Updated:20 October 2026
Rank 1-17 of the best Seleniums
Our recommendation Price Customer rating
1. Comparison winner
Good State Liquid Ionic Selenium Ultra Concentrate
Good State Liquid Ionic Selenium Ultra Concentrate
Available immediately
free shipping
  • the liquid ionic form is designed for better absorption compared to pills
  • comes with a convenient dropper for easy measurement
  • suitable for vegetarians
Our rating
9,8
very good
2. Best value
HealthAid Selenium Plus 60 Tablets
HealthAid Selenium Plus 60 Tablets
Available immediately
free shipping
  • Delivery form: capsule
  • Vegan-friendly: suitable for vegetarians and vegans
  • Immune system and thyroid support: supports immune function and normal thyroid function
Our rating
9,8
very good
Solaray Selenium 200 mcg, 90 Vegan Capsules, L-Selenomethionine
Solaray Selenium 200 mcg, 90 Vegan Capsules, L-Selenomethionine
Available immediately
free shipping
  • absorption rate: selenium is supplied as the highly absorbable L-selenomethionine, delivering 200 micrograms per capsule for efficient uptake
  • dosage form: presented as a vegan capsule that is easy to swallow for daily use
  • vegan friendly: suitable for vegetarians and vegans with no animal-derived ingredients
Our rating
9,8
very good
4. Bestseller
Selenium 200mcg Tablets - 1 Year Supply
Selenium 200mcg Tablets - 1 Year Supply
Available immediately
free shipping
  • highly absorbed form of selenium for effective intake
  • powder tablets easy to ingest
  • suitable for vegan diets, non-GMO and allergy-friendly
Our rating
9,6
very good
TERRANOVA Selenium 100mcg Vegicaps, 50 Count
TERRANOVA Selenium 100mcg Vegicaps, 50 Count
Available immediately
free shipping
  • may aid body in naturally absorbing selenium
  • tablet form for easy intake
  • suitable for a vegan diet
Our rating
9,6
very good
BioCare Nutrisorb Selenium 15ml
BioCare Nutrisorb Selenium 15ml
Available immediately
free shipping
  • liquid format for easier absorption and provides 180 micrograms of selenium per two drops in a purified water base
  • dosage form is a liquid supplement delivered as two drops in a purified water base
  • supports the normal function of the immune system and the thyroid
Our rating
9,6
very good
50+ purchases last month
Vitamatic Selenium Gummies 200 mcg Selenomethionine, Yeast-Free, 90-Count Pectin-Based
Vitamatic Selenium Gummies 200 mcg Selenomethionine, Yeast-Free, 90-Count Pectin-Based
Available immediately
free shipping
  • selenium supplied as selenomethionine with superior absorption rate
  • the dosage form is pectin-based gummies
  • vegan friendly and suitable for vegetarians
Our rating
9,6
very good
Selenium 200mcg Tri-Selenium Complex
Selenium 200mcg Tri-Selenium Complex
Available immediately
free shipping
  • contains organically bound food-form selenium with high absorption rates
  • suitable for vegans and free from fillers, binders or additives
  • supports immune and thyroid health
Our rating
9,6
very good
New Leaf Selenium Tablets, 365 Vegan Tablets, 200µg per Serving, Made in the UK, 12 Month Supply
New Leaf Selenium Tablets, 365 Vegan Tablets, 200µg per Serving, Made in the UK, 12 Month Supply
Available immediately
free shipping
  • tablets as the dosage form, a solid oral tablet designed to be swallowed easily; each tablet provides 200 micrograms of selenium
  • immune and thyroid support: selenium helps the immune system function normally and supports healthy thyroid activity
  • antioxidant properties, selenium contributes to the body's antioxidant defence system, helping protect cells from oxidative stress
Our rating
9,5
very good
Lamberts Selenium 200µg L-Selenomethionine 60 Vegan Tablets
Lamberts Selenium 200µg L-Selenomethionine 60 Vegan Tablets
Available immediately
free shipping
  • two well researched forms of selenium with good bioavailability
  • daily tablet delivering more than double the selenium level of typical multivitamins
  • suitable for vegans and vegetarians
Our rating
9,5
very good
Horbaach 200mcg Selenium Supplement, 400 Vegan Tablets
Horbaach 200mcg Selenium Supplement, 400 Vegan Tablets
Available immediately
free shipping
  • contains 200mcg of selenium per tablet for optimal absorption
  • provided in easy-to-swallow tablet form for convenience
  • suitable for vegans with no artificial colours, flavours, or preservatives
Our rating
9,4
good
Selenium 200ug, 30 Capsules
Selenium 200ug, 30 Capsules
Available immediately
free shipping
  • 200 micrograms selenium per serving with high absorptionsrate
  • provided in easy-to-swallow capsules
  • suitable for vegans
Our rating
9,1
good
Raw Powders Selenium 200 mcg Vegan Capsules
Raw Powders Selenium 200 mcg Vegan Capsules
Available immediately
free shipping
  • 200 micrograms of selenium per capsule from L-selenomethionine providing high bioavailability
  • single capsule per daily dose in a vegetarian HPMC capsule
  • vegan friendly formula using a vegetarian capsule and non-GMO ingredients
Our rating
9,0
good
Zipvit Selenium 200mcg with Vitamins A, C & E - 180 Vegan Tablets (Pouch) - 6-Month Supply - UK Supplier
Zipvit Selenium 200mcg with Vitamins A, C & E - 180 Vegan Tablets (Pouch) - 6-Month Supply - UK Supplier
Available immediately
free shipping
  • tablet form delivering selenium together with Vitamin A, Vitamin C and Vitamin E
  • vegan-friendly and free from gluten, GMOs, dairy and wheat
  • supports immune system and thyroid health
Our rating
9,0
good
YrHealth Selenium 200mcg Tablets
YrHealth Selenium 200mcg Tablets
Available immediately
free shipping
  • 200 micrograms absorption per tablet
  • easy-to-swallow tablets
  • vegan friendly supplement
Our rating
8,9
good
Nutravita Selenium 250mcg ACE Vitamins A, C & E - 400 Vegan Tablets (1+ Year Supply) Made in the UK
Nutravita Selenium 250mcg ACE Vitamins A, C & E - 400 Vegan Tablets (1+ Year Supply) Made in the UK
Available immediately
free shipping
  • tablet form with 250 micrograms of selenium per tablet
  • vegan friendly tablets with no animal ingredients
  • supports normal immune system and thyroid function
Our rating
8,8
good
Selenium 200 mcg - 120 tablets - L-Selenomethionine, Hair, Skin & Nails, Vegan, Immune Support
Selenium 200 mcg - 120 tablets - L-Selenomethionine, Hair, Skin & Nails, Vegan, Immune Support
Available immediately
free shipping
  • selenium is supplied as L-selenomethionine at 200 µg per serving
  • supports the immune system
  • has antioxidant properties to help protect cells from oxidative stress
Our rating
8,6
good

Similar Selenium comparisons

Seleniums buying guide: How to choose the right product from the above Seleniums test or comparison

What is Selenium and Why Do We Need It?

What is Selenium?

Selenium is a trace mineral found in soil, water, and certain foods. It is essential for our bodies, meaning we need to consume it regularly to maintain good health. This mineral plays a critical role in various bodily functions, including metabolism, reproduction, and immune system support.

Why Do We Need Selenium?

We need selenium because it helps protect our cells from damage and contributes to the proper functioning of enzymes in our bodies. It supports thyroid function and is also involved in DNA synthesis. Overall, selenium helps to maintain overall health and well-being.

Understanding the Types of Selenium Available

Selenium Forms

Selenium comes in several forms including selenomethionine, selenocysteine, and sodium selenite. Selenomethionine is often found in supplements and is well-absorbed by the body. Selenocysteine is sometimes known as the 21st amino acid and plays specific roles in antioxidant enzyme systems. Sodium selenite is another common form, though it is typically less bioavailable than selenomethionine.

Food Sources of Selenium

You can also obtain selenium through your diet. Foods like Brazil nuts, seafood, meats, and grains are rich in this mineral. Incorporating these foods into your meals can help ensure you meet your selenium needs.

How to Choose the Right Selenium Supplement for You

Choosing the Right Form

When selecting a selenium supplement, consider opting for selenomethionine, as it is more readily absorbed by the body. Look for reputable brands that provide clear labels indicating their selenium source.

Determining the Right Dosage

The recommended dietary allowance (RDA) for selenium varies by age and sex, but for most adults, it’s about 55 micrograms per day. We recommend starting with a lower dose, especially if you’re new to supplementation, and gradually adjusting based on personal health goals.

Benefits of Taking Selenium: What You Should Know

Antioxidant Properties

One of the primary benefits of selenium is its antioxidant properties. It helps combat oxidative stress and can reduce the risk of chronic diseases. This makes it a valuable supplement, especially for those concerned about their overall health.

Support for Thyroid Function

Selenium is vital for proper thyroid function. It aids in the synthesis of thyroid hormones and may help improve conditions like hypothyroidism. If you’re experiencing thyroid-related issues, considering a selenium supplement could be beneficial.

Tips for Incorporating Selenium into Your Daily Routine

Start with Food Sources

Begin by including selenium-rich foods in your daily diet. Snacking on Brazil nuts or adding seafood to your meals can be a delicious way to boost your selenium intake naturally.

Timing Your Supplements

If you choose to take a supplement, consider timing. Some studies suggest that taking selenium with a meal improves absorption. Observe how your body reacts and adjust accordingly.

Table of contents
  1. What is Selenium and Why Do We Need It?
  2. Understanding the Types of Selenium Available
  3. How to Choose the Right Selenium Supplement for You
  4. Benefits of Taking Selenium: What You Should Know
  5. Tips for Incorporating Selenium into Your Daily Routine

Overview

1. Comparison winner
Good State Liquid Ionic Selenium Ultra Concentrate
Our rating
9,8
very good
Good State Liquid Ionic Selenium Ultra ConcentrateAvailable immediately
2. Best value
HealthAid Selenium Plus 60 Tablets
Our rating
9,8
very good
HealthAid Selenium Plus 60 TabletsAvailable immediately
Solaray Selenium 200 mcg, 90 Vegan Capsules, L-Selenomethionine
Our rating
9,8
very good
Solaray Selenium 200 mcg, 90 Vegan Capsules, L-SelenomethionineAvailable immediately
4. Bestseller
Selenium 200mcg Tablets - 1 Year Supply
Our rating
9,6
very good
Selenium 200mcg Tablets - 1 Year SupplyAvailable immediately
TERRANOVA Selenium 100mcg Vegicaps, 50 Count
Our rating
9,6
very good
TERRANOVA Selenium 100mcg Vegicaps, 50 CountAvailable immediately
BioCare Nutrisorb Selenium 15ml
Our rating
9,6
very good
BioCare Nutrisorb Selenium 15mlAvailable immediately
Vitamatic Selenium Gummies 200 mcg Selenomethionine, Yeast-Free, 90-Count Pectin-Based
Our rating
9,6
very good
Vitamatic Selenium Gummies 200 mcg Selenomethionine, Yeast-Free, 90-Count Pectin-BasedAvailable immediately
Selenium 200mcg Tri-Selenium Complex
Our rating
9,6
very good
Selenium 200mcg Tri-Selenium ComplexAvailable immediately
Our product comparisons are:
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At most every 120 days, we update each category with new products and research developments in the top rankings. This ensures that our recommendations are always up to date
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Our tests and comparisons are objective and fact-based. Manufacturers have no influence on the ratings. We aim to provide greater transparency in the market, thereby promoting product quality.
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In our tests & comparison tables, we only include products that meet our minimum standards. This ensures that you can find the perfect product for your needs from a wide selection.
Similar tests and comparisons - Minerals Supplements