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Selenium 100 mcg – 100 Capsules

by Woodstock Vitamins
Our Price: $11.19

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Mineral Support for Fighting Free Radical Damage

As a naturally occurring trace mineral, selenium plays a vital role in many bodily processes. The antioxidant compound supports DNA production, protects cells from oxidative stress, helps to prevent chronic conditions like heart disease, and more. Recent clinical studies have even linked selenium to a lowered risk of certain types of cancer. That’s why our chelated formula comes with 100 easy-to-swallow capsules — selenium supplementation should be simple, accessible, and affordable.

Product Highlights

Support cellular, thyroid, and immune health
Chelated for maximum absorption
Made in a GMP-compliant facility; Third-party tested
No artificial colors, flavors, or preservatives

Our Experts Say

When done right, selenium supplementation can be a helpful, natural aid for cancer prevention and overall wellness. Our pharmacist-crafted, data-backed selenium formula is rooted in the science of supplements and uses only the most bioavailable form of the chelated mineral. This makes our capsules both easier on your digestion and easier to absorb, so you give the most from your cancer-fighting, inflammation-reducing, and thyroid-supporting selenium supplement.

Powerful Antioxidant
As an antioxidant, selenium safeguards cells against free radicals that can harm cellular health and ordinary cell capability. While free radicals are a normal, and unavoidable, part of life, selenium can help maintain cellular balance and prevent chronic oxidative stress.
Protects the Heart, Thyroid, and Immune System
According to recent clinical data, selenium's antioxidant properties can, in turn, help sustain a healthy heart and cardiovascular well-being, while also providing additional support to the immune system and the thyroid — a critical gland for hormonal and overall health.
Third-Party Tested for Potency and Purity
Like all of our pharmacist-crafted supplements, this selenium formula was produced in a meticulously kept, GMP-compliant facility and passed rigorous third-party tests for product purity and potency.

How to Use

Daily Use

As a supplement, adults may take 1 capsule per day with a meal. 


Other notes

Individuals taking medication should discuss potential interactions with their healthcare practitioner.


What's in the Bottle

L-Selenomethionine is a chelated form of selenium, which means it is bound to an amino acid. This form of chelated selenium is found abundantly in natural foods — like Brazil nuts — and is easier to absorb than non-chelated forms.

Supplement Facts

Other Ingredients:  Cellulose, capsule (gelatin), magnesium stearate, and silica.

Does Not Contain:  Wheat, gluten, soy, or dairy products, fish, shellfish, peanuts, tree nuts, eggs, ingredients derived from GMOs, artificial colors, artificial sweeteners, or artificial preservatives.

Selenium 100 mcg - 100 Capsules

Quality — Without the B.S.

We follow Dr. Neal’s science-based Supplement Quality Standard — the expert’s way of choosing a supplement that works for your wellness, your wallet, and the world. When crafting our pharmacist-formulated supplements, we consider the science, compliance, virtues, and value of a product or brand before we recommend anything to you.

This nutrient-dense formula is made with the most bioavailable ingredients available and in concentrations proven to support cellular, thyroid, and heart health according to recent clinical research.
We take product purity very seriously. So, to develop the highest quality selenium supplement possible, we test for heavy metals like lead and arsenic, putting every bottle through strict quality control processes to ensure safety and efficacy.
Our transparency-first model means you know the exact potency of each capsule and why we use the ingredients we do. From source to shelf, our manufacturing process is centered around transparent solutions that work for your wellness and the world.
We want our supplements to work for your wallet, too. That’s why this selenium supplement is clinically formulated with only the most bioavailable ingredients — so you get the most bang for your buck without any unnecessary fillers or allergens.

The Final Word

L-selenomethionine is an essential trace mineral that plays an important role in many bodily functions, including reproduction, DNA production, and thyroid hormone production. We can get this natural compound from food sources, but most of us aren’t getting enough from our diets alone. That’s where a highly bioavailable, chelated selenium supplement can help bridge the gap — all while providing evidence-based benefits like heart and prostate health support, improved immune systems, and healthy thyroid function.

Frequently Asked Questions

  • Why do I need Selenium?

    Selenium is an essential mineral that helps the body with many important functions, including strengthening the immune system and helping regulate hormones. 


    Taking a selenium supplement may reduce inflammation and oxidative damage, as well as help protect against certain types of cancer. Additionally, it helps in synthesizing proteins, which are critical for proper cellular functioning. Taking a selenium supplement can be beneficial for people with a deficiency or those who want to increase their overall health and wellness.

  • How much Selenium do I need every day?

    Most adults need approximately 50 – 100 mcg of selenium daily. However, you should always speak to your doctor before taking any supplements to determine the exact amount that is right for you.


    Inadequate levels of selenium in the body can lead to various health issues such as the increased risk of getting cancer, poor immunity, infertility, and fatigue. 

    Regular consumption of Selenium is essential for the proper functioning of the thyroid glands, which helps regulate hormones and metabolism. Without adequate Selenium levels, the body will struggle to heal itself or fight off diseases and infections.

  • What makes this product “Vitality Approved”?

    We keep wellness simple by adhering to the Vitality Approved standard. Through our strict third-party testing, our supplements are free of all contaminants and thoroughly batch-tested for quality and potency.


    Selenium supplements can contain contaminants such as lead, cadmium, arsenic, and mercury. Contamination of selenium supplements can occur due to poor manufacturing practices. 

    For this reason, it is important to use a Selenium supplement like ours — one that utilizes stringent purity and testing standards to ensure a safe final product. 

Customer Reviews

Based on 1 review
Anna Tanski

Using it to boost my immune system and add to my antioxidant program for my MS. It seems to help.


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