10 Best Selenium Supplements Reviewed as of April 2024

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NOW Supplements, Selenium (L-Selenomethionine) 100 mcg, Essential Mineral*, 250 Tablets

ESSENTIAL MINERAL/100 mcg TABLETS: Selenium is an essential trace mineral that is found naturally in Brazil nuts, organ meats, seafood, and wheat germ.
YEAST-FREE: Take 1 tablet 1 to 2 times daily with food.
CLASSIFICATIONS/CERTIFICATIONS: Vegan, Soy Free, Non-GMO, Kosher
GMP Quality Assured: NPA A-rated GMP certification means that every aspect of the NOW manufacturing process has been examined, including our laboratory/testing methods (for stability, potency, and product formulation).
Packaged in the USA by a family owned and operated company since 1968.

Thorne Selenium - 200 mcg Selenium Supplement for Antioxidant Support - 60 Capsules

Thyroid Health: Selenium supports normal thyroid function in healthy individuals and is important for the proper functioning of the thyroid gland
Antioxidant: Because selenium is an antioxidant it helps reduce oxidative damage in the body caused by toxins, smoking, alcohol use, and stress. Selenium also promotes healthy skin, hair, and cognitive function
Essential Nutrient: Selenium is an essential nutrient to help maintain optimal health and wellness
Free From: Doesn't contain gluten, eggs, tree nuts, peanuts, dairy, soy, fish, or shellfish
Trusted: Thorne is chosen by champions and trusted by 100+ pro teams. Thorne is the only supplement manufacturer to collaborate with Mayo Clinic on wellness research and content. Thorne is also a proud partner of 11 U.S. Olympic Teams

Bronson Selenium 200 mcg Immune & Antioxidant Support Essential Mineral, 250 Vegetarian Tablets

High Quality & Great Value: Bronson Basics Selenium provides 200 MCG of Selenium per tablet to support a healthy immune system.* We strive to support your good health and well-being through high quality supplements at the best value.
Immune & Antioxidant Support: Fruits and vegetables are quality sources of selenium, but the amount of the mineral in the food depends on the location and soil conditions of where it’s grown. Taking a quality Selenium supplement is an easy way to ensure that you receive enough of this important mineral to support your immune system and antioxidant health.*
Superior Quality: Laboratory tested Non-GMO, Gluten-Free and Soy-Free. Bronson products are in-house tested and carefully manufactured by trained professionals in our state-of-the-art facility that is located in Hauppauge, New York.
cGMP Premium Standards: Every product manufactured by Bronson is put through a rigorous process to ensure purity, potency and integrity. Through our very own cGMP Certified New York Facility that complies with the most current regulations, we promise to deliver top-quality supplements that are consistently verified for quality and safety.
TRUSTED SINCE 1960: The pioneers of Bronson Vitamins were a group of pharmacists who witnessed the benefits of vitamins and mineral supplementation firsthand with their patients. Bronson Vitamins have been consistently mentioned by top medical professionals since our inception in 1960.

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Selenium 300mcg Zinc 50mg Iodine 500mcg L Tyrosine 500mg Ashwagandha 6000mg - Thyroid Support Supplement for Women and Men with Bladderwrack, Turmeric, Kelp, Schisandra - 60 Capsules

Advanced Selenium Supplement & Potassium Iodide Complex for Women and Men - Our product takes selenium and zinc supplements and combines them with potassium iodine, l-tyrosine supplement, and ashwagandha capsules and the results are amazing. Normal thyroid vitamins and supplements contain selenium 200mcg. However, Clean Nutra has officially created an even more potent all in one thyroid supplement.
The Ultimate Thyroid Complex & Iodine Supplement You've Been Looking For - Clean Nutra ThyroDefend provides 5 full-dose products in one thyroid support complex containing a full zinc supplement, iodine supplements for thyroid, selenium supplements, tyrosine powder, and ashwagandha supplements in a convenient 2 capsule dosage. Finally, iodine pills, zinc 50 mg and an ashwagandha supplement have been packed into one convenient solution.
Introducing the ThyroDefend Blend - In addition to thyroid support for women and zinc supplements for men, our formula contains bladderwrack, turmeric, kelp extract, schisandra extract, forskolin, cayenne pepper, vitamin b complex, and magnesium. This is a powerful alternative to iodine drops, iodine tablets, nascent iodine, l tyrosine 1000mg capsules, and selenium 200mcg capsules. Not your typical mood support supplement, potassium iodide tablets.
A Powerful Mood Support Supplement - ThyroDefend is overflowing with potent zinc 50mg capsules and more such as Vitamin A, Vitamin C, Vitamin D3, Copper, Mangonese, and Molybdenum. Clear out the countless zink tablets, ayurveda products, zinc 25mg, and zinc supplements 50mg in your cabinet and replace it with just one inclusive supplement from Clean Nutraceuticals.
Vetted and Trusted Ingredients - We pride ourselves in offering a quality supplement that combines the benefits of zinc pills, l tyrosine gummies, ashwagandha pills and more. Our formulas are proudly made in a registered and certified facility. Many products offer only a few ingredients like l-tyrosine powder and zinc 100mg. However, this all-in-one contains much more.

Bronson Selenium 200 mcg – Yeast Free Chelated Amino Acid Complex - Essential Trace Mineral with Superior Absorption, 250 Vegetarian Capsules

Immune System & Metabolism Support: Selenium naturally supports immune system and prostate function. Selenium may also play a key role in metabolism in both men and women.
Chelated Superior Absorption Selenium: By utilizing the premier manufacturer of chelated minerals (Albion), Bronson’s Selenium 200 MCG provides easy absorption, stability and overall quality. Albion Minerals are backed by science and an impressive 150+ patents ranging from manufacturing processes to food applications.
Yeast Free Essential Micronutrient Selenium Amino Acid Complex: Selenium is a natural micronutrient that may play a vital role in many essential body functions.
Superior Quality: Laboratory tested Non-GMO, Gluten Free, Soy Free. All Bronson products are tested in our state-of-the-art cGMP registered facility in New York.
Trusted Since 1960: The pioneers of Bronson Vitamins were a group of pharmacists who witnessed the benefits of vitamins and mineral supplementation firsthand with their patients. Bronson Vitamins have been consistently mentioned by top medical professionals since our inception in 1960.

Pure Encapsulations Selenium - 200 mcg - for Healthy Cellular Function, Immune System & Antioxidant Defenses - Mineral Supplement - Vegan & Gluten Free - 60 Capsules

Immune Support Supplement: Our selenium capsules are designed to support healthy cellular function and fortify your immune system*
Antioxidant & Thyroid Support: Selenium, an essential cofactor for glutathione peroxidases, aids in maintaining antioxidant defenses and supports healthy thyroid hormone production*
Pure Encapsulations Selenium: Each bottle comes packed with 60 selenium capsules, formulated with vegan ingredients
Suggested Use: As a dietary supplement, take 1 selenium capsule daily, with a meal, or as directed by a health professional
Pure Difference: What we leave out matters, too; Pure Encapsulations products are FREE FROM common allergens, artificial or unnecessary ingredients, and GMOs

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Nutricost Selenium 200mcg, 240 Vegetarian Capsules, Non-GMO, Gluten Free L-Selenomethionine

240 Vegetarian Capsules Per Bottle
200mcg of Selenium Per Capsule
240 Servings Per Bottle - 1 Serving: Just 1 Capsule
Non-GMO, Gluten Free, Soy Free, Vegetarian Capsules, 3rd Party Tested
Manufactured In a GMP Compliant, FDA Registered Facility

Pure Encapsulations Selenium - 200 mcg - for Healthy Cellular Function, Immune System & Antioxidant Defenses - Mineral Supplement - Vegan & Gluten Free - 180 Capsules

Immune Support Supplement: Our selenium capsules are designed to support healthy cellular function and fortify your immune system*
Antioxidant & Thyroid Support: Selenium, an essential cofactor for glutathione peroxidases, aids in maintaining antioxidant defenses and supports healthy thyroid hormone production*
Pure Encapsulations Selenium: Each bottle comes packed with 180 selenium capsules, formulated with vegan ingredients
Suggested Use: As a dietary supplement, take 1 selenium capsule daily, with a meal, or as directed by a health professional
Pure Difference: What we leave out matters, too; Pure Encapsulations products are FREE FROM common allergens, artificial or unnecessary ingredients, and GMOs

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Nature's Bounty Selenium, Supports Prostate and Immune System Health, 200 mcg, 100 Tablets

Support for the prostate and immune system (1)
Clinically studied dosage
Vegetarian friendly
Promotes prostate and immune system health (1)
Potent Antioxidant (1)

Life Extension Super Selenium Complex with Vitamin E – Cellular Health & Longevity Support – Gluten-Free, Non-GMO, Vegetarian –100 Capsules(Pack of 1)

Found in the diets of the world’s longest-living people – People who live in “Blue Zones” have many things in common; one of them is the amount of selenium in their diets. Selenium is an antioxidant that helps your cells fight against oxidative stress.
Heart & brain support – Selenium's ability to promote a healthy inflammatory response contributes to its support for heart and brain health, plus healthy cell division. Selenium also supports a healthy response to immune system challenges.
Thyroid maintenance – Selenium plays a vital role in thyroid health by assisting in thyroid hormone conversion of T4 into T3. This helps your body maintain healthy thyroid function.
Ingredients matter – We use only the finest raw ingredients with the purity and potency you deserve. The majority of our products are non-GMO, gluten-free and manufactured in the USA—and a Certificate of Analysis is available for every one.    
Live your healthiest life – We believe the answers to a healthier life are within reach, and that scientific research is the key to getting us there. That’s why so many of our formulas feature specific ingredients and amounts based on scientific studies.

Our Promise to You

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