Last updated: November 2026
200mcg Per Tablet · 364% NRV · L-Selenomethionine · Vegan · 6 Authorised Claims
Selenium 200mcg Tablets UK — L-Selenomethionine, One a Day
Selenium contributes to normal thyroid function and the normal function of the immune system.
One small vegan tablet a day gives you 200mcg in the L-selenomethionine form.
200mcg
selenium per tablet
364%
of the NRV
6
authorised GB health claims
4p
a day on the 500 pack
Quick answer: what are these selenium tablets?
What it is: A selenium food supplement. Each tablet provides 200mcg of selenium as L-selenomethionine, 364% of the Nutrient Reference Value.
Serving: 1 tablet a day with a meal, giving 200mcg of selenium a day.
Format: Small 8mm tablet. Suitable for vegans and vegetarians. None of the 14 major allergens.
Health claims: 6 authorised GB claims for selenium: thyroid, immune system, hair, nails, spermatogenesis, and protection of cells from oxidative stress.
Not suitable for: Children, or anyone already taking another selenium supplement or a multivitamin containing selenium. Check with your GP if pregnant, breastfeeding or on medication.
Price and packs: 120 tablets £7.99 · 180 tablets £10.99 · 365 tablets £14.99 · 500 tablets £19.99. Free UK delivery.
How do I take it?
Take 1 tablet a day with a meal.
That gives you 200mcg of selenium a day (364% NRV). Taking it with food fits it into your normal routine. Breakfast or lunch both work.
Do not take more than 1 tablet a day. Selenium is a trace mineral and you only need small amounts, so more is not better. See the safety box below.
What is selenium and why do people take it?
Selenium is an essential trace mineral. Your body cannot make it, so it has to come from food. It is built into a group of proteins called selenoproteins, which include the enzymes your thyroid uses to process its hormones and the glutathione peroxidase enzymes that help protect cells.
How much selenium you get from food depends on how much is in the soil where it was grown, and UK soils are relatively low in it. The richest food sources are Brazil nuts, fish, seafood, eggs and offal. People who eat little of these, including many vegans, often choose a supplement to make their intake consistent.
What does 200mcg and 364% NRV mean?
The Nutrient Reference Value (NRV) for selenium is 55mcg a day. That is the labelling reference used across the UK. One tablet gives 200mcg, which is 364% of it. That counts as high strength, which is why the dose is one tablet a day and not more.
Because selenium is measured in micrograms, read labels carefully when comparing products. 200mcg is 0.2mg, and it is the most common strength sold in the UK as a single daily tablet.
Why L-selenomethionine?
Selenium comes in several forms. L-selenomethionine is an organic form: selenium bound into the amino acid methionine, the same form found naturally in foods such as cereals and nuts. Because it travels the same route as methionine, the body absorbs it well.
Cheaper tablets often use sodium selenite, an inorganic salt. This product uses L-selenomethionine only, and it is yeast-free, so it suits people who avoid yeast-based selenium.
6 Authorised Health Claims
Selenium claims on the Great Britain Nutrition and Health Claims Register
A claim can be made once a serving gives at least 15% of the NRV (8.25mcg). Each tablet gives 200mcg · 364% NRV
Selenium contributes to normal thyroid function
Your thyroid makes a hormone called T4, which has to be converted into its active form, T3, before your body can use it. The enzymes that do that conversion are selenoproteins, so they need selenium to work. The thyroid holds more selenium per gram than any other tissue in the body.
Selenium contributes to the normal function of the immune system
Immune cells use selenoproteins to multiply and do their job normally. They also produce reactive molecules as part of that job, and selenium-dependent enzymes help keep that in balance. "Normal function" means supporting the immune system working as it should, not boosting it beyond that.
Selenium contributes to the protection of cells from oxidative stress
Everyday processes like turning food into energy create unstable molecules called free radicals. Selenium is the working part of glutathione peroxidase, one of the body's own antioxidant enzymes, which neutralises them before they damage cell membranes, proteins and DNA.
Selenium contributes to the maintenance of normal hair
Hair follicles are some of the fastest-dividing cells in the body, and they rely on selenoproteins as they grow. "Maintenance of normal" means keeping healthy hair healthy. It is not a promise of thicker hair or new growth.
Selenium contributes to the maintenance of normal nails
Nails are made of keratin, a protein rich in sulphur-containing amino acids, and selenium is used in the cells that build it. As with hair, this claim is about keeping normal nails normal, not changing how fast or how strong they grow.
Selenium contributes to normal spermatogenesis
Spermatogenesis is the process of producing sperm. A selenoprotein called GPx4 forms part of the structure of each sperm cell's midpiece, the section that powers its movement, so selenium is needed for sperm to form normally.
What exactly is in each tablet?
| Specification | Detail |
|---|---|
| Product | Selenium 200mcg Tablets |
| Selenium per tablet | 200mcg (0.2mg) |
| %NRV per tablet | 364% |
| Form | L-Selenomethionine |
| Serving | 1 tablet a day with a meal |
| Daily selenium | 200mcg |
| Format | Tablet |
| Tablet size | 8mm |
| Vegan | Yes |
| Vegetarian | Yes |
| Yeast-free | Yes |
| Major allergens | None of the 14 |
| Pack sizes | 120, 180, 365 and 500 tablets |
| Storage | Cool, dry place away from light |
| Classification | Food supplement |
What are the ingredients?
Ingredients: Bulking Agents (Microcrystalline Cellulose, Dicalcium Phosphate), L-Selenomethionine, Anti-Caking Agents (Magnesium Stearate, Silicon Dioxide).
200mcg is a tiny amount, smaller than a grain of salt, so it cannot be pressed into a tablet on its own. The cellulose and dicalcium phosphate give the tablet its body and make sure the selenium is spread evenly, so every tablet carries the same 200mcg. Magnesium stearate and silicon dioxide stop the mix sticking to the tablet press. No colours, flavours or sweeteners are added.
What does the specification confirm?
✓ 200mcg selenium per tablet, as L-selenomethionine (364% NRV)
✓ Full ingredient list, declared in order
✓ Suitable for vegans and vegetarians
✓ Free from all 14 major allergens
A certificate of analysis is available for every batch. Request one through our contact page, quoting the batch number printed on your pack.
Does it contain any allergens?
No. The tablets are free from all 14 major allergens:
Celery · Cereals containing gluten · Crustaceans · Eggs · Fish · Lupin · Milk · Molluscs · Mustard · Peanuts · Sesame · Soya · Sulphur dioxide · Tree nuts
Who should check with a GP first?
One tablet a day only. Selenium has a safe upper limit, and food already gives you some. Do not take this with another selenium supplement or a multivitamin that contains selenium, and do not combine it with eating Brazil nuts regularly, as just a few Brazil nuts can contain several hundred micrograms.
Speak to your GP before use if you are pregnant or breastfeeding, have a thyroid condition, have been diagnosed with any medical condition, or take prescription medication.
Adults only. Not suitable for children.
Which pack size is best value?
| Pack | Price | Per tablet | Lasts | Per day |
|---|---|---|---|---|
| 120 tablets | £7.99 | 6.7p | 4 months | 6.7p |
| 180 tablets | £10.99 | 6.1p | 6 months | 6.1p |
| 365 tablets | £14.99 | 4.1p | 1 year | 4.1p |
| 500 tablets | £19.99 | 4.0p | 16 months | 4.0p |
The 500 pack works out 40% less per tablet than the 120 pack.
Subscribe & Save 10% on repeat deliveries. Free UK delivery. Pay in 3 with Klarna or check out fast with Shop Pay.
Do you supply selenium tablets wholesale?
Yes. We supply selenium 200mcg tablets in bulk and at trade prices to UK businesses.
Health food shops
Pharmacies
Gyms
Nutritionists
Online retailers
Clinics
Personal trainers
White label brands
UK stock
Held at our Southend unit and dispatched fast.
Paperwork supplied
Specification and certificate of analysis per batch.
Tiered pricing
The price per tablet drops as volume rises.
Since 2016
A UK supplier with 164,000+ verified sales.
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Minimum order? Trade orders start at modest volumes. Tell us what you need.
Pricing? Tiered by quantity. We quote on request.
Documentation? A specification and a certificate of analysis are supplied with every batch.
Lead time? Stock orders are usually dispatched within 1 to 2 working days.
White label? Yes, talk to us about your own branding.
Ask for a trade quote4.5 stars on Trustpilot
from 227 customer reviews of Charge Products · TrustScore 4.4
"Excellent products, pure quality with no fillers, great prices and fast delivery"
Paul · June 2026
"This is a great company with great quality and value for money products. And very good safe and secure delivery."
Imran Khan · June 2026
"Top quality with speedy delivery. Returning customer."
Steven · October 2026
"Good website with loads of info. Easy to order… I was fully updated by email, the package fully tracked, and arrived well within the delivery time slot."
Simon · October 2026
"Good price fast delivery and looks to be a quality product fully recommended"
Jason · June 2026
"This is my first order. I am very happy with the communication and delivery."
Sheila Moss · October 2026
These reviews rate Charge Products as a company: ordering, delivery and service. Read them all on our Trustpilot page.
What else do customers buy?
Vitamin D3 5000 IU + K2 Tablets
Vitamin D contributes to the normal function of the immune system.
Zinc Triple Complex Tablets
Zinc contributes to the maintenance of normal hair and nails.
Magnesium Glycinate 650mg Capsules
Magnesium contributes to a reduction of tiredness and fatigue.
Why buy from Charge Products?
164,000+
verified sales
99.8%
positive eBay feedback
5 Star
FSA food hygiene rating
Since 2016
UK supplement supplier
Where can I buy selenium 200mcg tablets?
Direct, on this page: all four pack sizes, Subscribe & Save 10%, Klarna and Shop Pay, and free UK delivery.
On eBay: through our eBay store, where we hold 99.8% positive feedback. Same stock either way.
How was this page written?
Every figure on this page comes from the manufacturer's product specification for this tablet: selenium content, form, %NRV, ingredients, allergens and vegan status.
The six health claims are quoted word for word from the Great Britain Nutrition and Health Claims Register. The plain-English explanations describe how selenium does each job. They are not extra promises.
We set the dose at one tablet a day to keep total selenium intake, including food, within UK safe upper levels.
Written by Charge Products, a UK supplement supplier trading since 2016. Last reviewed November 2026.
Frequently asked questions
How much selenium is in each tablet?
Each tablet contains 200mcg of selenium as L-selenomethionine, which is 364% of the 55mcg Nutrient Reference Value.
How many selenium tablets should I take a day?
Take one 200mcg selenium tablet a day with a meal, and do not take more than one tablet a day.
What is selenium good for?
Selenium contributes to normal thyroid function, the normal function of the immune system, the maintenance of normal hair and nails, normal spermatogenesis, and the protection of cells from oxidative stress.
What is L-selenomethionine?
L-selenomethionine is an organic form of selenium bound to the amino acid methionine. It is the main form of selenium found naturally in foods such as cereals and nuts.
Are these selenium tablets vegan?
Yes, Charge Products selenium 200mcg tablets are suitable for vegans and vegetarians, are yeast-free and contain none of the 14 major allergens.
Can I take selenium with a multivitamin?
Check the multivitamin label first: if it already contains selenium, do not take it alongside a 200mcg selenium tablet, to keep your total intake within safe limits.
Can I take selenium if I eat Brazil nuts?
Brazil nuts are very high in selenium, and a few can contain several hundred micrograms, so if you eat them regularly speak to your GP before adding a 200mcg selenium tablet.
Which selenium pack is the best value?
The 500-tablet pack of Charge Products selenium 200mcg costs £19.99, about 4p a day, which is 40% less per tablet than the 120-tablet pack.
How long does a pack of selenium tablets last?
At one tablet a day, the 120 pack lasts 4 months, the 180 pack 6 months, the 365 pack a year and the 500 pack about 16 months.
Can I get a certificate of analysis?
Yes, a certificate of analysis is available for every batch of Charge Products selenium tablets through the contact page at chargeproducts.co.uk/pages/contact.
Food supplement, not a medicine. Food supplements should not be used as a substitute for a varied and balanced diet and a healthy lifestyle. Do not exceed the stated dose. Keep out of reach of children. If you are pregnant, breastfeeding, taking medication or under medical supervision, consult your doctor before use. Store in a cool, dry place away from light.
| Amount of Tablets |
x120, x180, x365, x500 |
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