Life Extension Se-Methyl L-Selenocysteine

Name: Life Extension Se-Methyl L-Selenocysteine
Brand: Life Extension
SKU: 737870187998
Price: 11.93 GBP
Availability: InStock

Brands: Life Extension

£11.93

Selenium from Life Extension — 90 vcaps 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

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.

Quantity

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Categories : Caffeine-Free Supplements, Everyday Health Supplements, Life Extension, Vegetarian Supplements, Vitamins & Supplements

SKU: 737870187998

At a glance

£0.13

per daily dose

Limited

evidence for selenium

Our honest take

A selenium supplement using Se-methyl L-selenocysteine, a form found naturally in foods such as garlic and broccoli: 200 µg per capsule, which is nearly four times the daily reference intake. The brand markets this form for cell health, but there is no good evidence that one form of selenium beats another for people who are not deficient, and we make no claims about cancer or disease. 200 µg is within UK safe limits on its own, but it is easy to overdo selenium if you also take a multivitamin or eat Brazil nuts.

You want a single selenium supplement in this particular form
Your diet is low in fish, eggs, meat and nuts
You already take a multivitamin with selenium or eat Brazil nuts regularly
You want value: standard selenium tablets cost less
You have a thyroid condition or take regular medication: speak to your GP first

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.

Authorised health claim
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

Per daily dose (1 capsule): selenium (as Se-methyl L-selenocysteine) 200 µg (364% NRV). 90 capsules, 90 daily doses.

Other ingredients: microcrystalline cellulose, vegetable cellulose (capsule), stearic acid, silica. Suitable for vegetarians.

Always check the pack you receive, as manufacturers sometimes update recipes.

How to use

Take 1 capsule a day with food. Do not exceed the stated daily dose. Count any selenium from multivitamins or Brazil nuts towards your total.

Price per dose & how it compares

Product	Size	Price	Per daily dose
This product	90 vcaps	£11.93	£0.13
NOW Foods Selenium		from £4.99	£0.05
Osavi Selenium		from £6.85	£0.08
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.