Selenium, while not the newest antioxidant discovered, has gained significant attention in recent
years for its powerful antioxidant properties and essential role in human health.
What is Selenium?
Selenium is a trace mineral that is essential for human health. It’s found naturally in soil and is
absorbed by plants, making its way into the food chain.
Antioxidant Properties:
- Forms selenoproteins, which are powerful antioxidants
- Helps protect cells from damage caused by free radicals
- Works synergistically with other antioxidants like Vitamin E
Health Benefits: - Supports thyroid function
- Boosts immune system
- May reduce risk of certain cancers
- Supports cardiovascular health
- Important for cognitive function
- May help with fertility and reproduction
Dietary Sources: - Brazil nuts (highest natural source)
- Seafood (tuna, halibut, sardines)
- Organ meats
- Poultry
- Whole grains
- Mushrooms
Recommended Daily Intake:
The recommended daily allowance for adults is 55 micrograms per day. However, needs may
vary based on individual health conditions.
Potential Risks:
While selenium is essential, excessive intake can be harmful. Symptoms of selenium toxicity
include: - Garlic breath
- Nausea
- Diarrhea
- Skin rashes
- Brittle nails
- Hair loss
Research and Future Prospects:
Ongoing research is exploring selenium’s potential role in: - Cancer prevention
- HIV treatment
- Cognitive decline prevention
- Fertility treatments
As with any supplement, it’s crucial to consult with a healthcare provider before adding selenium
to your regimen, especially as it can interact with certain medications and health conditions
