A white pigment that makes your pills look clean and uniform. That's literally all it does.
At supplement doses, probably not. But the EU wasn't comfortable with the safety data, especially regarding nanoparticle forms. The FDA still allows it.
EFSA couldn't rule out that nanoparticles of TiO2 might cause DNA damage in gut cells. They applied the precautionary principle and banned it in food.
It's a personal choice. The amounts are tiny. But since alternatives exist, there's no reason a supplement needs it.
Click through to the studies bar for the evidence base.
See the dosing guide below.
Compare formats before buying.
Some ingredients build up over weeks. Others act fast.
The compound effect of consistent dosing.
Check the cautions section if you have a pre-existing condition.
Some ingredients you feel. Others just work in the background.
Calcium carbonate, rice starch, and other food-grade white pigments. Many brands already switched.
Same chemical compound, different application. In sunscreen it sits on your skin. In supplements it goes through your gut.
Most passes through unabsorbed. Some nanoparticles may cross the gut barrier, which is what concerned EU regulators.
Inorganic compound (TiO2) that reflects visible light, creating a bright white appearance. Used purely for aesthetics in supplement coatings and capsules.
Titanium Dioxide (Color) has emerging evidence.
Ilmenite ore · Rutile mineral deposits
Mined as ilmenite or rutile ore, then processed via sulfate or chloride process to produce high-purity TiO2 particles.
Titanium Dioxide (Color) interacts with other supplements and meds. The analyzer flags interactions, dose mismatches, and timing collisions across your whole list.
FDA Disclaimer: These statements have not been evaluated by the Food and Drug Administration. This information is for educational purposes only and is not intended to diagnose, treat, cure, or prevent any disease. Consult your healthcare provider before starting any supplement regimen.