Corundum, naturally occurring aluminum oxide mineral (Al2O3) that is, after diamond, the hardest known natural substance.
Citronella, a natural substance, is another time-honored repellent.
One approved for use is calcium hydroxylapatite, also a natural substance.
Creatine is a natural substance found in meat and fish which enhances muscle performance and growth.
Their utility stems from the fact that diamond is the hardest natural substance known.
Betaine is a natural substance involved in human physiology and metabolism in various ways (reviewed in35).
As is known to all, diamond is the hardest natural substance.
In addition, from a commercial point of view, resveratrol is a natural substance and not patentable.
Who had time to worry about a distant danger from a natural substance like carbon dioxide?
A. Creatine is a natural substance, largely found in muscle, that's sold as a supplement.
One of natural substance used in leather tanning is true indigo (Indigofera tinctoria L).
