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The 8 Best selenium supplements of 2024

Are you trying to find selenium supplements among various brands on the market but aren’t sure where to begin? To assist you in finding the right one, we’ve put together a list of the 7 best to help you pick the perfect one!

We investigated and evaluated a number of the top-selling selenium supplements on the market in order to create our list of the best. Making a decision among the many options available is never simple. There are an infinite number of models available, each with a distinct price. And as you’ll find out, the best options aren’t usually the ones you imagine! This comparison is rich and relevant because of the numerous factors that were employed. You will find products featured in this ranking not only based on their pricing but also on their features and other customers reviews. To write this review, we completed 23 hours of research and did 66 selenium supplements tests. You won’t need to pick products at random any more. If you’re unsure of what to look for, browse our list and consult the buying guide!

An overview of our top picks

Table of contents

The best selenium supplements you can buy today

No. 1
Now Foods Selenium 200mcg Capsules, 300 Count - L Selenomethionine Mineral Supplement for Women & Men - Veg Caps, Non-GMO, Vegan Friendly, Yeast-Free
  • LIVE BETTER: This essential mineral that is often lacking in people's diets. You can change that today with Now Selenium 200 mcg. Add to your cart today because just 1 cap provides over 100% of the RDA of Selenium
  • OPTIMUM FORM: Bioavailable Selenomethionine. And unlike some other brands, it's yeast free.
  • SMART CHOICE: Non-GMO, Vegetarian, Vegan, Kosher, UL & GMP Certified. Made in the USA. Lab Tested for Purity.
  • SUGGESTED DOSAGE: Take 1 pill daily with a meal.
  • GOING GREEN: We are planting 1 tree for every 20 bottles sold of this 300-count size product, up to 5,000 trees per year. Help us make the world a greener place.
  • TRUSTED QUALITY FOR OVER 50 YEARS: Family owned since 1968. Based in the heart of America on solid Midwestern values. NOW brand's mission is to empower healthier lives by offering top-notch health supplements at afforable prices.
SaleNo. 2
Dr. Mercola Zinc Plus Selenium, 90 Servings (90 Capsules), Dietary Supplement, Supports Immune Health, Non GMO, NSF Certified
  • Our Zinc Plus Selenium is a powerful antioxidant and mineral blend instrumental in healthy cognitive function, as well as supporting healthy organs and immune responses
  • This formula contains Zinc Glycinate Chelate – a high-potency source of zinc formulated for enhanced absorption
  • Zinc Plus Selenium is carefully formulated with the addition of the micronutrient copper for broad-balanced support
  • Following Dr. Mercola’s belief in providing the best quality products, this product is third-party NSF contents certified for health and safety
  • Developed with you in mind, Dr. Mercola’s physician formulated products are only made with ingredients that meet our premium quality standards. Established in 1997, we have been a trusted source in natural health for over two decades
No. 3
Go Nutrients Selenium 200 mcg Supplement, Yeast-Free Liquid Drops, Selenium Drops, Herbal Supplements with Trace Mineral Selenium and Purified Water, Selenium Liquid - 1.0 oz Bottle
  • LIQUID DROPS: Our liquid selenium eliminates the hassle of taking supplements because it removes the need to swallow large pills or mix anything. The 1-ounce bottle is small enough to fit in your purse, so you can take it with you for a dose of selenium on the go.
  • EASY AND CONVENIENT: No more swallowing pills! Our product is readily absorbed, digested, and assimilated by the body. This selenium supplement has no fillers, binders, or other materials. Take six (6) drops of our liquid mineral with meals or as directed by a healthcare professional.
  • QUALITY YOU CAN TRUST: Our selenium drops are made from natural ingredients with no preservatives, artificial sweeteners, or gluten. Our mineral supplements are manufactured in the USA in a GMP-certified facility and third-party tested for quality and potency.
  • GREAT VALUE: Our selenium supplement offers 200 mcg of trace mineral drops per serving. One 30ml bottle provides 100 servings at six (6) drops per bottle. Best taken with meals or as advised by a healthcare professional.
  • ABOUT GO NUTRIENTS: Go Nutrients was created for all of us because we genuinely care about what we put in our bodies. We are dedicated to giving you an easier way to take Grade A-quality supplements that are not loaded with fillers, artificial colors, and preservatives. Our products are manufactured in FDA and GMP-registered facilities to ensure they meet quality standards.
  • INGREDIENTS: Selenium, USP-Grade Kosher, Certified Vegetable Glycerin, Purfied Water
No. 4
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
No. 5
Solaray Yeast Free Selenium 200mcg, Selenium Capsules for Healthy Thyroid Function & Immune Support, High Absorption Supplement, Vegan, 90 Servings, 90 VegCaps
  • Selenium Strong – Our high potency selenium supplement provides 200 mcg of absorbable selenium as selenomethionine, a superior form found in nature, thought to be more bioavailable than other forms.
  • Thyroid Supplement – An essential trace mineral naturally found in thyroid tissue, selenium may be involved in the healthy functioning of the all-important thyroid gland.
  • Full Body Support – Selenium may also provide support for a healthy immune system and antioxidant processes in the body that help to provide protection and support for cellular health.
  • Eco-Friendly – We use 100% PCR bottles made from plastic removed from oceans and landfills and have partnered with One Million Trees, an organization dedicated to global reforestation.
  • Trusted Brand – Made in our GMP-certified facility, tested in our own state-of-the-art lab in Utah to bring you the best possible quality, and always includes a 60-Day Money-Back Guarantee.
SaleNo. 6
Organic Selenium 200 mcg with Iodine and Silica All from Certified Organic Whole Foods - Two Month Supply
  • 100% Certified Organic Whole-Food extracts from Mustard Seed Extract, Seaweed, and Bamboo Extract to provide standardised dosages of Selenium, Iodine and Silica
  • Specially designed and harvested from real foods for real results. Sun Farm Organics do not use any preservatives, excipients, magnesium stearate, silicon dioxide, gluten and unless stated are all VEGAN friendly.
SaleNo. 7
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.
No. 8
Puritan's Pride Selenium 200 mcg Tablets, 100 Count
  • Contains antioxidant properties that help fight free radicals in the body.
  • Supports immune system health.
  • As an integral part of thyroid hormone metabolism, Selenium assists in thyroid function.
  • Contains a three-month supply of tablets.
No. 9
Amazing Formulas Selenium * 50mcg Natural Selenium Yeast * 180 Tablets (Non-GMO) Per Bottle  * Promotes Cell Health, Immune Function, Cardiovascular Health and Healthy Thyroid Function and
  • A POTENT FORM OF NATURAL SELENIUM Amazing Nutrition selenium supplement is made from selenium yeast, which has been shown in studies to provide more nutritional benefits than other forms of selenium
  • THE IDEAL DOSE - GREAT VALUEEach of our Selenium 50mcg tablets allows you to get thefrequently recommended dosage of selenium mineral. Our selenium supplement includes 180 tablets per bottle, an 8-month supply at a great price.
  • PERFECT FOR YOUR HEALTHY DIET Our selenium supplement is vegetarian friendly and free of artificial colors, flavors, sweeteners and preservatives. It contains no sugar, starch, lactose, milk, soy, fish and sodium
  • All Amazing Formulas products are manufactured in accordance with Good Manufacturing Practices (GMP), among the highest standards in the world.    
  • All our products are proudly made in USA with Guaranteed Purity & Potency. We offer best quality products for the best value. All our products are Third Party Tested. We do not compromise on quality 
No. 10
Global Healing Selenium 200mcg, Selenium Supplement with Organic Ingredients, Antioxidants for Thyroid Support and Immune Health, Non-GMO & Gluten-Free, Selenium 200 mcg for Men & Women (60 Capsules)
  • Powerful Antioxidant - Defends against free radicals that can damage cells and protect normal cell function. The antioxidant properties also help to maintain a healthy heart, cardiovascular health and free radical protection for maximum thyroid support.
  • Cardiovascular Health - Normal cardiovascular health requires adequate selenium. Selenium can benefit heart health by soothing oxidative stress and supporting normal circulation. Selenium plays a vital role in supporting a normal metabolism.
  • Thyroid & Immune System Support - Like nascent iodine, selenium is important for normal thyroid function by helping balance hormones and protecting against damaging free radicals. The essential antioxidant is vital in supporting a strong immune system.
  • Organic & Vegan - Our Selenium is a whole food form extracted from certified organic mustard seeds, allowing for faster & easier absorption. Is also free of gluten, soy, dairy, GMOs, sugar, artificial flavors, synthetic dyes, & toxic fillers.
  • Manufactured In The USA - Our Selenium is manufactured in our very own, state-of-the-art cGMP certified facility in Phoenix, Arizona. We pride ourselves on quality, which is why all bottles come with a 30-day guarantee, produced right here in the USA.

How to choose a good selenium supplements

Does the idea of finding a fantastic selenium supplements make you anxious? When it comes to purchasing this product, specifically when deciding which model to select, has your head been spinning between options? You are not alone if that is the case. We are aware of the pressure involved in the purchasing process!

Your presence here indicates that you are interested in selenium supplements. Before choosing which product would be the best for your needs after being inundated with information, locate a reliable source with genuine selections. You can get that information from a variety of sources, including buying guides and rating websites, word-of-mouth recommendations from friends and family, online discussion forums where users can share their own experiences, product reviews that can be found all over the internet, and YouTube channels. You can only get the right product through exhaustive analysis. But you realize that’s not always simple. In order to ease your concerns, we have taken the time to develop a list of the top selenium supplements products available right now. You might be wondering how we came up with the list. How was this buying guide developed?

First, we used our algorithms to gather as much reliable data as we could about these products. To verify all the data gathered, we used both artificial intelligence and a lot of algorithms.
Then, our experts used criteria that are recognized in the business to evaluate them according to their quality to price ratio, allowing us to choose the top selenium supplements on the market right now!

The selection of the goods is not arbitrary. Before creating a list, we take into account a number of factors. Below are some of the criteria discussed:

Brand Value: What happens if you choose a dubious brand just because it appears to be a good deal? So the likelihood of receiving a product with a short shelf life increases. That is due to the fact that well-known brands have a reputation to uphold, while others do not. Top selenium supplements brands strive to provide some distinctive traits that set them apart from the competition. So, hopefully one or more of the items on our list will be perfect for you.

Features: Useful features are all you need, not tons of them. We consider the important aspects and select the top selenium supplements based on those.

Specifications: Numbers always help you measure the quality of a product in a quantitative way. We try to find products with higher specifications, but with the right balance.

Quality: A product’s quality may always be quantified with the aid of numbers. We look for goods with better standards that strike the proper balance. The best quality product that gets highly appreciated and recommended by experienced users.

Customer ratings:  Would it be accurate to suggest that the selenium supplements were used by hundreds of customers before you? Superior ratings indicate that many customers had better service.

Customer Reviews: Like ratings,  provide you with accurate and reliable information about the product from genuine customers. Customer ratings are very important to all of us because they contain accurate and reliable information about the customer service we received from several hundred customers.

Seller Rank: This is very intriguing! Not only do you need a good selenium supplements, you also need a product with rising sales that is trendy. It accomplishes two goals. First, the expanding user base proves the quality of the product. Second, given that number, producers must be able to offer greater quality and after-sales support.

Value: You get what you pay for, they say, so consider the value. Cheap isn’t always good and expensive isn’t always bad. However, that does not imply that spending a lot of money on a product that is flashy but underwhelming is a good idea. Before adding them to the list, we make an effort to evaluate how much value you can get for your money from your selenium supplements.

Durability: Durability and reliability are closely related concepts. You will benefit from a strong and long-lasting selenium supplements for months and years to come.

Product availability: Products come and go, and new ones replace the old ones. Most likely, a few new features and required changes were made. What use is it to use a supposedly good product if the maker no longer supports it? We make an effort to highlight products that are current and offered by one or more trustworthy sellers, if not more.

Negative Reviews: Yes, we do take that into account as well! The goods with the majority of bad reviews are filtered out and disregarded when we choose the best-rated one on the market.

These are the standards by which we selected our selenium supplements. Do we end our process there? Hell no. The most crucial fact about us that you should be aware of is that we regularly update our website with current and pertinent information. We have one more layer of filtration since we place the greatest importance on reader satisfaction. Please let us know if any product included here is incorrect, irrelevant, subpar, or simply out of date. We always value your opinions, and we’ll work hard to make any necessary corrections to our list in response to them.

Why should you believe us?

There are now thousands of possibilities for these products on Amazon, but choosing the best one can be difficult and time-consuming. And what selenium supplements should you purchase in 2022?

This guide is the result of more than 10 years of experience in researching, testing and writing about many topics. Each member of our team is an authority in their area. We read every article we could find online and every consumer review on every retail website for seven hours. Additionally, we discovered a ton of websites that offered helpful resources, including buying tips and thorough information on selenium supplements.