Forty sprays equals one teaspoonful. Contains no preservatives, sugar, starch, salt, wheat, gluten, yeast, corn, milk, soy derivatives, artificial flavoring or coloring agents. The product can be called a true colloid. Then, the particles can remain in suspension almost indefinitely. Other products that are not true colloids will be another color, unless coloring is added.
Color is a critical indicator of colloidal silver quality.
With colloidal silver, higher concentrations of silver are not necessarily better. As a matter of fact, the opposite is usually true. However, beware of products with higher concentrations as they may cause problems which could upset your natural balance and lead to other complications. Younger children can take half this amount. It is tasteless and odorless.