Why use titanium dioxide for color in my dietary supplement, is that metal? How safe?.?
Answer:
Looks like there has been debate on this topic. You could try looking at the reference below as a way into the subject.
You're right, titanium is a metal, but when it's in a compound (like titanium dioxide) it behaves quite differently. Think of sodium which reacts with water but is essential to our well being in the form of sodium chloride. Calcium is a reactive metal but calcium compounds strengthen bones. The fact that titanium is a metal should not, of itself, give you cause for concern.
The reference below gives you some idea of the ebb and flow of debate about safety of titanium dioxide in food, makeup etc.
Titanium dioxide is a white pigment, often used in paint, and is harmless.
Titanium is a metal, but titanium dioxide is a metal salt. Just like sodium is a metal, but sodium chloride is table salt. It is a generally harmless whitening agent, used in foods and pharmaceuticals.
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