Magnesium

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Clean Genuine Magnesium 1,404mg (Mega Mag)

~~$40.00~~$20.00

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Clean Genuine Magnesium L-Threonate + Uptake Blend

~~$53.00~~$27.00

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Clean Genuine Magnesium Glycinate

~~$38.00~~$19.00

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Clean Genuine Magnesium Malate Supplement

~~$47.00~~$24.00

Let customers speak for us

from 42889 reviews

Simply the best!

Simply the best!....great supplements. Don't hesitate, buy from these guys. And delivery?....ordered one day, arrived the next. Can't beat that...

Shaun T.

05/21/2026

British Supplements

Clean NMN 724mg

ROBERT M.

05/21/2026

Clean NMN 724mg

Rhodiola 👏👏👏

I’m convinced this supplement has greatly helped deal with the stress we’re having to deal with atm So pleased I saw Chris’s recommendation

susan p.

05/21/2026

Clean Genuine Rhodiola Rosea Extract 238mg (1,428mg) (4% Salidrosides 9.52mg)

Milk thistle

Excellent product and always quick delivery

tim c.

05/21/2026

Clean Genuine folate Supplement

Golden yellow and bitter taste as you would expect with great results

After using a cheaper supplier and doing a bit of my own research I now find the previous suppliers capsules which were and off white with no smell or taste probably were not as stated. BS Berberine are golden yellow with a bitter taste as true Berberine should be so make sure you take with food and water to bypass the bitterness present. Definitely managing hunger spikes with continued use and worth paying that bit extra for a quality product.

Gary S.

05/21/2026

Clean Genuine Berberine 14,787mg + Uptake Blend

Beetroot

Quick delivery, good quality.

Nympha S.

05/21/2026

Clean Genuine Beetroot Supplement

magnesium stack

Just wanted to say that i have ordered the magnesium stack for my wife. She has been taking other mag supplements with no noticable results and as a fibromyalgia sufferer she needs help. Were probably all have deficiencies due to the processed food diet so finding clean products is essential. This was ten dayd ago so a bit early to say much yet, but having ordered other products I'm sure we will have better results. I only use British Supplements after discovering the company. thanks to you and your staff

Paul L.

05/21/2026

Clean Genuine Magnesium 1,404mg (Mega Mag)

Excellent product.

Good value for money

Bonnie

05/21/2026

British Supplements

Clean Genuine Omega 3 Algae

douglas f.(.j.

05/21/2026

Clean Genuine Omega 3 Algae

Always great products . Repeat customer.

M.W.

05/21/2026

Clean B12 (Methylcobalamin 1,300ug)

Very good!

Feel more glass full more than half empty now I take these each day. Great service as well so far. Thanks!

Miles M.

05/21/2026

Mucuna Extract (99% L-Dopa) + Uptake Blend

Mega Magnesium

Really happy with it, sleeping better, very few muscle cramps these days and feel cognitive function has improved, great product

Stephen A.

05/21/2026

Clean Genuine Magnesium 1,404mg (Mega Mag)

Excellent

Products arrive on time , well packed and honest. I cancelled a repeat order with utmost ease which I very much appreciated.

Gavin S.

05/21/2026

Clean Genuine Milk Thistle Extract + Uptake Blend

Amazing supplement

I am so impressed with how I am feeling since taking the clean collagen. I can highly recommend this supplement . The results so far are astounding for me.

Pauline P.

05/21/2026

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

Well done British Supplements.✊🏻

Isle of White Mushroom had to pull Turkey Tail Tinqture from their website! most likely because the powers that be, have heard that it might be beneficial against the C word....which incidentally, is why I was buying it.
Now I've had to go elsewhere....namely here.

Nigel.

05/21/2026

Clean Genuine Turkey Tail Supplement

Magnesium

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Let customers speak for us