Best Selenium Mineral Supplements of 2026

Elisa Drew Avatar
Elisa Drew
Last Updated: Jan 29, 2026

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Selenium mineral supplements are becoming increasingly popular in the health and wellness industry. Selenium is a trace mineral that plays a crucial role in various bodily functions, including thyroid function, immune system support, and antioxidant protection. These supplements are available in various forms, including capsules, tablets, and liquid drops. Many people choose to take selenium supplements to support their overall health and well-being, especially those who may not consume enough selenium-rich foods in their diet. As with any supplement, it's important to consult with a healthcare professional before adding selenium to your daily routine.

At a Glance: Our Top Picks

Thorne Selenium - Antioxidant Support Supplement Cover #TOP 1
Thorne Selenium - Antioxidant Support Supplement
ftb score rating icon 9.9
Dr. Berg Zinc 30mg with Magnesium & Vitamins Cover #TOP 2
Dr. Berg Zinc 30mg with Magnesium & Vitamins
ftb score rating icon 9.8
Thyroid Support Supplement - Energy & Focus Formula Cover #TOP 3
Thyroid Support Supplement - Energy & Focus Formula
ftb score rating icon 9.6

Top 10 Selenium Mineral Supplements

#TOP 1

Thorne Selenium - Antioxidant Support Supplement

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Thorne Selenium - Antioxidant Support Supplement Cover
THORNE - Selenium - 200 mcg Selenium Supplement for Antioxidant Support* - 60 Capsules

This Selenium supplement supports normal thyroid function in healthy individuals and reduces oxidative damage caused by toxins, smoking, alcohol use and stress. It also promotes healthy skin, hair, and cognitive function. It is an essential nutrient to help maintain optimal health and wellness, and is free from gluten, eggs, tree nuts, peanuts, dairy, soy, fish, or shellfish. Thorne is a trusted brand, chosen by champions and trusted by 100+ pro teams, and the only supplement manufacturer to collaborate with Mayo Clinic on wellness research and content. It is also a proud partner of 11 U.S. Olympic Teams.

What We Like
High quality ingredients
Easy to swallow capsules
No fillers or additives
Supports thyroid and immune health
No aftertaste or side effects
#TOP 2

Dr. Berg Zinc 30mg with Magnesium & Vitamins

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Dr. Berg Zinc 30mg with Magnesium & Vitamins Cover
Dr. Berg Zinc 30mg Enhanced with Magnesium, Vitamin D3, Selenium, & Copper - Zinc Supplements for Men & Women - Chelated Zinc for Immune, Skin, Hair, & Nails Support* - 60 Capsules

Dr. Berg Zinc Complex combines zinc with essential nutrients like magnesium, vitamin D3, vitamin B6, folate, copper, and selenium to support your overall health. This blend helps boost your immune system, while also promoting healthy hair, skin, nails, and eyes. You get a full 60-day supply of these easy-to-swallow vegetable capsules, made in a top-quality US facility following strict manufacturing standards. Each capsule delivers a potent 30 mg dose of chelated zinc, which is highly absorbable, ensuring you get the maximum benefit. This supplement is designed to enhance your well-being conveniently and effectively.

What We Like
Complete nutrient blend
60-day supply
Supports hair, skin, nails
High-potency chelated zinc

Thyroid Support Supplement - Energy & Focus Formula

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Thyroid Support Supplement - Energy & Focus Formula Cover
1 Body Thyroid Support Supplement for Women and Men, Selenium with Iodine, Zinc, B12, Ashwagandha and L-Tyrosine, Supports Hormone Health, Energy and Metabolism, 30 Day Supply

Support healthy thyroid function and promote overall wellness with this non-GMO thyroid support supplement. The formula contains key nutrients such as iodine, vitamin B12 complex, zinc, selenium, ashwagandha, copper, coleus forskohlii and more, which work together to promote cognitive function, natural energy levels and healthy thyroid function. The supplement is manufactured in the USA, vegan-friendly and free from wheat, gluten, soy, milk, egg, fish, or tree nuts.

What We Like
Increased energy levels
Reduced hair loss
Decreased sugar cravings
Improved sleep quality
Supports thyroid health

Vimerson Health Men's Multivitamin

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Vimerson Health Men's Multivitamin Cover
Methylated Multivitamin for Men with Bioavailable Vitamins, Chelated Minerals, Vitamin D, B12, C, A & Zinc for Energy, Focus and Immune Health – Premium Mens Multivitamins & Multiminerals – 60 Caps

Vimerson Health Men's Multivitamin is a daily supplement designed to help men maintain a healthy and balanced diet. It contains 20 vitamins, minerals, and acids to promote general health and wellbeing, as well as energy, focus, and stamina. Made in the USA in a GMP-Certified facility, it is non-GMO, vegetarian, gluten-free, dairy-free, and soy-free. Customers have reported increased energy levels and improved overall wellbeing.

What We Like
Easy to swallow capsules
Boosts daily energy
Comprehensive nutrient coverage
Gentle on stomach
Vegan and clean-label formula
#TOP 5

Bronson Selenium 200 mcg - Essential Trace Mineral for Immune System and Metabolism Support, 250 Vegetarian Capsules

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Bronson Selenium 200 mcg - Essential Trace Mineral for Immune System and Metabolism Support, 250 Vegetarian Capsules Cover
Bronson Selenium 200 mcg – Yeast Free Chelated Amino Acid Complex - Essential Trace Mineral with Superior Absorption, 250 Vegetarian Capsules

The Bronson Selenium 200 mcg is a yeast-free chelated amino acid complex that provides essential micronutrient selenium for immune system, thyroid and metabolism support. Albion Minerals chelated technology ensures superior absorption, stability, quality and easy digestion. It is laboratory tested Non-GMO, Gluten Free, Soy Free supplement in 250 vegetarian capsules. Bronson Vitamins have been a trusted brand since 1960, recommended by top medical professionals.

What We Like
Yeast-free chelated formula
Superior absorption
Gentle on stomach
Supports immune and thyroid health
Non-GMO and lab-tested purity
#TOP 6

Pure Encapsulations Selenium Supplement

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

Get immune system support, healthy blood flow, and antioxidant support with Pure Encapsulations Selenium Supplement. It helps protect normal cell function, promotes healthy blood flow, and scavenge free radicals. The supplement is made with premium ingredients and is free from wheat, eggs, tree nuts & peanuts, gluten, artificial colors, flavors & sweeteners, coatings and shellacs, GMOs, and unnecessary binders, fillers & preservatives.

What We Like
Helpful for Hashimoto's
Clean, pure ingredients
Easy to swallow
Immunity boost
Trusted supplement brand
#TOP 7

Nature's Bounty Selenium 200 mcg Tablets

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

Nature's Bounty Selenium Tablets provide support for the prostate and immune system with a clinically studied dosage of 200 mcg of Selenium. These vegetarian-friendly tablets offer the convenience of just one tablet a day. Selenium is known for its benefits in maintaining a healthy prostate and boosting the immune system. With Nature's Bounty Selenium Tablets, you can easily incorporate this essential mineral into your daily routine to support your overall health and well-being.

What We Like
Good quality and taste
Easy to swallow
Supports heart and thyroid health
Natural brewer's yeast source
Affordable price
#TOP 8

Nutricost Selenium 200mcg, 240 Vegetarian Capsules

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

Nutricost Selenium 200mcg supplement comes in a bottle containing 240 vegetarian capsules, with 200mcg of selenium per capsule. It provides 240 servings, with just one capsule per serving. The product is non-GMO, gluten-free, soy-free, and contains vegetarian capsules that are 3rd party tested. The product is manufactured in a GMP compliant, FDA registered facility.

What We Like
Easy to swallow capsules
Effective symptom relief
Good price point
High quality supplement
Quick delivery
#TOP 9

ALGAECAL Plus - Plant Based Calcium Supplement

Veggie Caps
ALGAECAL Plus - Plant Based Calcium Supplement Cover
ALGAECAL Organic Red Algae Calcium Supplement for Bone Density, Vitamin K2 MK7 (100mg), Vitamin D3 (1600 IU), Magnesium (350mg) & Trace Minerals & Strength, Easy to Swallow, 120 Veggie Caps

ALGAECAL Plus is a plant-based calcium supplement made of natural red algae that is hand-harvested, providing all bone support minerals, including calcium, selenium, and magnesium. Unlike other calcium supplements made from rocks, this organic plant-based calcium supplement contains ALL of the minerals like magnesium, vitamin D & K2 for stronger bones. AlgaeCal is science-backed by studies showing that the combination of vitamins and minerals in each serving can help support healthy bones for life. The addition of Vitamins C, D3, and K2, plus additional boron and magnesium make sure the natural minerals in Algaecal Plus calcium supplement get to where it's needed, in your bones. It is a natural and sustainable bone health supplement for women and men.

What We Like
Plant-based calcium supplement made of natural red algae
Contains ALL of the minerals like magnesium, vitamin D & K2 for stronger bones
Science-backed by studies to support healthy bones for life
Addition of Vitamins C, D3, and K2, plus additional boron and magnesium for better absorption
Natural and sustainable bone health supplement for women and men
#TOP 10

Dr. Mercola Zinc Plus Selenium Dietary Supplement

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Dr. Mercola Zinc Plus Selenium Dietary Supplement Cover
Dr. Mercola Zinc Plus Selenium - Mineral Blend Supplement - for Immune, Brain & Respiratory Support - Contains Zinc Glycinate Chelate & Copper - GMO-Free & Gluten-Free - 90 Capsules (90 Servings)

Dr. Mercola Zinc Plus Selenium Dietary Supplement is a GMO free, soy free, and gluten-free product that contains 90 servings per bottle. This dietary supplement supports immune function and overall health by promoting healthy cell growth, healthy inflammatory response, and a balanced micronutrient ratio. The supplement is formulated with a small amount of copper to balance the zinc's copper-reducing properties.

What We Like
Supports immune function and overall health
GMO-free, soy-free, and gluten-free
Contains 90 servings per bottle
Buying Guide Image

Frequently Asked Questions (FAQs)

1. What is selenium supplement good for?

It plays a critical role in metabolism and thyroid function and helps protect your body from damage caused by oxidative stress. What's more, selenium may help boost your immune system, slow age-related mental decline, and even reduce your risk of heart disease.

2. Is it OK to take selenium supplements?

When taken by mouth: Selenium is likely safe when taken in doses less than 400 mcg daily, short-term. But selenium is possibly unsafe when taken in high doses or for a long time. Taking doses above 400 mcg daily can increase the risk of developing selenium toxicity.

3. What is the best form of selenium to take?

What is the best type of selenium supplement? Selenium in the form of selenomethionine may be the best option. This form has been shown to have superior absorption rates compared with other forms of selenium used in supplements, including sodium selenite ( 3 , 8 , 9 ).

Editor's Notes

During our selenium mineral supplement research, we found 24 selenium mineral supplement products and shortlisted 10 quality products. We collected and analyzed 439,725 customer reviews through our big data system to write the selenium mineral supplements list. We found that most customers choose selenium mineral supplements with an average price of $26.11.

The selenium mineral supplements are available for purchase. We have researched hundreds of brands and picked the top brands of selenium mineral supplements, including THORNE, Dr. Berg Nutritionals, 1 Body, Vimerson Health, Bronson. The seller of top 1 product has received honest feedback from 48,245 consumers with an average rating of 4.9.

Written by
Elisa Drew Avatar

Elisa Drew is a really professional copywriter specializing in baby products with five years of experience working as a pediatrician once. She has published a series of baby books purchased by over thirty thousand people in the United States.