Supports a healthy immune system and thyroid function.
Effective Dose
55-200 mcg
Onset
2-4 weeks
Cost
Budget
Cycle
Selenium can be taken daily long-term without cycling.
7 things you need to know
What it does
Supports a healthy immune system and thyroid function.
Worth it?
7.5/10. Selenium is a vital trace mineral supporting immunity and thyroid function. While deficiency is relatively uncommon in developed countries, supplementation can be beneficial, particularly for those with specific health conditions or dietary restrictions. It's a solid choice for overall wellness.
How much to take
55-200 mcg
Price
Cheap (under $15/month)
How fast it works
Takes 2 to 4 weeks to notice
Safety
Check if: individuals with hyperthyroidism, those taking blood thinners
What people say
Most people don't feel any immediate effects from selenium supplementation. Long-term benefits may include improved energy levels and better immune response.
Selenium is named after the Greek moon goddess Selene, reflecting its discovery alongside tellurium, which is named after the Earth.
"Most people don't feel any immediate effects from selenium supplementation. Long-term benefits may include improved energy levels and better immune response."
Research backing for this ingredient
Some evidence, more research needed
Limited
Yes
Strong agreement among researchers
"Selenium's role in immune function, thyroid hormone production, and antioxidant defense is well-established through numerous studies. It is recognized as an essential nutrient by health organizations."
Selenium is a trace mineral important for several bodily functions, including immune response and thyroid hormone production. Supplementing can help ensure adequate levels, especially if your diet is lacking.
Products below minimum dose are likely ineffective
When
Any time
How
55-200 mcg
Food
Can be taken with or without food.
Noticeable benefits to immune function and thyroid health may take several weeks of consistent supplementation.
Selenium can be taken daily long-term without cycling.
Check for specific interactions.
Selenium (Immune) is categorized as a mineral.
Scientific consensus score: 8/10.
Evidence quality: STRONG.
Add Selenium (Immune) to your stack analyzer or compare it with other ingredients.
Not medical advice. Always consult a healthcare provider.