Supplements / Conditional
Selenium
Best for: Nutritional coverage, Immune support
Selenium is rated good evidence (tier B on our evidence scale). 55–100 mcg daily; do not exceed 400 mcg/day chronically. Morning.
Sources last reviewed
When and how to take Selenium
- Dose
- 55–100 mcg daily; do not exceed 400 mcg/day chronically.
- Timing
- Morning.
- Review
- Reassess after 8 to 12 weeks.
- Forms
- selenomethionine
What Selenium is used for
- Geographic deficiency belts (parts of UK, NZ, China) make this region-specific.
- Two Brazil nuts often hit the daily target without a supplement.
When Almavivo suggests Selenium
- If selenium plays a role in thyroid hormone metabolism: studied for thyroid antibody markers in autoimmune thyroiditis.
What to look for when buying Selenium
- Preferred third-party verification: USP Verified.
- Common contamination risks: Mislabeling / identity.
- Form: Selenomethionine is well absorbed; sodium selenite is also fine.
Talk to a clinician first
This is a supplement we won’t link to a specific product without clinician context. Narrow safe range; chronic excess is harmful.Once we offer clinician partner pathways, this is where they’ll appear.
If you’re working with a doctor or qualified practitioner, they can advise on dose, brand, and monitoring.
Your experience
If you’ve tried Selenium, you can log how it went. This stays on your device — only you see it.
We frame these as personal experience, not medical claims. Self-reported subjective outcomes are influenced by placebo, regression to the mean, and parallel lifestyle changes. We’ll never present ratings as equivalent to RCT evidence.
Research sources for Selenium
- NIH ODS Selenium Fact Sheet (reviewed 2026-04-30)
Related supplements
Almavivo is for education only, not medical advice. Check with a doctor or pharmacist before starting a supplement, especially if you take prescription medicine, are pregnant or breastfeeding, or have a long-term health condition.