|
occurring hormone
|
1.45 |
|
Androstenedione supplements are made of a naturally occurring steroid hormone. |
|
occurring substance
|
1.25 |
|
Creatine is a naturally occurring substance in food. |
|
occurring bacterium
|
0.79 |
|
Naturally occurring bacteria essentially eat the trash. |
|
occurring protein
|
0.53 |
|
TPA is a naturally occurring protein that dissolves clots. |
|
occurring chemical
|
0.33 |
|
These changes are caused by fluctuating levels of serotonin, a naturally occurring chemical in the body. |
|
occurring gas
|
0.33 |
|
Radon is a naturally occurring radioactive gas that escapes from underground rocks and soils. |
|
occurring compound
|
0.26 |
|
OH is a naturally occurring compound that helps clean many pollutants in the lower atmosphere. |
|
occurring metal
|
0.26 |
|
Mercury, a naturally occurring metal, is also released by burning trash or coal. |