Reviews
“I started taking this for leg cramps and within a week they were gone. I also sleep more deeply now. It's gentle on my stomach.”
NutriZen Magnesium Oxide
ZAR 199.00
NutriZen Magnesium Oxide delivers a concentrated dose of elemental magnesium to support muscle relaxation, nerve function, bone health and cardiovascular stability. Particularly helpful for relieving occasional constipation, easing muscle cramps and promoting restful sleep.
Magnesium Oxide at its base supports digestion, muscle relaxation, and overall body balance using a high-potency form of magnesium known for its effectiveness in relieving occasional constipation and easing physical tension. It works by drawing water into the intestines to support regular bowel movements while also helping the body relax and recover.
This concentrated form provides strong, reliable support for digestive comfort, muscle function, and daily wellbeing. With consistent use, it can help reduce cramps, promote better sleep, and support a more relaxed, balanced body.
60
500 MG
Express shipping available — shipped through priority express
Fast ShippingNo AdditivesGMO FreeHalal
Quantity
1
Ingredients
Magnesium Oxide
Rice Flour & Vegetable Cellulose
Directions & usage
Adults take 1 capsule once or twice daily with a full glass of water, ideally before bedtime or on an empty stomach.
Your wellness journey
How you'll feel
Real changes you can feel, from the very first week to months of consistent use.
- Week 1
- Weeks 2–3
- Month 1+
Week 1
Muscle ease and better sleep begin
Within the first several days, muscle tension may ease and bowel movements become more regular. Sleep quality often begins to improve as magnesium supports relaxation.
- Muscle tension begins to ease
- More regular bowel movements
- Improved sleep onset and quality
Have questions?
Frequently Asked Questions
Have questions? We've got all the answers. If you don't see what you're looking for, reach out to our support team.
Magnesium oxide contains a high percentage of elemental magnesium and is cost-effective for replenishing stores. It is particularly useful for supporting digestive regularity and relieving constipation.
Magnesium can interfere with the absorption of some medications. Take medications at least two hours apart and check with your doctor if you are taking antibiotics or osteoporosis drugs.
Yes. Teens experiencing muscle cramps, stress or difficulty sleeping may benefit from magnesium, but they should follow the recommended dosage and consult a health-care professional if uncertain.
Reviews
4.710 reviews
5
7
4
3
3
0
2
0
1
0
Emma V.
27 Jan 2026
I started taking this for leg cramps and within a week they were gone. I also sleep more deeply now. Gentle on my stomach.
Jakub P.
19 Jul 2025
This magnesium helped my occasional constipation and headaches. I like that one capsule provides a lot of magnesium.
Nadia H.
04 Aug 2024
Great value and quality. I take it before bed and feel noticeably calmer. A simple, effective supplement.
Seán B.
10 Nov 2024
I've tried many forms of magnesium and this one works best for my digestion. Free from unnecessary fillers.
Chloe R.
02 Apr 2025
This product eased my tension headaches and improved my sleep quality. I wake up feeling more refreshed.
Manuel T.
15 Jun 2024
Works well for mild constipation. I experience fewer cramps but I need to drink plenty of water.