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Selenium is one of the essential trace elements for metabolism. As a component of the enzyme glutathione peroxidase, which occurs in all animal cells, it plays a decisive role in the breakdown of membrane-damaging oxidants and thus serves to protect the cell membrane. In food, selenium is mainly found in meat, fish, eggs, mushrooms, lentils and nuts. There are indications that around 70% of the population in Germany does not take in enough selenium. A deficiency can occur particularly in areas with a pronounced selenium deficiency in the soil. A selenium deficiency can result in a reduced function of selenium-dependent enzymes, which can have various adverse effects on the normal functioning of the organism. Like selenium, vitamin E (tocopherol) is an essential substance that the body needs for its normal function. Since the body cannot synthesize vitamins itself to meet its needs, they must be ingested with food. Vitamin E is a component of the membrane of all animal cells, but it is only produced by plants and cyanobacteria themselves. As a lipid-soluble antioxidant, it is able to protect various lipid structures in the organism from being destroyed by oxidation. In the diet, it occurs mainly in vegetable oils and grain products. A vitamin E deficiency, like a selenium deficiency, can have adverse effects on the normal functioning of the organism. A vitamin E deficiency can manifest itself, among other things, in poor concentration, poor performance, tiredness, irritability and dry, wrinkled skin.

Frequently asked questions

Can you overdose on selenium?

According to the European Food Safety Authority (EFSA), the safe upper limit for selenium intake is 300 μg per day. If the limit is significantly exceeded, side effects such as hair loss, brittle fingernails, nausea and diarrhea can occur.
The German Society for Nutrition (DGE) recommends a daily selenium intake of 70 μg per day for men and 60 μg per day for women.
A selenium deficiency can often be caused by an insufficient intake of selenium from the diet. This can be the case especially in areas with a pronounced lack of selenium in the soil and for vegans in general.
The intake of the spray is independent of the time of day. So you can take the spray when it suits you best.
The spray has a pleasant citrus fruit taste.
You can store the spray at normal room temperature. As long as it is protected from direct sunlight, you are otherwise free to choose where to store it.

Yes, in addition to the spray, we also offer selenium in capsule form.

→ Selenium Pure Capsules 200 µg

Selenium is safe to take continuously as long as the safe upper limit of 300 μg selenium per day is observed. Usually there are no side effects.

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