Thorne Research

Selenium 60 caps Thorne Research

Price: 18,69€

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Protect your body with a high-quality essential mineral—immunity, antioxidants, and natural beauty in one supplement.

🛒 Add Thorne Selenium to your cart and strengthen your health from the inside out!

Suitable for:

✅ People who want to strengthen their body's defenses, especially during periods of exertion or environmental exposure.
✅ Individuals seeking antioxidant support to protect cells from oxidative damage.
✅ Anyone who wants to promote hair health, strong nails, or maintain good thyroid function under normal conditions.

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Thorne Selenium as L-Selenomethionine for Thyroid, Immunity, and Cellular Balance — Thorne

Thorne Selenium is a selenium supplement in the form of L-selenomethionine, providing 200 mcg per capsule, in an extremely pure, two-ingredient formula. It can be beneficial for those looking to support normal thyroid function, the immune system, cellular protection, and antioxidant balance as part of a daily routine.

Selenium is an essential trace mineral that the body cannot produce on its own — it must be obtained through diet or supplementation. With soils increasingly depleted of selenium across much of Europe, ensuring an adequate intake of this mineral through diet is becoming more challenging. Thorne Selenium — previously marketed as Selenomethionine — provides 200 mcg of selenium in the form of L-selenomethionine per capsule, an amino acid form with an excellent integration profile by the body. With just two ingredients — selenium and microcrystalline cellulose — in a gluten-free, soy-free, and dairy-free vegetable capsule, it can be easily incorporated into any daily wellness routine.

✅ May contribute to the protection of cells against oxidative stress (antioxidant action).
✅ May support the normal functioning of the immune system.
✅ Essential for normal thyroid function – supports the production of T3 and T4 hormones.
✅ Organic form of selenium (selenomethionine) with high absorption.
✅ Gluten-free, lactose-free, soy-free – ideal for food sensitivities.
✅ Thorne capsules of high purity and pharmaceutical quality.



The only active ingredient is selenium in the form of L-selenomethionine, providing 200 mcg of elemental selenium per capsule — 364% of the daily reference intake (NRV of 55 mcg). Selenomethionine is the organic form of selenium in which this mineral naturally occurs in plant and animal foods, bound to the amino acid methionine. It is widely recognized as one of the forms of selenium with the best retention profile by the body. Selenium is an essential cofactor for various selenoproteins — including glutathione peroxidases and thioredoxin reductases — which are part of the body's natural antioxidant systems. It is also indispensable for the conversion of the thyroid hormone T4 into its biologically active form T3, and for the normal functioning of the immune system. The formula contains only two ingredients: selenium as L-selenomethionine and microcrystalline cellulose, in a vegetable hypromellose capsule. No additional excipients, no preservatives, no artificial flavors or colors.

To consider

  • The dose of 200 mcg/day is within safe limits for healthy adults (the tolerable upper limit — UL — defined by EFSA is 300 mcg/day for adults). Do not exceed the recommended dose without the guidance of a healthcare professional.

How to Use: 1 Capsule daily or as directed by a healthcare professional.

Selenium (as L-selenomethionine), 200 µg/**

Ingredients:Microcrystalline cellulose (filler), hypromellose capsule (cellulose), L-selenomethionine

  • Vegetariano
  • Vegano
  • Não tem glúten
  • Sem lactose
  • Sem soja
  • Sem aromas artificiais
  • Sem adoçantes artificiais
  • Sem corantes artificiais
  • Vegetariano
  • Vegano
  • Não tem glúten
  • Sem lactose
  • Sem soja
  • Sem aromas artificiais
  • Sem adoçantes artificiais
  • Sem corantes artificiais
  • Vegetariano
  • Vegano
  • Não tem glúten
  • Sem lactose
  • Sem soja
  • Sem aromas artificiais
  • Sem adoçantes artificiais
  • Sem corantes artificiais

tiroide

What is Thorne Selenium (Selenomethionine) for?

Thorne's Selenium is a selenium supplement in the form of L-selenomethionine that can contribute to normal thyroid function, the immune system, cell protection against oxidative stress, the maintenance of hair and nails, and the normal metabolism of iodine. It is especially relevant in regions with selenium-poor soils, where dietary intake may be insufficient.

Who can benefit from this supplement?

It may be useful for those with selenium deficiency or suboptimal dietary intake, people with hypothyroidism or thyroid dysfunction (such as Hashimoto's thyroiditis), those who want to support the immune system and antioxidant balance, people with hair loss or brittle nails associated with mineral deficiencies, and those living in regions with selenium-poor soils (such as Portugal and much of Europe). Always in addition to medical follow-up.

What is the difference between selenomethionine and inorganic selenium (such as sodium selenite)?

Selenomethionine is the organic form of selenium, naturally present in foods, which the body recognises and retains more efficiently. Inorganic forms (sodium selenite and selenate) have lower organic retention. L-selenomethionine can be stored in muscle tissues and used more gradually, which makes it preferable for maintenance supplementation.

* VRN (Valor de Referencia de Nutrientes)

** VRN no establecido.

Los complementos alimenticios no sustituyen una dieta variada y equilibrada ni un estilo de vida saludable. Si está embarazada o amamantando, comuníquese con su médico antes de tomar los suplementos. No se recomienda en casos de hipersensibilidad o alergia a alguno de los ingredientes de la formulación o cuando se describan interacciones de otro producto con alguno de los componentes de la formulación. Mantener fuera del alcance y de la vista de los niños. Conservar en un lugar fresco y seco, alejado de la luz.

No debe excederse la dosis diaria recomendada.

* VRN (Valor de Referencia de Nutrientes)

** VRN no establecido.

Los complementos alimenticios no sustituyen una dieta variada y equilibrada ni un estilo de vida saludable. Si está embarazada o amamantando, comuníquese con su médico antes de tomar los suplementos. No se recomienda en casos de hipersensibilidad o alergia a alguno de los ingredientes de la formulación o cuando se describan interacciones de otro producto con alguno de los componentes de la formulación. Mantener fuera del alcance y de la vista de los niños. Conservar en un lugar fresco y seco, alejado de la luz.

No debe excederse la dosis diaria recomendada.

Price: 18,69€
Selenium 60 caps Thorne Research
18,69€