This odor, which is characteristic of the compounds of arsenic, is termed alliaceous. When selenium or a selenidc is strongly heated, a distinct smell of decayed horse-radish is perceived. This smell, which is peculiar to burning selenium, is known as the horse-radish odor.

Does selenium have a bad taste?

For women who are pregnant or lactating, this increases to 70 mcg. Anything over 900 mcg per day can be toxic. Signs of too much selenium include a garlic-like odor on your breath and a metallic taste in your mouth.

Is it safe to take selenium everyday?

When taken by mouth: Selenium is LIKELY SAFE for most people when taken by mouth in doses less than 400 mcg daily, short-term. However, selenium is POSSIBLY UNSAFE when taken by mouth in high doses or for a long time. Taking doses above 400 mcg can increase the risk of developing selenium toxicity.