Tri-Selenium Capsules




Metabolics Tri Selenium capsules contain a unique combination of three selenium forms making this a highly bioavailable Selenium supplement, meaning it is easily absorbed by the body.

These three forms are:

  • Sodium Selenate
  • Methylselenocysteine (MSC)
  • L Selenomethionine

The inorganic form, Sodium Selenate, is metabolised to sodium selenite in the body and the other two, MSC Methylselenocysteine and Selenomethionine, are organic forms.

Selenium in any form, whether from food or supplements, organic or inorganic, is utilized by the body for selenoprotein synthesis after first being metabolized to hydrogen selenide, the cellular storage form of selenium. Surplus selenium is converted to methylated metabolites and excreted via the urine and in the breath.


Selenium is an important nutrient for a wide variety of bodily functions and to keep us healthy. These functions include:

  • Selenium contributes to normal spermatogenesis
  • Selenium contributes to the maintenance of normal hair
  • Selenium contributes to the maintenance of normal nails
  • Selenium contributes to the normal function of the immune system
  • Selenium contributes to the normal thyroid function
  • Selenium contributes to the protection of cells from oxidative stress


Tri-Selenium Capsules should not be used as a substitute for a varied diet.

Selenium can be obtained through diet with the different forms in Tri-Selenium Capsules being found in a variety of foods.

Methylselenocysteine is the predominant form of selenium, as an organic form, in allium and brassica plants including onions and garlic, and cruciferous vegetables such as broccoli and cabbage.

Selenomethionine is also an organic form and is formed in plants during the synthesis of the amino acid methionine, when selenium substitutes for sulfur and becomes incorporated into proteins in place of methionine. It is the predominant form of selenium in brazil nuts, cereals, legumes and fish. Selenate, as the only inorganic form in Tri-Selenium Capsules, is grown in seleniferous soil and is the predominant form of selenium in shellfish and vegetables that are not a part of the allium and brassica families.

Where you cannot obtain enough selenium through diet, Tri-Selenium Capsules are a way of increasing your selenium intake.


When you buy Tri-Selenium from Metabolics you can be sure you are purchasing a superior quality food supplement made with only the purest ingredients. We also pride ourselves on exceptionally fast dispatch of orders, dispatching the same day when an order is placed before 3pm Monday to Friday, this means you receive your delivery as quickly as possible.

In addition to the quality of the raw ingredients, optimum bioavailability is ensured through using the three different forms of selenium in this Tri-Selenium Capsules product.

Each capsule contains…………………………………………………………%NRV*
Total Selenium …………………………………196 mpg ………………………356%
[Equal amounts of Selenium from:
Methylselenocysteine (MSC)
L Selenomethionine & Sodium Selenate]
† Nutrient Reference Value (NRV*) not established
Ingredients: Cellulose, Hydroxypropyl Methylcellulose (capsule), Dicalcium Phosphate, Methylselenocysteine, L Selenomethionine, Sodium Selenate.
Suitable for:
  • Vegetarian
  • Vegan
  • No gluten containing ingredients
  • No nut containing ingredients
Directions/Dosage: Recommended dose 1 capsule per day before food. The stated recommended dose can be changed as directed by your healthcare practitioner. Do not exceed this recommended dose. Consume within 3 months of opening.
Warning: If pregnant or breast feeding, consult your healthcare practitioner before using. Adult use only. This product should not be used as a substitute for a varied diet.
Storage: Store in a cool, dry place out of reach of children.
Product type: Serving Size: 1 capsule


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