Key Benefits

• Supports your thyroid with selenium for daily balance.

• Helps your immune system function at its best.

• Protects cells from everyday oxidative stress.

• Contributes to healthy hair and nails.

Feel your best every day with this essential trace mineral. Selenium is something your body can’t make on its own, so it’s important to get enough through your diet or a quality supplement.

Thorne’s Selenium is designed to help you maintain healthy levels of this vital nutrient. Selenium supports normal thyroid function, which plays a key role in energy and metabolism. It also helps your immune system work as it should and protects your cells from oxidative stress—so you can keep up with life’s demands.

Looking after your hair and nails? Selenium contributes to their maintenance, too. With Thorne’s Selenium, you can support your overall wellbeing in one simple step.

Thyroid and immune support, plus cell protection—made easy with Thorne.

What sets Thorne apart is its third-party testing and certification, ensuring that the contents of the package match the label and are free from unsafe levels of contaminants like heavy metals, pesticides, and microorganisms. This commitment to purity and accuracy gives you peace of mind knowing that what you’re taking is safe and effective .

Thorne sets the standard for excellence in the supplement industry. Recommended by over 100 professional sports teams and U.S. National Teams, Thorne offers a curated bundle of clean, science-backed supplements and treats designed complement a healthy lifestyle. With more than 30 years of dedication to quality, Thorne's commitment to purity and potency begins with sustainably sourced ingredients and rigorous testing. Every supplement undergoes four rounds of testing to ensure optimal absorption, safety, and efficacy, making Thorne the trusted choice for both health-conscious individuals and professionals.

With our Healf Curation Process, we do the work for you. Shop with confidence knowing that every item has been tried, tested, and curated for you.

Learn more about each step—Brand Discovery, Expert Validation, and Community Testing—here.

Selenium (as L-Selenomethionine), Bulking Agent (Microcrystalline Cellulose), Hypromellose (Derived from Cellulose) Capsule

Take 1 capsule daily or as recommended by your health professional.

Additional Information:

Food supplements and foods sold by Healf should not be used as a substitute for a varied, balanced diet and healthy lifestyle.

If you are pregnant, breastfeeding, have a medical condition, or are taking any medications, please consult with a healthcare professional before use. Use products only if the seal is intact. Store in a cool, dry place, out of the reach of young children. Do not exceed the recommended daily intake.

We make every effort to ensure that product information on our website is accurate and up to date, but packaging and ingredients may occasionally vary from images shown on site. Please refer to the product label and contact Healf before use if you have any questions regarding your specific allergies or intolerances.