Bismuth nitrate is a salt. It contains the heavy metal bismuth.

People use bismuth nitrate for preventing kidney damage caused by cancer drugs, for preventing bone marrow damage caused by radiation, and for a digestive tract infection that can lead to ulcers (Helicobacter pylori or H. pylori), but there is no good scientific evidence to support these uses.

Bismuth nitrate is used in cosmetics as a pigment.

In December 2019, the U.S. Food and Drug Administration added bismuth nitrate to the Dietary Supplement Ingredient Advisory List. The ingredients on this list might not be lawful to include in dietary supplements. For this reason, people may want to avoid using supplements containing bismuth nitrate.

Do not confuse bismuth nitrate with other bismuth salts. See separate listing for bismuth.

How does it work ?

Bismuth nitrate causes some cells to make a protein called metallothionein. This protein protects the cells from damage caused by free radicals.
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