Top Selenium Supplement Brands for Optimal Wellness

The world of dietary supplements is continually expanding, and Selenium is no exception, as its popularity grows thanks to its myriad of health benefits. Known for its antioxidant properties and its role in promoting immune system function, Selenium is a trace mineral that's vital for maintaining good health. Our comprehensive list explores some of the best brands offering high-quality Selenium supplements to help you make an informed choice. To discover which brands have made our top picks and why, read below.

Illustration of selenium

Best brands of selenium in 2025

Now Foods

Now Foods is a reputable brand known for producing high-quality selenium supplements, offering products such as their Selenium 200mcg capsules, which are yeast-free, vegan, and free from common allergens like dairy, eggs, gluten, and soy. These capsules support immune function, antioxidant activity, and overall health, with each serving providing 200mcg of selenium. The brand ensures its products are natural, non-GMO, and kosher and halal certified, catering to a wide range of dietary needs. With a strong presence in the market, Now Foods continues to empower healthier lives through their quality-tested products. Their selenium supplements are part of a broader range of natural health products that have been trusted by consumers for years.

Solgar

Solgar is a renowned brand for selenium supplements, offering yeast-free formulations that support antioxidant health and immune system function. Their selenium products, available in 100 mcg and 200 mcg tablets, provide up to 364% of the Daily Value (DV) per serving and are certified gluten-free, non-GMO, and suitable for vegans. Since 1947, Solgar has been a trusted name in dietary supplements, ensuring high-quality ingredients like L-selenomethionine. These supplements also aid in recycling Vitamin E and promoting thyroid hormone metabolism. With a commitment to purity and effectiveness, Solgar's selenium supplements are a popular choice for those seeking antioxidant support. For more detailed information, visit Solgar Selenium Yeast-Free details.

Life Extension

Life Extension is a renowned brand for selenium supplements, offering products like the Super Selenium Complex, which combines three forms of selenium (sodium selenite, L-selenomethionine, and selenium-methyl L-selenocysteine) along with vitamin E to support healthy aging, thyroid function, and immune health. Studies have shown that selenium supplementation can reduce cancer risk by up to 36% in individuals with low baseline selenium levels and can lower overall cancer rates, including a 63% reduction in prostate cancer among men with a history of prior cancers. Life Extension's formulations are designed to provide comprehensive support against oxidative stress and promote longevity, as evidenced by the high selenium levels found in some of the world's longest-living populations. Their products are highly recommended, with 98% of customers endorsing the brand. By incorporating selenium into vital enzymes and proteins, Life Extension's supplements help protect cells and tissues from oxidative damage.

Nature's Way

Nature's Way is a renowned brand in the health and wellness industry, particularly recognized for its high-quality selenium supplements. Known for their commitment to using natural ingredients, Nature's Way ensures that their selenium products are free from unnecessary additives and fillers, making them a trusted choice for health enthusiasts. With a history of providing reliable and effective supplements, Nature's Way has established itself as a leader in the market. Their selenium capsules are designed to support immune function and overall health, reflecting the brand's dedication to enhancing personal wellness. Nature's Way also offers a 45-day return policy, further solidifying customer trust.

Garden of Life

Garden of Life is renowned for its innovative approach to nutrient production, particularly in the creation of selenium supplements. By utilizing different organisms such as yeast and probiotic Lactobacillus bulgaricus, Garden of Life achieves a wider array of co-factors, enhancing nutrient synergy. This method ensures the nutrients are raw, untreated, and unadulterated, making them a significant innovation in vitamins and minerals. The brand's commitment to quality and natural processes sets it apart as one of the best producers of selenium supplements. This approach is particularly beneficial as it mimics natural nutrient absorption, providing optimal health benefits.

Pure Encapsulations

Pure Encapsulations is renowned for its high-quality selenium supplements, formulated with verifiable science and free from unnecessary additives and common allergens. Their Selenium Complex combines sodium selenite and selenium methionine, providing 110 mcg of selenium per capsule, which is essential for antioxidant defenses, immune function, and cellular health. With over 30 years of research and innovation, Pure Encapsulations has established itself as a leading brand in the nutritional supplement industry, recommended by healthcare professionals. Their products are made with hypoallergenic and vegan-friendly ingredients, ensuring they are suitable for various dietary needs. Pure Encapsulations' commitment to quality and purity makes them a trusted choice for those seeking effective selenium supplementation.

Thorne Research

Thorne Research is renowned as one of the best producers of selenium supplements, offering a highly absorbable form of selenium bound to the amino acid methionine, known as L-Selenomethionine. Each capsule provides 200 mcg of selenium, which is 364% of the daily recommended intake, supporting heart health, immune function, and thyroid hormone production. Thorne Research selenium supplements are gluten-free, dairy-free, and soy-free, making them suitable for a wide range of consumers. The brand's focus on personalized nutrition and genetic testing ensures that consumers receive the appropriate amount of selenium tailored to their individual needs. With a projected growth in the organic selenium market, Thorne Research continues to lead the industry with its high-quality and effective supplements. For more details, visit their selenium product page.

Jarrow Formulas

Jarrow Formulas is renowned for its high-quality selenium supplements, emphasizing the essential nutritional role of selenium in human health. The company addressed a 2007 Chinese ban on their whey protein products due to misconceptions about selenium levels, clarifying that their products contain nutritionally appropriate amounts of selenium, less than 10 micrograms per serving, which is well below the U.S. recommended daily allowances of 70 micrograms for men and 55 micrograms for women. Jarrow Formulas' Selenium Synergy® supplement, for instance, features selenium in the form of Methylselenocysteine, highlighting the brand's commitment to scientific research and superior formulation. The company's products are free from common allergens and adhere to Current Good Manufacturing Practices (cGMP), ensuring purity and potency. With a strong focus on scientific research and quality ingredients, Jarrow Formulas stands out as a reliable producer of selenium supplements.

Nature Made

Nature's Bounty, a renowned brand in the health supplement industry, stands out as a top producer of selenium supplements, offering products like Selenium 200 mcg tablets that support immune health and may help reduce cancer risk, although the FDA notes the evidence is limited. These supplements are made without artificial colors, flavors, or sweeteners and are suitable for vegetarians. With a long history of quality and innovation since 1971, Nature's Bounty ensures rigorous testing and retesting to guarantee potent and efficacious ingredients. Their selenium yeast products align with consumer preferences for natural and organic components, contributing to the market's growth at a CAGR of 3.7% from 2024 to 2034. The brand's commitment to safety and quality meets stringent regulatory requirements, enhancing product safety and consumer trust.

Swanson Health Products

Swanson Health Products is a renowned brand for producing high-quality selenium supplements, particularly their L-Selenomethionine capsules, which deliver 100 mcg of elemental selenium per serving, providing 182% of the daily value. These supplements are made from a high-bioavailability, organic source and support antioxidant, cardiovascular, thyroid, immune, and prostate health. Each capsule is formulated with rice flour and gelatin, ensuring purity and potency. Swanson Health's products are tested by internal and third-party labs to meet stringent quality standards. With a long history of commitment to health and wellness, Swanson Health Products is a trusted name in the dietary supplement industry.