Selenium for Vaccine Response Support
CAdequate selenium status is associated with enhanced natural killer cell activity and improved vaccine response, particularly in elderly populations. Supplementation in deficient individuals may help restore optimal immune responses to vaccination.
The Bottom Line
Adequate selenium status is associated with enhanced natural killer cell activity and improved vaccine response, particularly in elderly populations. Supplementation in deficient individuals may help restore optimal immune responses to vaccination.
Key Study Findings
Population: Scoping review: nutritional status and COVID-19 vaccine
Population: Patients with metabolic steatotic liver disease (review)
Population: Healthy adults post-COVID-19 vaccination
Population: Mouse model
Population: None
Key Statistics
5
Studies
400
Participants
Positive
Grade
Referenced Papers
Dosage & Usage
mg = milligrams · mcg = micrograms (1,000× smaller) · IU = International Units
Commonly Used Dosages
- general:
- 55 mcg/day
- immunesupport:
- 100-200 mcg/day
Upper limit: 400 mcg/day
Dosages Studied in Research
| Dosage | Duration | Effect | N |
|---|---|---|---|
| None | -- | Mixed | 7014 |
| None | -- | Mixed | -- |
| None | -- | Mixed | -- |
| Fe, Zn, Cu, Se, vitamins A, D, E (measured) | -- | Positive | 44 |
| None | -- | Positive | -- |
| 4 g | -- | Positive | -- |
| Selenium supplement (dose not specified) | -- | Neutral | 105 |
| Various inorganic and organic selenium forms; dose-response assessed via plasma selenium concentrati | -- | Mixed | -- |
Best taken: With meals
Safety & Side Effects
Reported Side Effects
- ⚠ Selenosis at chronic high doses (hair loss, nail brittleness, garlic breath odor)
- ⚠ Nausea and diarrhea
- ⚠ Fatigue and irritability
- ⚠ Nerve damage (peripheral neuropathy) at very high chronic doses
Known Interactions
- ● Cisplatin and other chemotherapy agents (selenium may modify effects)
- ● Statins (selenium may affect cholesterol metabolism)
- ● Birth control pills (may lower selenium levels)
- ● Gold salts (mutual reduction of effectiveness)
Tolerable upper intake: 400 mcg/day
Always consult your healthcare provider before starting any supplement.
Frequently Asked Questions
Does Selenium help with Vaccine Response Support?
How much Selenium should I take for Vaccine Response Support?
Are there side effects of Selenium?
How strong is the evidence for Selenium and Vaccine Response Support?
FDA Disclaimer: These statements have not been evaluated by the Food and Drug Administration. The products and information on this website are not intended to diagnose, treat, cure, or prevent any disease. The evidence grades presented are based on our analysis of published peer-reviewed research and do not constitute medical advice. Always consult your healthcare provider before starting any supplement regimen.