July 9, 2025

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10 Best selenium supplements of 2025

Save up to 43% off

Best Choice

1

Clean Nutraceuticals
Clean Nutra Selenium 300mcg Iodine 500mcg Thyroid Support for Women & Men | L Tyrosine 500mg Ashwagandha Supplement Bladderwrack, Turmeric, Kelp, Schisandra Zinc Pills Capsule Supplements

14% Off
Main highlights

Comprehensive Thyroid Support
Combines selenium, zinc, iodine, tyrosine, and ashwagandha for enhanced thyroid health.

Ideal for Stress and Energy
Perfect for those seeking relaxation and energy boost.

Praised for Convenience
Customers appreciate the all-in-one two-capsule solution.
Key specs
- Key Ingredients:Selenium, Potassium Iodide, Zinc
- Formulation:Capsules
- Product Dimensions:3.7 x 1.91 x 1.89 inches
- Serving Size:2 capsules
- Dietary Needs:N/A
9.8

Exceptional

Our Rating
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Based on millions of stores and reviews

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Value for Money

2

Global Healing Center
Global Healing Center - Selenium 200mcg, Selenium Supplement Drops with Organic Ingredients, Antioxidants for Thyroid and Immune Support, Non-GMO & Gluten-Free, for Men & Women - 2 Fl Oz
Main highlights

Powerful Antioxidant Benefits
Defends against free radicals, supports heart health, cardiovascular health, thyroid function, and immune system with organic, vegan, and non-GMO ingredients.

Ideal for Immune and Thyroid Support
Best used for enhancing immune system, maintaining normal thyroid function, and supporting cardiovascular health with fast absorption from organic mustard seeds.

Easy to Swallow and Read
Customers praise the easy-to-swallow capsules, legible labels, and dark brown glass bottle that extends shelf life. Trusted for quality and effectiveness.
Key specs
- Health Benefits:Antioxidant, thyroid support
- Dietary Restrictions:Vegan, gluten-free, soy-free
- Form:Whole food form
- Selenium Content:From organic mustard seeds
- Absorption:Faster & easier
9.5

Excellent

Our Rating

9.9
simple to consume

9.3
materials Quality

8.0
worth the money
3

THORNE
THORNE Selenium - 200 mcg Selenium Supplement for Antioxidant Support* - 60 Capsules
Main highlights

Supports Thyroid Health
Selenium aids normal thyroid function and overall wellness.

Ideal for Thyroid Conditions
Beneficial for individuals with Hashimoto's or low thyroid.

Highly Bioavailable Selenium
Praised for its effective selenomethionine form.
Key specs
- Health Benefits:Antioxidant, thyroid health
- Dietary Restrictions:Gluten-free, dairy-free
- Form:N/A
- Selenium Content:Supports thyroid function
- Absorption:N/A
9.3

Excellent

Our Rating

9.9
simple to consume

9.7
Absorbency

8.7
Flavor
4

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

Immune System and Metabolism Support
Selenium supports immune system and prostate function, plays a key role in metabolism, and is a vital micronutrient for essential body functions.

Ideal for Hypothyroid and Fibromyalgia Relief
Best for individuals seeking relief from hypothyroid symptoms or muscle pain related to fibromyalgia, and those looking for a non-prescription supplement.

Highly Praised for Pain Relief and Energy Boost
Customers frequently praise the product for significantly reducing muscle pain and boosting energy levels, particularly in those with fibromyalgia or hypothyroidism.
Key specs
- Health Benefits:Immune System & Metabolism Support
- Dietary Restrictions:Non-GMO, Gluten Free, Soy Free
- Form:Amino Acid Complex
- Selenium Content:200 MCG
- Absorption:Chelated Superior Absorption
9.2

Excellent

Our Rating

9.7
simple to consume

9.5
worth the money

9.5
Absorbency
5

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

12% Off
Main highlights

Convenient Dosage and Quality
240 capsules with 200mcg selenium each; non-GMO, gluten-free.

Ideal for Daily Health Support
Perfect for maintaining selenium levels with one capsule daily.

Highly Praised Swallowability
Customers appreciate the easy-to-swallow vegetarian capsules.
9.0

Excellent

Our Rating

9.5
Absorbency

9.3
worth the money

9.1
simple to consume
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6

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

43% Off
Main highlights

Essential Mineral and Vegan Certified
Selenium is an essential trace mineral, vegan, soy-free, non-GMO, and kosher. Packaged in the USA by a family-owned company since 1968.

Ideal for Immune and Thyroid Support
Recommended for enhancing the immune system and managing thyroid issues, including hypothyroidism and Hashimoto's. Take 1-2 tablets daily with food.

Easy to Swallow and Effective
Customers appreciate the small, easy-to-swallow tablets. Positive effects on immune support and thyroid health are frequently mentioned.
8.9

Very Good

Our Rating

9.3
simple to consume

9.3
worth the money

9.3
Absorbency
7

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

Key Features
Clinically studied dosage, vegetarian-friendly, supports prostate and immune health, and acts as a potent antioxidant.

Ideal Use Cases
Perfect for individuals seeking to maintain prostate health, boost their immune system, and benefit from antioxidant properties.

Customer Praise
Most reviews highlight its effectiveness in improving prostate health and overall wellness, with noticeable results.
8.8

Very Good

Our Rating

9.3
simple to consume

9.3
Absorbency

8.2
worth the money
8

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

Immune and Antioxidant Support
Selenium capsules enhance immune system and antioxidant defenses, supporting healthy cellular function.

Ideal for Thyroid Health
Perfect for individuals seeking to maintain healthy thyroid hormone production.

Compact Capsule Size
Customers appreciate the small, easy-to-swallow vegan capsule size.
Key specs
- Health Benefits:Immune support, antioxidant
- Dietary Restrictions:Vegan, allergen-free
- Form:Capsules
- Selenium Content:N/A
- Absorption:N/A
8.7

Very Good

Our Rating

9.9
simple to consume

9.7
worth the money

8.0
Flavor
9

Carlyle

Carlyle Selenium Supplement 200mcg | 270 Tablet Capsules | Essential Trace Mineral | Vegetarian, Non-GMO, Gluten Free

15% Off
8.5

Good

Our Rating

9.5
worth the money

9.3
simple to consume

8.9
Absorbency
10

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

25% Off
Main highlights

Selenium Antioxidant Support
Promotes cellular health and longevity with antioxidant benefits.

Thyroid Health Enhancement
Ideal for individuals seeking natural thyroid support.

Energy Boosting Effect
Customers praise increased energy and vitality.
8.4

Good

Our Rating

9.9
quality of ingredients

9.5
worth the money

8.0
Aroma

10 Best selenium supplements of 2025

1

Clean Nutra Selenium 300mcg Iodine 500mcg Thyroid Support for Women & Men | L Tyrosine 500mg Ashwagandha Supplement Bladderwrack, Turmeric, Kelp, Schisandra Zinc Pills Capsule Supplements

How do we rank?

How do we rank?

Analyzing top stores

2

Global Healing Center - Selenium 200mcg, Selenium Supplement Drops with Organic Ingredients, Antioxidants for Thyroid and Immune Support, Non-GMO & Gluten-Free, for Men & Women - 2 Fl Oz

9.9

9.3

8.0

3

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

9.9

9.7

8.7

4

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

9.7

9.5

9.5

5

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

9.5

9.3

9.1

6

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

9.3

9.3

9.3

7

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

9.3

9.3

8.2

8

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

9.9

9.7

8.0

9

Carlyle Selenium Supplement 200mcg | 270 Tablet Capsules | Essential Trace Mineral | Vegetarian, Non-GMO, Gluten Free

9.5

9.3

8.9

10

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

9.9

9.5

8.0

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