Magnesium Supplements
Magnesium Supplements
Magnesium supplements help to support bone and muscle health as well as energy production and regulating the nervous system. Great for alleviating muscle cramps, stress or anxiety, and improving sleep, our magnesium supplements come in tablet and topical gel form. All made high-in-quality and tested by experts.
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Magnesium guides




What are the benefits of magnesium supplements?
Magnesium is a vital mineral, and taking magnesium tablets offers the following benefits:
- Muscle function to prevent cramps and support relaxation
- Helping energy production
- Aiding in bone and teeth health
- Supporting the nervous system and reducing stress
- Promotes psychological wellbeing
- Enhanced support with protein synthesis for muscle maintenance
Read more about the benefits of magnesium, including key research insights around heart health.
How much magnesium do you need a day?
The recommended daily amount is 375mg of magnesium for adults. Our magnesium supplements are designed to provide 100% of this daily need, with our Magnesium 375mg, Elite Magnesium Plus and Opti-Magnesium® having 375mg a dosage.
To read more about nutrition reference intakes, read nutritionist Sarah Dumont-Gale's guide.
What foods contain magnesium?
While you can find magnesium naturally through foods, many people don’t get the recommended dosage from diet alone, which is why magnesium supplements can help. To get more in your diet, good sources include:
- Leafy greens like spinach and kale
- Nuts and seeds like almonds or pumpkin seeds
- Whole grains like brown rice or oats
- Legumes like black beans or chickpeas
- Dark chocolate
- Avocados and bananas
Why should you take magnesium supplements?
You should consider taking magnesium supplements if you don’t get enough naturally or if you experience symptoms of magnesium deficiency. This includes muscle cramps, stress and anxiety, sleep problems. You should also take a magnesium supplement if you are physically active and experience muscle spasms or need muscle recovery support. Those taking medications that reduce magnesium levels as a side effect may also wish to take a magnesium supplement to support their energy levels.
Which magnesium is best for sleep and how does it work?
Our Magnesium Glycinate is the best supplement for sleep. It combines magnesium with glycinate to promote relaxation and calm the nervous system. This may help those sleepless nights, aiding you in a state where you can drift off more easily. Our Magnesium Glycinate supplement is best taken about an hour before bed to support restful sleep, and it’s gentle on the stomach, so you don’t wake up with any aches.
Read more in our guide about magnesium for sleep.
Is magnesium good for anxiety and stress?
Yes! Magnesium supplements can help support the nervous system and reduce the body’s stress response by regulating the neurotransmitters involved in mood. Magnesium or one of our brain and mood supplements can help ease your symptoms. While it can help alleviate anxiety or stress, any serious mental health problems should be talked about with your doctor to find the best option for you.
Take a look at our guide on managing stress and anxiety for tips on how to cope with symptoms.
Can magnesium help with muscle cramps?
Yes, magnesium plays a vital role in preventing muscle cramps. Magnesium supplements are important for your muscle function and maintenance, as they can support your relaxation and help in protein synthesis. It also improves your bone and joint health, which works hand in hand with your muscles. Our Magnesium 375mg tablets are a good option, as well as our Magnesium and Glucosamine Gel, which acts as a fast-acting topical lotion.
When to take magnesium supplements?
This depends on your need and what magnesium supplement you choose:
- For sleep and relaxation – Take Magnesium Glycinate in the evening an hour before bed
- For energy and muscle support – Take Magnesium 375mg, Opti-Magnesium® or Elite Magnesium Plus after meals 1-2 times a day, if you’re using our Magnesium gel, it can be used at any time for targeted muscle or joint relief
Make sure to read each product’s description for their specific dosage information.
How long do magnesium supplements take to work?
Within a few days to 2 weeks, you’ll see some benefits, such as reduced muscle cramps or improved sleep. It takes 4-6 weeks of regular use to see the full benefits of magnesium supplements, such as improved energy, reduced stress, and stronger bones.
Can you take magnesium supplements with HRT?
Magnesium supplements are generally safe to take with hormone replacement therapy (HRT), but it’s wise to double check with your healthcare provider. Taking magnesium tablets may even help support your bone health, which is important during and after menopause. Why not take a look at our full range of menopause supplements.
Are magnesium supplements safe?
Yes, magnesium supplements are safe when taken as directed. However, if you have kidney problems or are taking medications, you should consult your doctor before starting them. Our magnesium supplements offer well-balanced dosages and use forms like citrate, chloride, oxide, and glycinate, which are gentle on the stomach.
We always use the highest-quality ingredients and source them ethically and sustainably, and our magnesium tablets are researched, reviewed and tested by experts. If you need any help or have any questions, speak to our friendly experts 7 days a week.