Vitamin H is an old name for biotin.

He broke his leg bone.

Many ancient bones were found in this ancient ruins.

Bones of ancient people were discovered from this ruins.

Provitamin is a substance that turns into a vitamin in the body.

Vitamin B1 plays an important role in energy production.

Vitamin B12 is an important nutrient for maintaining the health of the nervous system.

Hypervitaminosis occurs when the intake of vitamins is too high.

He was able to turn his designs into physical form using his new 3D printer.

I made a small robot with my new 3D printer.