Size
Osavi Selenium
Selenium from Osavi — 90 vegan caps / 120 vegan caps / 180 vegan caps per pack, no fuss.
Why people take it
- Selenium contributes to the normal function of the immune system
- Selenium contributes to the maintenance of normal hair and nails
- Selenium contributes to the protection of cells from oxidative stress
How to use
Take as directed on the pack, ideally with food and at the same time each day.
Good to know
- Choose from 3 sizes: 90 vegan caps / 120 vegan caps / 180 vegan caps
- Format: vcaps
- Caffeine free
- Vegetarian-friendly capsule shell
A food supplement, not a substitute for a varied diet and healthy lifestyle. Do not exceed the stated dose. Keep out of reach of children.
At a glance
£0.07
per daily dose
Limited
evidence for selenium
Our honest take
One capsule gives 200 µg of selenium as L-selenomethionine, about 364% of the daily reference intake. UK diets can run low in selenium, but 200 µg is a high daily amount: with a typical diet it takes you close to EFSA's upper level of 255 µg a day, so do not combine it with a multivitamin that has selenium or with Brazil nuts. Most people looking to top up would be better served by a 50 to 100 µg product. The formula itself is clean: selenomethionine, inulin and a plant capsule.
- You follow a vegan or low-fish diet and want selenium
- You want a single selenium supplement rather than a multivitamin
- You already take a multivitamin with selenium or eat Brazil nuts regularly
- You only want a gentle top-up: a 50 to 100 µg product is plenty
- You are pregnant, breastfeeding or on medication and have not checked with your GP
The science
Selenium· evidence: Limited
Selenium is a trace mineral needed for antioxidant enzymes, the immune system and thyroid hormone metabolism. Adults need 60 to 75 µg a day in the UK, from Brazil nuts, fish, meat, eggs and bread. UK intakes are on the low side of recommendations for some people, but clear deficiency is uncommon.
Large trials giving selenium to people who were not deficient (such as SELECT) found no protection against cancer or heart disease, and some hint of a higher risk of type 2 diabetes at higher intakes. Benefits are mainly expected in people who are actually low.
The range between enough and too much is narrow, so it is worth checking total intake from all supplements.
Selenium contributes to the normal function of the immune system. Selenium contributes to normal thyroid function. Selenium contributes to the protection of cells from oxidative stress. Selenium contributes to the maintenance of normal hair. Selenium contributes to the maintenance of normal nails. (Applies where a daily dose gives at least 15% of the NRV, i.e. 8.25 µg.)
Typical dose: Adults need about 60 µg (women) to 75 µg (men) a day from all sources (NRV on labels: 55 µg). Supplements usually give 50 to 200 µg.
Safety: The NHS advises that 350 µg a day or less from supplements is unlikely to cause harm; EFSA set a lower adult upper level of 255 µg a day from all sources in 2023. Too much over time can cause hair and nail loss, skin rashes and a garlic smell on the breath. Brazil nuts are very high in selenium, so count them if you also take a supplement.
Research we looked at:
NHS. Others: vitamins and minerals (selenium). nhs.uk/conditions/vitamins-and-minerals/others
EFSA NDA Panel. Scientific opinion on the tolerable upper intake level for selenium. EFSA Journal 2023;21(1):7704.
Rayman MP. Selenium and human health. Lancet 2012;379(9822):1256-1268.
Ingredients & nutrition
Always check the pack you receive, as manufacturers sometimes update recipes.
How to use
Price per dose & how it compares
| Product | Size | Price | Per daily dose |
|---|---|---|---|
| This product | 90 vegan caps | £6.85 | £0.07 |
| This product | 120 vegan caps | £12.99 | £0.10 |
| This product | 180 vegan caps | £15.99 | £0.08 |
| NOW Foods Selenium | from £4.99 | £0.05 | |
| Life Extension Se-Methyl L-Selenocysteine | from £11.93 | £0.13 | |
| KIKI Health Ionic Selenium | from £20.99 | – |
Cost per daily dose lets you compare packs of different sizes fairly.Worked out from our current prices.
Food supplements should not replace a varied, balanced diet and healthy lifestyle. General information, not medical advice. Speak to your GP or pharmacist first if you are pregnant or breastfeeding, have a medical condition or take medication.
Selenium from Osavi — 90 vegan caps / 120 vegan caps / 180 vegan caps per pack, no fuss.
Why people take it
- Selenium contributes to the normal function of the immune system
- Selenium contributes to the maintenance of normal hair and nails
- Selenium contributes to the protection of cells from oxidative stress
How to use
Take as directed on the pack, ideally with food and at the same time each day.
Good to know
- Choose from 3 sizes: 90 vegan caps / 120 vegan caps / 180 vegan caps
- Format: vcaps
- Caffeine free
- Vegetarian-friendly capsule shell
A food supplement, not a substitute for a varied diet and healthy lifestyle. Do not exceed the stated dose. Keep out of reach of children.
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