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Treatment

Selenium

Antioxidant trace mineral for immune and thyroid support

Backed by 2 high-credibility studiesStudies7Conditions1CategoryCAMLast reviewedApr 2026
Complementary and Alternative Medicine (CAM)
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Overview

In plain language

Selenium supports thyroid hormone production, antioxidant defense, and immune function.

This essential trace mineral forms part of the antioxidant enzyme glutathione peroxidase, protecting cells from oxidative damage. It supports thyroid health, immune defense, and male reproductive wellness. Seniors benefit from its protective, restorative roles.

Benefits

Use this section to compare the kinds of benefits people most often look for from this treatment.

General Benefits

Promotes immune strength, antioxidant balance, and metabolic health.

Physical Benefits

  • Boosts immunity: Supports antibody response.

  • Protects thyroid: Aids hormone conversion.

  • Reduces oxidative stress: Neutralizes free radicals.

  • Supports heart health: Protects vessels from oxidation.

  • Improves skin health: Enhances antioxidant repair.

  • Supports fertility: Promotes reproductive enzyme function.

Mental Benefits

  • Improves clarity: Enhances brain antioxidant protection.

  • Reduces fatigue: Supports thyroid-related energy.

  • Promotes calm: Balances stress and metabolism.

  • Supports mood: Aids hormonal steadiness.

Additional Information

Related Conditions: Thyroid imbalance, fatigue, oxidative stress, immune weakness, heart disease, infertility, inflammation

Relevant Research

Review the available studies by quality score or date to see where the evidence is strongest.

Research Study

Glutathione Supplements Improve Antioxidant Levels in Older Adults

Study Credibility: High

Taking oral glutathione can safely increase antioxidant levels in seniors, supporting overall health.

1/1/2026
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Research Study

Supplementing Cysteine and Glycine Reduces Oxidative Stress in Seniors

Study Credibility: High

Taking cysteine and glycine can help restore important antioxidants in seniors, reducing oxidative stress significantly.

4/22/2026
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Research Study

Myo-inositol and Selenium Improve Thyroid Function in Hashimoto's Patients

Study Credibility: Medium

Taking myo-inositol with selenium helped improve thyroid hormone levels in patients with mild hypothyroidism due to Hashimoto's disease.

5/10/2026
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Research Study

Liposomal Glutathione Boosts Immune Health in Seniors

Study Credibility: Low

Daily liposomal glutathione supplements can significantly increase glutathione levels by up to 40% and enhance immune function in older adults.

6/16/2026
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Research Study

Natural Supplement Offers Symptom Relief for Enlarged Prostate

Study Credibility: Low

A study found that a supplement from saw palmetto, selenium, and lycopene helps reduce urinary symptoms in older men, without affecting sexual function.

1/1/2025
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Research Study

Antioxidants May Help Manage Oxidative Stress in Seniors

Study Credibility: Low

Research shows antioxidants could reduce oxidative stress, potentially benefiting seniors with chronic conditions.

8/19/2023
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Research Study

Dietary Supplement Myoinositol May Help Thyroid Health in Seniors

Study Credibility: Low

Myoinositol, combined with selenium, showed potential for improving thyroid function and reducing autoimmune thyroid disease markers.

1/1/2022
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Frequently Asked Questions About Selenium

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