Magnesium Hydroxide Capsules
The highest amount of magnesium per capsule in the range.
£24.06
90 capsules
90 day supply
£0.27 per day £0.27 per capsule
Guaranteed additive free
Highest purity
Practitioner grade
Free Standard UK delivery over £35.00
30 day returns
In stock. Orders before 2pm Mon-Fri are dispatched same day.
★★★★★ "I won't go back to high street supplements. The difference in quality is something you can actually feel." Susie
Magnesium Hydroxide Capsules give you the highest amount of magnesium per capsule in the range, 144mg in one capsule a day with food. In the stomach the hydroxide reacts with acid to form magnesium chloride, which is then absorbed. One pot holds 90 capsules, which is a 90 day supply.
Benefits of taking magnesium
Magnesium is a mineral your body uses in more than 300 enzyme systems, from turning food into energy to sending nerve signals and contracting muscles. Any hydroxide that is not absorbed draws water into the bowel, so this form also supports regularity.
- Energy levels pick up as tiredness and fatigue ease.
- Muscles contract and relax as they should.
- Nerves get the magnesium they use to send signals.
- Bones and teeth stay healthy with the magnesium they contain.
Who benefits
Magnesium Hydroxide Capsules are most useful for:
- People who want the highest amount of magnesium in a single capsule.
- Anyone who welcomes a form that also keeps them regular.
- Those who want one capsule a day rather than several.
If you want a gentle form with no effect on the bowel, Magnesium Bisglycinate (Glycinate) Capsules or Magnesium Malate Capsules are the ones to choose.
What is in it
Each capsule provides 144mg of magnesium, which is 38% of the daily reference value and more than any other capsule in the range. There are no fillers or binders, only magnesium hydroxide and the vegetable capsule shell. Milk of magnesia is the household name for the same compound.
How to take it
Take one capsule a day with food. The hydroxide needs stomach acid to turn into the magnesium chloride your body absorbs, which is why it goes with a meal.
Diet and allergens
The capsules are suitable for vegans and vegetarians. They are free from gluten, dairy and nuts.
Quality
The capsules are made in the UK in a GMP certified cleanroom facility accredited to ISO 9001 and ISO 14001. Every batch is traceable from raw material to finished product. Like every supplement Nutri Tailor stocks, they are practitioner grade and guaranteed additive free.
Common questions
How does magnesium hydroxide compare with citrate and bisglycinate?
Hydroxide carries the most magnesium per capsule of any form in the range, while what is not absorbed draws water into the bowel. Citrate sits between the two, well absorbed with a mild loosening effect, while bisglycinate is the gentlest and has no effect on the bowel at all.
How much magnesium hydroxide should I take a day?
Take one capsule a day with food, which gives you 144mg, over a third of the daily reference value.
When is the best time to take magnesium hydroxide?
Take it with any meal, because having food with it matters more than the time of day.
Can I take it with other supplements?
Yes. Your body uses magnesium to regulate the active form of vitamin D, so the two are often paired to look after bones. Zinc and the B vitamins are other common pairings, while calcium is best taken about two hours apart because the two compete for absorption.
Does magnesium hydroxide have side effects?
The loosening effect on the bowel is the one to know about, since hydroxide is the compound in milk of magnesia. If you want none of that, bisglycinate is the form to choose.
What are the signs I might need magnesium?
Muscle cramps, poor sleep, low energy and tension are the signs people most often report. A blood test can confirm your level.
Delivery and returns
Order before 2pm Monday to Friday and your capsules are dispatched the same day from the UK. Standard UK delivery by Royal Mail Tracked 48 takes 2 to 4 working days and costs £3.35, or it is free when you spend £35 or more. Faster delivery is available at checkout. Nutri Tailor also ships worldwide, with duties and taxes shown before you pay. You can return unopened items within 30 days of delivery. New customers get 10% off their first order.
Why Nutri Tailor
Nutri Tailor is rated 4.6 out of 5, "Excellent", on Trustpilot. Every supplement is chosen by experienced nutritional therapists. Kasia Key, Registered Associate Nutritionist, says: "I use Nutri Tailor for myself and my clients because you can be certain that their supplements are industry leading quality."
Sources
The information on this page draws on the NHS, the NIH Office of Dietary Supplements and Mayo Clinic.
| Each capsule contains: | %NRV* | |
|---|---|---|
| Magnesium | 144 mg | 38% |
* Nutrient Reference Value
Also listed as Mg(OH)2, milk of magnesia.
Suitable for men.
Suitable for women.
Consult your healthcare practitioner before use if pregnant or breastfeeding.
Suitable for vegetarians.
Suitable for vegans.
No gluten containing ingredients.
No nut containing ingredients.
No dairy containing ingredients.
If you are taking prescribed medicines or under medical supervision, consult your healthcare practitioner before use.
Store in a cool dry place.
Keep out of reach of children.
This information is not a substitute for advice from a healthcare practitioner.
This product should not be used as a substitute for a varied diet.
Once opened, consume within 3 months.
This product is in stock. Orders placed before 2pm Mon-Fri are dispatched the same day.
UK Standard Delivery (Royal Mail Tracked 48, 2 to 4 working days) is £3.35, or free on orders of £35 or more. Express Delivery (Tracked 24, 1 to 2 working days) is £5.65, free on orders of £60 or more. Next Day Delivery (Royal Mail Special Delivery) is £8.50, free on orders of £100 or more; order before 2pm on a working day for next-working-day arrival. We dispatch Monday to Friday.
Delivery and worldwide shipping options are shown at checkout, with duties and taxes included.
Unopened items in their original packaging can be returned within 30 days of delivery.
New customers get 10% off their first order.
Quality promise
Why clinical grade matters
- ✓ GMP certified, pharmaceutical grade manufacturing
- ✓ Made in UK cleanroom facilities, ISO 9001 & ISO 14001 accredited
- ✓ No fillers, binders or additives, only active ingredients
- ✓ Fully traceable from raw material to finished product
- ✓ Non-GM, non-irradiated, 100% green energy manufacturing
Evidence
What the research shows
Our Health Reference Library is an ever-growing collection of peer-reviewed research and health guidance.
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Frequently asked questions
What is Magnesium Hydroxide good for?
Magnesium Hydroxide supports relaxation, sleep quality, muscle recovery, and stress resilience. Magnesium is involved in over 300 enzymatic reactions.
When should I take Magnesium Hydroxide?
Take in the evening, 30-60 minutes before bed for sleep support.
What are signs I might be low in magnesium?
Common signs people report include muscle cramps, poor sleep and tension. A blood test can confirm your level; the Nutri Tailor free blood test result interpreter reads the standard panel.
Can I take magnesium with other supplements?
Yes, magnesium pairs well with vitamin D, zinc, and B vitamins. Space from calcium by 2 hours for optimal absorption.
Who is magnesium hydroxide best for?
People who want the highest magnesium dose per capsule (144 mg) and people who want a form that also loosens the bowel. It does not suit people who want a gentle form; bisglycinate and malate are the gentle choices.
How does magnesium hydroxide compare with citrate and bisglycinate?
Hydroxide carries the most magnesium per capsule of any form in the range. What is not absorbed draws water into the bowel, so it supports regularity in a way bisglycinate does not. Citrate sits between the two, well absorbed with a mild loosening effect. Bisglycinate is the gentlest and the choice for people who want no effect on the bowel at all. Hydroxide suits people who want a high dose in one capsule and welcome the regularity effect.
Why capsules rather than tablets?
Tablets need binders, fillers and a coating to hold their shape. A capsule is a cellulose shell around the powder, so it carries no binders and breaks down quickly once swallowed.
