When manufacturers add titanium dioxide to foods and other ingestible products, it’s typically referred to as E171, which relates to food-grade purity.

Titanium IV oxide is also used in the pharmaceutical industry. It is often used as a coating for medications to improve their stability and appearance. Titanium dioxide helps to protect medications from degradation caused by light, moisture, and other environmental factors. It is commonly used in tablets, capsules, and other oral dosage forms to improve their shelf life and effectiveness.

Comparisons