What is a Sodium selenite (Na2SeO3)?

Sodium selenite (Na2SeO3) is an inorganic compound consisting of selenium (Se) and sodium (Na). Selenium is an essential trace element for the human body, playing a critical role in various physiological functions. Sodium selenite is primarily used as a source of selenium in supplements, fertilizers, and industrial applications. Sodium selenite helps address selenium deficiencies in both animals and plants. Selenium has antioxidant properties, aiding in the removal of free radicals and contributing to cellular health. It is also linked to supporting immune function, cell repair, and reducing the risks of cancer and heart disease. It has also been explored for its potential anti-aging benefits.

While beneficial in small amounts, excessive intake of sodium selenite can lead to selenium toxicity. Careful dosing is required to avoid harmful effects. Sodium selenite is also used in industrial applications, particularly in glass production and electronics, where it helps control colors and textures.

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