Ingredient
Zinc & Selenium
What is Zinc & Selenium?
Zinc and selenium are essential minerals that play important roles in the human body. Zinc is typically obtained through foods like meat, shellfish, and legumes. Selenium is found in foods such as Brazil nuts, seafood, and grains. Both minerals are necessary for various bodily functions, including immune response and antioxidant defense.
Zinc and selenium are often combined in supplements for their purported health benefits. Zinc supports immune health and wound healing, while selenium is an important component of antioxidant enzymes. However, scientific evidence regarding the effectiveness of supplementing these minerals in improving health outcomes varies and can depend on an individual's nutritional status.
When seen on a label, these minerals are usually present in products aiming to support overall health or targeted at specific health concerns like immune function. They are generally well-tolerated in amounts typically found in food, but excessive intake from supplements may pose health risks.
Commonly found in: Dietary supplements, Fortified foods, Functional drinks, Multivitamins, Health-focused foods
What to watch
- Excessive zinc intake can lead to nausea and immune suppression.
- Very high selenium intake may result in selenosis, with symptoms like gastrointestinal upset and hair loss.
Benefits
- Zinc is essential for a healthy immune system and wound healing.
- Selenium is crucial for antioxidant activity and thyroid health.
Both minerals are recognized as essential nutrients by the FDA. They are generally regarded as safe in usual dietary amounts.
Evidence supports zinc and selenium's roles in health, but supplement benefits over adequate dietary intake are still debated.
Both zinc and selenium are mineral elements, not derived from animal sources.
Sources: Zinc Fact Sheet for Health Professionals · Selenium Fact Sheet for Health Professionals
Scout's take
Lobster is a notable source of zinc for immune function and selenium for thyroid health
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