Further, she espoused spontaneous generation and the presence of a "vital substance".

Phosphatidylcholine is a vital substance found in every cell of the human body.

In 1935 he created the general term vital substances.

Except for oxygen, it is the most vital substance on the planet for people.

The company says its operation will help free United States hospitals from dependence on military and foreign sources of these vital substances.

Vitamins are natural substances vital for growth and health.

And now the son of Ur had unlimited quantities of this vital substance.

In animals and humans, hemoglobin is the vital substance that carries blood to all tissues of the body.

Not for centuries had any man recalled its vital substance or known where to find it, but this book was very old indeed.

The new mutated substance had permeated every cell of the human's bodies, replacing vital substances.