Mineral
Cesium
Cesium is a soft alkali metal that occurs in trace amounts in the environment. It has no known role in human nutrition.
A supplement label is not evidence of safety
In the US, the FDA considers marketed cesium-chloride supplements adulterated because the required conditions for a new dietary ingredient have not been met. This is a US regulatory assessment. 1
Sources
- Cesium Chloride in Dietary Supplements US Food and Drug Administration