Ingredient
Selenium
What is Selenium?
Selenium is a trace mineral naturally found in soil, water, and some foods. It is essential for various bodily functions, including the production of antioxidant enzymes.
It is used in dietary supplements and is sometimes added to food and beverages for its potential health benefits. Scientific studies suggest selenium is important for immune function and may play a role in preventing certain diseases, but more research is needed to make definitive claims.
When you see selenium on a label, it is often included as part of a nutritional supplement or an enhancement to foods, beverages, or water products.
Commonly found in: dietary supplements, fortified foods, bottled beverages, water filters, immunity boosting products
What to watch
- High doses of selenium can lead to toxicity, known as selenosis, which manifests in symptoms like gastrointestinal distress, hair loss, and nerve damage.
Benefits
- Selenium is an important antioxidant, helping to protect cells from damage.
- It plays a role in thyroid hormone metabolism and immune system function.
Selenium is recognized as an essential nutrient by the FDA, with established daily values.
Research supports selenium's role in health, though the exact benefits and risks at various intake levels are still under study.
Selenium itself is mineral in origin and is vegan.
Scout's take
Selenium is a trace mineral important for antioxidant defense and immune function. It is included in supplements to support overall health and protect cells from oxidative damage. The effectiveness of selenium depends on its form and dosage.
More from Scout's analyses
Selenium is reduced by 99.0%, which is important as it can be toxic in high amounts.
from the analysis of iSpring RCC7 Reverse Osmosis SystemSelenium detected at trace level (4 µg/L), well below typical safety concerns.
from the analysis of Three Bays Sparkling Water Glass BottleFound in 3 products
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