Research-backed compound with potential health benefits.
Probably not. Most diets in North America provide enough. Get tested or talk to a doctor if you suspect a deficiency.
Selenomethionine. It's the form found in food and your body absorbs it very well.
You can, but it's tricky. One Brazil nut can have 60-90 mcg, but some have way more. The dose is inconsistent. A supplement is more precise.
Click through to the studies bar for the evidence base.
See the dosing guide below.
Compare formats before buying.
Some ingredients build up over weeks. Others act fast.
The compound effect of consistent dosing.
Check the cautions section if you have a pre-existing condition.
Some ingredients you feel. Others just work in the background.
Garlic breath, a metallic taste, hair loss, and brittle nails are the classic signs. Stop taking it if you notice these.
Research shows it can help lower thyroid antibodies. But this is a conversation for you and your endocrinologist, not for self-treatment.
Check the labels first. Many multivitamins already contain selenium. Add up all sources to make sure you're under the 400 mcg/day limit.
Most research uses 200.0g daily. Below 55.0g, you're probably wasting money. Above 300.0g, no extra benefit. The curve plateaus. Safe upper limit ~ 400.0g.
Pending comprehensive analysis.
Soil. Plants absorb it, and then animals eat the plants. The amount varies wildly depending on the region's soil quality.
Se2+ interacts with other supplements and meds. The analyzer flags interactions, dose mismatches, and timing collisions across your whole list.
FDA Disclaimer: These statements have not been evaluated by the Food and Drug Administration. This information is for educational purposes only and is not intended to diagnose, treat, cure, or prevent any disease. Consult your healthcare provider before starting any supplement regimen.