Silicon is a trace mienral.
There is no Daily Value, Recommended Dietary Allowance (RDA), or estimated range of safe and adequate intake for silicon.
Silicon is not considered and essential mineral.
The average daily diet contains between 5mg. and 20mg. of silicon.
There are no known symptoms of a silicon deficiency.
Dietary Needs: Although silicon is not surrently reconized as an essential mineral, some research shows that this mineral might be important for human growth and development.