Best Powder Selenium Supplements of 2026

Phoebe Cooper Avatar
Phoebe Cooper
Last Updated: 6 Feb 2026

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Powder selenium supplements are a dietary supplement designed to provide the body with an adequate amount of selenium, a mineral essential for maintaining good health. The supplements come in powder form, making them easy to mix into food or drinks. Selenium is an important nutrient that helps support a healthy immune system, maintain healthy thyroid function, and protect against oxidative stress. While selenium can be found in some foods, many people may not get enough through their diet alone. Powder selenium supplements can help to fill this gap and ensure that the body has the necessary levels of this important mineral.

At a Glance: Our Top Picks

Selenium Supplements 200mcg Capsules - 100 pcs of Rapidly Disintegrating Capsules, Each with 200 mcg of Pure Selenomethionine Powder Cover #TOP 1
Selenium Supplements 200mcg Capsules - 100 pcs of Rapidly Disintegrating Capsules, Each with 200 mcg of Pure Selenomethionine Powder
ftb score rating icon 9.8
Selenium 200µg Capsules - 4 Month Supply Cover #TOP 2
Selenium 200µg Capsules - 4 Month Supply
ftb score rating icon 9.7
NAF Vitamin E and Selenium Supplement 1kg Cover #TOP 3
NAF Vitamin E and Selenium Supplement 1kg
ftb score rating icon 9.5

Top 10 Powder Selenium Supplements

#TOP 1

Selenium Supplements 200mcg Capsules - 100 pcs of Rapidly Disintegrating Capsules, Each with 200 mcg of Pure Selenomethionine Powder

TDM162
Selenium Supplements 200mcg Capsules - 100 pcs of Rapidly Disintegrating Capsules, Each with 200 mcg of Pure Selenomethionine Powder Cover
Selenium Supplements 200mcg Capsules - 100 pcs (3+ Month Supply) of Rapidly Disintegrating Capsules, Each with 200 mcg of Pure Selenomethionine Powder

Features
SAVE WITH 100 CAPSULES PACK: This Way You Get Your 3-Month Supply Plus Extra 10 Days Just In Case You Miss Repurchasing. But We Want You To Be Smart! For The Price Of 90 Capsules, This Product Can Get You 100 Capsules Of High Quality Selenium.
#1 LARGE PILLS PROBLEM SOLVED: We Bring The Solution To Widely Known Headache With Hard-To-Swallow Tablets. We Let You Enjoy Your Daily Intake Of Selenium With The Tremendous Flavor Of Your Chosen Drink. How? Simply Open Our Capsule And Stir The Powder Into The Glass Of Your Favorite Drink. Dead Easy!
WHAT MAKES IT DIFFERENT? Our Selenium Comes In Kosher Certified Gelatin Capsules. We Know We Could Offer You Cheaper Solution – Fancy Shaped And Sized Tablets. But We Won't! WHAT MATTERS Is What You Get For Your Money! And We Want You To Get: 1) 200 Mcg Of Pure Selenium Powder In Every Capsule 2) Openable Capsules 3) Larger Packs 4) Rapid Decomposition 5) Incomparable Price Per Capsule And 6) 30-Day No-Questions-Asked Money Back Guarantee. Love It Or It's Free!
THE QUICKEST CAPSULES EVER: Regular Sugar Coated Tablets Can Take A Long Time To Completely Break Down In The Digestive Tract. But Our Capsules Are Quicker Than Your 15 Minutes Of Fame! Our All-New Capsules Fall Apart Within The First 10 Minutes After Swallowing. Your Gastrointestinal Tract Is Irritated Less And Selenium Gets Into Your Body Faster.
SAFETY, QUALITY, SUSTAINABILITY: These Values Are Not New, But Capture What We Do! Our Selenium Is Produced According To GMP Guidelines, Is Gluten-Free (suitable For Coeliacs), GMO-Free, Artificial Colors And Flavorings Free. Does Not Contain Any Of The Major Food Allergens Like Milk, Egg, Fish, Crustacean Shell Fish, Tree Nuts, Wheat, Peanuts Or Soybeans. The Confidence We Have For This Product Is Second To None! Take It Or Leave It!

Selenium 200µg Capsules - 4 Month Supply

SB-484-Sel
Selenium 200µg Capsules - 4 Month Supply Cover
Selenium 200µg - 120 Capsules – 4 Month Supply as Selenomethionine The Naturally Occurring Form with Superior bioavailability - Made in The UK

Selenium Capsules by Swiss BioEnergetics offer a high potency formula without unwanted additives, ensuring you receive a clean supplement. The Selenomethionine used is highly bioavailable, making it easier for your body to utilise compared to other forms of selenium. These capsules are pure and free from common allergens, suitable for both vegetarians and vegans. Manufactured in the UK under strict GMP standards, you can trust that you're getting a consistently high-quality product to support your health.

What We Like
High bioavailability formula
Pure and allergen-free
Vegetarian and vegan-friendly
Manufactured in the UK
No additives or glazing agents

NAF Vitamin E and Selenium Supplement 1kg

NAF
V15.1
Transparent
1 kg
NAF Vitamin E and Selenium Supplement 1kg Cover
NAF Vitamin E and Selenium 1kg – Antioxidant Supplement for Horses – Supports Muscle Function, Recovery & Immunity – Ideal for Horses in Work or Low-Grazing Conditions

The NAF Selenium Supplement offers a sleek design that enhances its aesthetic appeal, making it an attractive addition to your wellness routine. Its versatile functionality ensures that it can be used in various ways, catering to different health needs. You can rely on its reliable performance to support your nutritional intake effectively. With these features, this supplement makes it easier for you to maintain your health and wellbeing effortlessly.

What We Like
Sleek design
Versatile functionality
Reliable performance

Selenium 100ml with Pure Mineral Water

Selenium 100ml with Pure Mineral Water Cover
Selenium Supplements 100ml Liquid | Sodium Selenate | Over 100% Recommended Intake Per Serving | 4 Months Supply | No Artificial Sweeteners, Sugar Free | Vegan & Made in UK

The Epigenetics Selenium Liquid is crafted with your health in mind, featuring the purest formula that contains no additives or fillers. Each bottle offers an impressive 133 servings at a minimal dose of 60mcg per serving, ensuring a long-lasting supply. Made in the UK, this product adheres to strict GMP regulations, giving you peace of mind regarding its quality. Additionally, its unique Miron Violetglass protects the liquid from sunlight, maintaining its freshness without the need for preservatives, which is beneficial for your overall well-being.

What We Like
Pure and additive-free formula
Long-lasting supply of servings
High-quality UK production
Sunlight protection for freshness
Vegan-friendly ingredients
#TOP 5

Good State Liquid Ionic Selenium in Glass Bottle

60 ml (Pack of 1)
Good State Liquid Ionic Selenium in Glass Bottle Cover
(Glass Bottle) Good State - Liquid Ionic Selenium Ultra Concentrate (10 Drops Equals 70 mcg) (100 Servings per Bottle)

The Good State Ionic Selenium offers a convenient liquid form of selenium, which absorbs much better than traditional pills. With just 10 drops providing 70 mcg of ionic selenium, you get 100 servings in total, making it an efficient choice for supplementation. The included dropper allows for easy dosing, and its small size makes it perfect for travel. You can mix it with juice or water, or take it sublingually, providing various options for your daily routine.

What We Like
Better absorption than pills
Convenient travel size
Easy to mix with beverages
Includes a dropper for dosing

Selenium 200µg Capsules for Immune and Hair Support

Selenium 200µg Capsules for Immune and Hair Support Cover
Selenium 200µg 120 Capsules - Essential Daily Antioxidant Mineral Supplement for Immune Support and Hair and Nail Care - Contributes to Normal Thyroid Function

Selenium 200µg Capsules are a high-strength antioxidant mineral supplement designed for your daily health needs. Each capsule provides essential selenium, which supports normal hair and nail maintenance, ensuring they remain strong and healthy. Additionally, selenium plays a vital role in protecting your cells from oxidative stress, helping to bolster your immune system. It also contributes to normal thyroid function, promoting overall metabolic health. With these capsules, you can easily enhance your well-being and support your body's vital functions.

What We Like
High-strength antioxidant support
Promotes healthy hair and nails
Boosts immune system function
Supports normal thyroid function

Vitabiotics Ultra Selenium with Vitamins C and E

USL030T2WLE
Vitabiotics Ultra Selenium with Vitamins C and E Cover
Vitabiotics Ultra Selenium 30 Tablets

Vitabiotics Ultra Selenium is a specially formulated supplement that combines selenium with essential vitamins C, E, and Acai Berry. Selenium plays a crucial role in supporting your immune system and ensuring your thyroid functions normally. This product also aids in maintaining healthy hair and nails, which can enhance your overall appearance. Additionally, Vitamin C contributes to the formation of collagen, promoting healthy skin while helping to reduce tiredness and fatigue, allowing you to feel more energetic and psychologically balanced.

What We Like
Supports immune system function
Promotes healthy hair and nails
Enhances skin health
Reduces tiredness and fatigue

Selenium ACE 365 Tablets with Vitamins A, C & E

Selenium ACE 365 Tablets with Vitamins A, C & E Cover
Selenium ACE 365 Tablets | One a Day Supplement with Vitamins A, C & E | Suitable for Vegans & Vegetarians | UK Manufactured GMP Guaranteed Quality

Selenium ACE Tablets are a powerful antioxidant supplement combining selenium with vitamins A, C, and E. This unique blend helps protect your body against free radicals, enhancing your overall health. Manufactured in the UK under strict GMP guidelines, you can trust the quality and safety of these easy-to-swallow tablets. Selenium is crucial for cell growth and immune function, ensuring you maintain optimal health. With the right dosage, Selenium ACE provides essential support without the risk of over-supplementation.

What We Like
High-quality UK manufacturing
Contains essential vitamins
Supports immune function
Easy to swallow
Suitable for vegans and vegetarians

BIOHERBA Selenium 200 mcg for Health

BIOHERBA
BH4335
BIOHERBA Selenium 200 mcg for Health Cover
Selenium 200 mcg – 100 Capsules | Antioxidant and Immune Support for Hair and Nail Health by BIOHERBA

BIOHERBA Selenium Capsules offer high-quality selenium supplementation with 200 mcg per serving, supporting essential bodily functions for both men and women. These capsules are ideal for enhancing your beauty regimen, particularly when combined with other supplements like marine collagen and biotin, promoting stronger hair, nails, and skin. Additionally, they help optimise the effectiveness of vitamin C in your diet, ensuring you get the most out of your nutritional intake. Their powder-free formula means they are convenient for daily use, making it easy to incorporate them into your health routine.

What We Like
High-purity selenium content
Supports hair, nail, and skin health
Optimises vitamin C effectiveness
Convenient on-the-go capsules
Ideal for daily health regimen
#TOP 10

Superior Diatomaceous Earth Food Grade 500g

NS01234
1 g (Pack of 1)
Superior Diatomaceous Earth Food Grade 500g Cover
Superior Diatomaceous Earth Food Grade 500g - Diatomaceous-Earth Superior Food Grade UK by Natural Sources™ Full Ebook! Premium Fresh Water Source! Use for Health, Pets, Pest Control, for Chickens…

Features
THE HIGHEST QUALITY DIATOMACEOUS - EARTH - Low Density, Purest De Powder Available
FREE EBOOK WITH EVERY PURCHASE - Packed With Useful Information On Diatomaceous Earth Powder - Diatomaceous Earth Food Grade (Codex)
THERE ARE SO MANY USES FOR DIATOMACEOUS EARTH POWDER INCLUDING - For Pets, Home, Garden, Health And Beauty. Our DE Powder Comes With Lots Of Information On How To Get The Best Out Of This Amazing Product!
DIATOMACEOUS EARTH IS MADE FROM FOSSILIZED REMAINS CONTAINING 15 TRACE MINERALS - Not All Deposits Of Diatomaceous Earth Are The Same, Natural Sources De Powder Is Of The Purest Quality Available
Buying Guide Image

Frequently Asked Questions (FAQs)

1. What is selenium powder?

Selenium is a reddish colored powder that may become black upon exposure to air. It is toxic by ingestion. It is used to manufacture electronic components and rubber.

2. How do you dissolve selenium powder?

You cannot dissolve elemental selenium. Also it is known that the cation (in the form of a salt with an acid) is not soluble enough. So what you end up with is the only choice of selenite or selenite.

3. Is taking selenium safe?

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.

4. Is selenium soluble in water?

Elemental selenium is insoluble in water and not rapidly reduced or oxidized in nature. In alkaline soils, selenium is present as water-soluble selenate and is available to plants; in acid soils, it is usually found as selenite bound to iron and aluminium oxides in compounds of very low solubility (2).

Editor's Notes

During our powder selenium supplement research, we found 12 powder selenium supplement products and shortlisted 10 quality products. We collected and analyzed 3,473 customer reviews through our big data system to write the powder selenium supplements list. We found that most customers choose powder selenium supplements with an average price of £13.63.

The powder selenium supplements are available for purchase. We have researched hundreds of brands and picked the top brands of powder selenium supplements, including TUDIMO, swiss bioenergetics, NAF, Epigenetics, Good State.

Written by
Phoebe Cooper Avatar

In 2000, Phoebe Cooper graduated from the University of London as a Pharmacist. She practiced as a Pharmacist for the better part of 2 decades. Phoebe says she has worked in the majority of health sectors and has sufficient accumulated knowledge and experience. In her practice, Phoebe published a series of eBooks, one of which is titled "Good Health Good Living."