probably because taller people spend more time outside or have bigger bodies, not because height directly affects vitamin D.

If you already have enough vitamin D, taking more won’t make you significantly taller — even if your vitamin D levels go up a bit, your height won’t change much.

If you already have enough vitamin D, taking more won’t make you significantly taller — the tiny boost you might see is too small to matter in real life.