Magnesium

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Clean Genuine Magnesium 1,404mg (Mega Mag)

~~£28.84~~£14.42

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Clean Genuine Magnesium L-Threonate + Uptake Blend

~~£38.14~~£19.07

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Clean Genuine Magnesium Glycinate

~~£27.60~~£13.80

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Clean Genuine Magnesium Malate Supplement

~~£34.30~~£17.15

Let customers speak for us

from 40268 reviews

Great supplement

Daniel P.

02/28/2026

Clean Genuine Magnesium 1,404mg (Mega Mag)

Returning customer

I have been buying different supplements that are good quality for about a year. Customers service is great and I love the packaging, it's easy to use. Delivery is fast and I get a reminder when it's time to get the next order.

Cecilia S.

02/28/2026

Clean Genuine Hydrolyzed Marine Collagen, Low DA 1,000-2,000

Real deal and all that you need

In-depth description of ingredients and how they interact to assimilate optimally competitively priced and swift delivery

Stephen K.

02/28/2026

Clean Genuine Omega 3 Algae

Bought for COPD cough

Bought lungwort for my husband who has COPD, and within a week or so, the annoying and constant throat clearing type tickle/cough has gone. Chest seems clearer, and breathing easier. Really pleased. Thank you Chris.

Gail

02/28/2026

Clean LungWort

Arrived in 24 hrs of ordering

, I ordered magnesium , it was delivered in 24 hrs , Early to tell the benefits. But I would order again.
Going by other reviews.

Wendy A.

02/28/2026

Clean Genuine Magnesium 1,404mg (Mega Mag)

Fantastic customer service

Excellent product, fast delivery and prompt response to my query from customer service. This is my 2nd purchase from British Supplements and I would highly recommend them.

Alison K.

02/28/2026

Clean Genuine Magnesium L-Threonate + Uptake Blend

Vit B12

Have been taking this along with clean Vit B complex for two months now, have to say that energy levels have improved and brain fog lessened. Service from this firm is great.

Julie S.

02/28/2026

Clean B12 (Methylcobalamin 1,300ug)

Hair Loss and Joints

Just received my second batch of Biotin for hair loss and Marine Collagen for my arthritic joints. My hair loss stopped before I even finished the first batch of Biotin and my journey BRS feel easier.
Excellent supplements - I had tried another brand of Biotin previously which had no effect!

Pam S.

02/28/2026

Clean Genuine Hydrolyzed Marine Collagen, Low DA 1,000-2,000

Vitamin C lab made

I bought 'vitamin C lab made' because I wanted to stave off colds for winter. I coupled this with vitamins D and K for absorption and I have not had a cold all winter. Others around me are coughing and sneezing but I've been fine. I strongly recommend you think about taking these if you get colds. Previously when I've bought over the counter vitamins they have not stopped colds, so I can only conclude these 'clean' vitamins actually do the job I want them to. I'm well pleased. Thank you!

A “.D.

02/28/2026

Clean Vitamin C (859mg) lab-made version

Review

I take the supplements for menopause. Start to work after a week. I think after more time is working perfectly. My husband is using us well. He's sleep is deeper now and more relaxed on the day.

B M.

02/28/2026

Clean Genuine Magnesium Glycinate

High quality supplements

Very happy with my purchase of turkey’s tale mushroom. This is not my first time ordering from this company. I also use milk thistle, vitamin D and mega magnesium. Love that the ingredients are always clean and no unnecessary fillers. I love what this company stands for! Will definitely be placing future orders here.

Raimonda C.

02/28/2026

Clean Genuine Turkey Tail Supplement

My Orders

Very happy with the service I receive from British supplements. . So glad I was recommended your products, they are the best. Thank you. Margaret McClelland

Margaret M.

02/27/2026

Clean Genuine Magnesium 1,404mg (Mega Mag)

Quality collagen product.

Good quality collagen supplement at a decent price and it actually works noticed an improvement in my skin after a few months of taking it. Fast delivery to. Definetly recommend this company as they seem passionate about what goes in to there products which is rare these days.

Debbie P.

02/27/2026

Clean Genuine Hydrolyzed Marine Collagen, Low DA 1,000-2,000

Honestly outstanding

Outstanding service with prompt delivery 100% qaulity products. Will not shop anywhere else for my supplements .

Anonymous

02/27/2026

Clean Genuine Uridine Monophosphate 352.8mg

Turmeric

Started having trouble with my wrist (very painful and swollen) I am at present using a walking stick following a fall so having strength in my arms is very important to me for standing up when seated. A friend recommended Turmeric and after only a few weeks the swelling and pain had gone and my strength returned. I will continue to use it to maintain this strength.

Josie R.

02/27/2026

Clean Genuine Indian Turmeric Extract + Uptake Blend

Magnesium

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Let customers speak for us