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What’s in Selenium?

Rice bran, hypromellose capsule shell, selenium (from L-selenomethionine).

Is Selenium vegan?


Is there any published scientific evidence of a benefit for Selenium?

Selenium is a food supplement and we display nutrition and health claims on the label:  Amongst a variety of roles, it contributes to the normal function of the immune system, and helps protect cells from oxidative stress.* Selenium contributes to the normal function of the thyroid gland and maintains normal hair and nails.* In regards to male fertility, it helps with normal spermatogenesis; the production of sperm.* *EU Registers on Nutrition and Health Claims.

What is the recommended dose?

The recommended dose is 1 capsule a day. Do not exceed this dose unless you are being advised to treat a known deficiency under the care of a health professional. Selenium should not be taken long term.

Can Selenium be taken by people with diabetes?

Yes, it can be taken by those with diabetes.

Can I take in pregnancy and lactation?

No, it is best not to.

What is the recommended age for taking Selenium?

Selenium can be taken at the age of 18 and above.

Does Selenium have to be taken with food?

No, it does not.

What are the side effects of Selenium?

There should not be any side effects from taking 1 capsule of Selenium a day in the short term. If Selenium is taken long term, when blood levels are already sufficient, health may be effected, such as increased risk of diabetes and worsening of male fertility and autoimmune diseases. If you have hypothyroidism and iodine deficiency speak to your doctor or dietitian beforehand as you may also require iodine treatment too. Selenium may cause an increased risk of bleeding.

Does Selenium contain any artificial additives?


What allergens does it contain?

It does not contain any of the 14 allergens which must be shown on EU labelling.

Where are the products made?


Are you sure the ingredients are genuine and free from contaminants?

Absolutely – the manufacturers have a long and strong history of quality assurance and compliance with international standards. They also do their own in-house analysis of each ingredient looking for purity and authenticity.

Are the supplements organic?

These are completely natural products but they are not organic.

Should I take Selenium at a certain time of day?


Can I take Selenium with my usual supplements such as glucosamine, multivitamins and omega 3 etc?

Yes, you can take with some other supplements, but not those containing selenium.

Storage: Do I have to keep Selenium in the refrigerator?

Selenium should be stored in a cool dry place. Storage in the refrigerator is acceptable.

Are there any concerns with taking Selenium while I am on prescription medications?

Medications that slow blood clotting (Anticoagulant / Antiplatelet drugs) interact with Selenium. Selenium might slow blood clotting. Taking selenium along with medications that also slow clotting might increase the chances of bruising and bleeding. Some medications that slow blood clotting include aspirin, clopidogrel (Plavix), dalteparin (Fragmin), enoxaparin (Lovenox), heparin, ticlopidine (Ticlid), warfarin (Coumadin), and others. Medications used for lowering cholesterol (Statins) interacts with selenum. Taking selenium, beta-carotene, vitamin C, and vitamin E together might decrease the effectiveness of some medications used for lowering cholesterol. It is not known if selenium alone decreases the effectiveness of some medications used for lowering cholesterol. Some medications used for lowering cholesterol include atorvastatin (Lipitor), fluvastatin (Lescol), lovastatin (Mevacor), and pravastatin (Pravachol). Sedative medications (Barbiturates) interact with Selenium. The body breaks down medications to get rid of them. Selenium might slow how fast the body breaks down sedative medications (Barbiturates). Taking selenium with these medications might increase the effects and side effects of these medications. Always discuss with your pharmacist before buying Selenium.

Can I take Selenium before surgery?

Probably not; always check with your surgeon first.

How long will it take for me to feel the effects of the supplements?

Just as the effects of a healthy diet are long term and are seen over a lifetime, it is difficult to say when you would feel an observable effect from supplements. However, we do know that it is always important to maintain a balanced diet for good health.

Do I have to take Selenium every day? Can I take every alternate day?

Yes, but it may be best to take every day if you are treating a known deficiency.

If I cannot consume capsules, what are the other alternatives to taking Selenium?

You can open the capsule and pour the ingredients into your cold or warm food/drink.

Are the supplements kosher or halal?

Selenomethionine contents are vegetarian/vegan but it does not hold any religious certification. The rice bran holds certification for halal and kosher diets. Although the capsules alone are vegan and are suitable, they do not hold a religious certificate. The supplement collectively does not hold certification.