Skip to content
USE CODE 'NEW15' FOR 15% OFF YOUR FIRST ORDER*
USE CODE 'NEW15' FOR 15% OFF YOUR FIRST ORDER*
Free UK Delivery On all orders over £60
Worldwide Shipping With Reduced International Shipping Charges
Collect Ocean Reward Points Get Discounts on the things You Love

Magnesium Supplements

Magnesium is an essential mineral that plays a role in hundreds of reactions in the human body. It's necessary and can help promote proper muscle and nerve function, blood sugar control, and blood pressure regulation. Taking a magnesium supplement can help to improve sleep quality, reduce stress and anxiety levels, and boost energy levels. Explore the wide range at Oceans Alive and find the best format for you from magnesium spray to liquids or if you prefer the traditional tablets, we have those as well! Shop our options for adults and children now. 

  

  • Dr Mercola Magnesium L-Threonate 270 Capsules Dr Mercola Magnesium L-Threonate (Magtein 2000mg)
    Save up to 2% Save %

    Dr Mercola Magnesium L-Threonate (Magtein 2000mg)

    Original price £44.95 - Original price £110.95
    Original price £44.95 - Original price £110.95
    Original price
    £43.75 - £108.75
    £43.75 - £108.75
    Current price £43.75

    Magnesium plays a vital role in many of your body's functions, however, most forms of magnesium have low levels of brain bioavailability. Recently,...

    View full details
    Original price £44.95 - Original price £110.95
    Original price £44.95 - Original price £110.95
    Original price
    £43.75 - £108.75
    £43.75 - £108.75
    Current price £43.75
    Save up to 2% Save %
  • Altrient | Magnesium Magtein | 30 Sachets - Oceans Alive Health

    Altrient Magnesium Magtein | 30 Sachets

    Original price £82.96 - Original price £82.96
    Original price
    £82.96
    £82.96 - £82.96
    Current price £82.96

    Using unique patented technology, Magnesium L-Threonate is wrapped in double-layered spheres (liposomes) that protect the nutrient through the dige...

    View full details
    Original price £82.96 - Original price £82.96
    Original price
    £82.96
    £82.96 - £82.96
    Current price £82.96
  • Do Not Age D3, K2 & Magnesium Do Not Age Pure Vitamin D3, K2 & Magnesium | 60 Capsules

    Do Not Age Pure Vitamin D3, K2 & Magnesium | 60 Capsules

    Original price £14.95 - Original price £14.95
    Original price
    £14.95
    £14.95 - £14.95
    Current price £14.95

    The inclusion of vitamin D3 and vitamin K2 in this product is specifically formulated to facilitate the body's absorption of calcium. This essentia...

    View full details
    Original price £14.95 - Original price £14.95
    Original price
    £14.95
    £14.95 - £14.95
    Current price £14.95
  • Love Life Supplements Magnesium Love Life Supplements Magnesium Bisglycinate | 240 Capsules

    Love Life Supplements Magnesium Bisglycinate | 240 Capsules

    Original price £29.95 - Original price £29.95
    Original price
    £29.95
    £29.95 - £29.95
    Current price £29.95

    Magnesium Bisglycinate is a "chelated" supplement that combines magnesium with glycine, a non-essential amino acid which helps our bodies absorb th...

    View full details
    Original price £29.95 - Original price £29.95
    Original price
    £29.95
    £29.95 - £29.95
    Current price £29.95
  • Pure Sport Single Unit Puresport Female Balance Nootropic 60 Capsules

    Puresport Female Balance Nootropic 60 Capsules

    Original price £30.00 - Original price £30.00
    Original price
    £30.00
    £30.00 - £30.00
    Current price £30.00

    Puresport Female Balance Hormone Health Nootropic Capsules help you answer the longtime question of how to balance hormones? This supplement was fo...

    View full details
    Original price £30.00 - Original price £30.00
    Original price
    £30.00
    £30.00 - £30.00
    Current price £30.00
  • Child Life Essentials Calcium with Vitamins Child Life Essentials Calcium & Magnesium Orange flavour | 474ml

    Child Life Essentials Calcium & Magnesium Orange flavour | 474ml

    Original price £19.95 - Original price £19.95
    Original price
    £19.95
    £19.95 - £19.95
    Current price £19.95

    This supplementation can help provide nutrients that may be missing from the diet. Calcium is one nutrient kids cannot afford to skip.

    Original price £19.95 - Original price £19.95
    Original price
    £19.95
    £19.95 - £19.95
    Current price £19.95
  • BetterYou 1kg BetterYou Magnesium Flakes
    Save 28% Save %

    BetterYou Magnesium Flakes

    Original price
    Original price £10.95 - Original price £10.95
    Original price
    Current price £7.93
    £7.93 - £7.93
    Current price £7.93

    Magnesium Flakes can be added to your bath to help soothe tired and aching muscles for the ultimate relaxation. Pure Zechstein Inside® magnesium c...

    View full details
    Original price
    Original price £10.95 - Original price £10.95
    Original price
    Current price £7.93
    £7.93 - £7.93
    Current price £7.93
    Save 28% Save %
  • BetterYou BetterYou Magnesium Sleep Bath Flakes | 1kg
    Save 29% Save %

    BetterYou Magnesium Sleep Bath Flakes | 1kg

    Original price
    Original price £11.06 - Original price £11.06
    Original price
    Current price £7.90
    £7.90 - £7.90
    Current price £7.90

    A relaxing blend of Zechstein magnesium with essential oils lavender and chamomile to help slow sensory activity and quieten the mind in preparatio...

    View full details
    Original price
    Original price £11.06 - Original price £11.06
    Original price
    Current price £7.90
    £7.90 - £7.90
    Current price £7.90
    Save 29% Save %
  • Kiki Health KIKI Health Ionic Magnesium Liquid Concentrate | 50ml

    KIKI Health Ionic Magnesium Liquid Concentrate | 50ml

    Original price £24.99 - Original price £24.99
    Original price
    £24.99
    £24.99 - £24.99
    Current price £24.99

    Introducing the KIKI Health Ionic Magnesium Liquid Concentrate - your ticket to unlocking a world of natural vitality! Packed with a whopping 80mg ...

    View full details
    Original price £24.99 - Original price £24.99
    Original price
    £24.99
    £24.99 - £24.99
    Current price £24.99
  • Raise and Replenish Single Unit Raise and Replenish Catch Some Zen | 210g

    Raise and Replenish Catch Some Zen | 210g

    Original price £42.00 - Original price £42.00
    Original price
    £42.00
    £42.00 - £42.00
    Current price £42.00

    Busy, stressful days, social snooping, boxset-bingeing or over-thinking stopping you from getting into a good night time routine? When you need a l...

    View full details
    Original price £42.00 - Original price £42.00
    Original price
    £42.00
    £42.00 - £42.00
    Current price £42.00
  • Love Liposomal Love Liposomal Magnesium | 250ml

    Love Liposomal Magnesium | 250ml

    Original price £34.99 - Original price £34.99
    Original price
    £34.99
    £34.99 - £34.99
    Current price £34.99

    Love Liposomal Magnesium has been specially formulated for maximum absorption and bioavailability. It is an essential nutrient for healthy bones an...

    View full details
    Original price £34.99 - Original price £34.99
    Original price
    £34.99
    £34.99 - £34.99
    Current price £34.99
  • RESCUE RESCUE Peaceful Night | 28 Capsules
    Save up to 12% Save %

    RESCUE Peaceful Night | 28 Capsules

    Original price £15.95 - Original price £67.79
    Original price £15.95 - Original price £67.79
    Original price
    £13.99 - £67.79
    £13.99 - £67.79
    Current price £13.99

    Quality sleep after a demanding day can be difficult unless you're relaxed and ready for bed. NEW Bach RESCUE® Peaceful Night Capsules are designed...

    View full details
    Original price £15.95 - Original price £67.79
    Original price £15.95 - Original price £67.79
    Original price
    £13.99 - £67.79
    £13.99 - £67.79
    Current price £13.99
    Save up to 12% Save %
  • BetterYou BetterYou Magnesium Mind Bath Flakes | 750g
    Save 36% Save %

    BetterYou Magnesium Mind Bath Flakes | 750g

    Original price
    Original price £8.54 - Original price £8.54
    Original price
    Current price £5.50
    £5.50 - £5.50
    Current price £5.50

    A restorative blend of Zechstein magnesium, sweet orange and basil to soothe the body and focus the mind. 100% natural magnesium chloride Relaxes ...

    View full details
    Original price
    Original price £8.54 - Original price £8.54
    Original price
    Current price £5.50
    £5.50 - £5.50
    Current price £5.50
    Save 36% Save %
  • BetterYou BetterYou Magnesium Muscle Bath Flakes | 1kg
    Save 40% Save %

    BetterYou Magnesium Muscle Bath Flakes | 1kg

    Original price
    Original price £11.06 - Original price £11.06
    Original price
    Current price £6.67
    £6.67 - £6.67
    Current price £6.67

    BetterYou Magnesium Muscle Flakes provide an energising blend of Zechstein magnesium, lemon and rosemary as a sports supplement. Help recharge and ...

    View full details
    Original price
    Original price £11.06 - Original price £11.06
    Original price
    Current price £6.67
    £6.67 - £6.67
    Current price £6.67
    Save 40% Save %
  • BetterYou BetterYou Magnesium Relax Bath Flakes | 750g
    Save 29% Save %

    BetterYou Magnesium Relax Bath Flakes | 750g

    Original price
    Original price £8.54 - Original price £8.54
    Original price
    Current price £6.10
    £6.10 - £6.10
    Current price £6.10

    A relaxing blend of magnesium chloride, rose geranium and bergamot to help ease tension and clear the mind – for ultimate relaxation. 100% natural...

    View full details
    Original price
    Original price £8.54 - Original price £8.54
    Original price
    Current price £6.10
    £6.10 - £6.10
    Current price £6.10
    Save 29% Save %
  • BetterYou BetterYou Magnesium Revive Bath Flakes | 750g
    Save 28% Save %

    BetterYou Magnesium Revive Bath Flakes | 750g

    Original price
    Original price £8.54 - Original price £8.54
    Original price
    Current price £6.13
    £6.13 - £6.13
    Current price £6.13

    An energising blend of Zechstein magnesium, grapefruit and eucalyptus to soothe tired and aching muscles and sharpen the senses. 100% natural magn...

    View full details
    Original price
    Original price £8.54 - Original price £8.54
    Original price
    Current price £6.13
    £6.13 - £6.13
    Current price £6.13
    Save 28% Save %
  • Solgar Solgar Magnesium Citrate | 60 Tablets

    Solgar Magnesium Citrate | 60 Tablets

    Original price £14.00 - Original price £14.00
    Original price
    £14.00
    £14.00 - £14.00
    Current price £14.00

    Highly absorbable ‘citrate’ form of magnesium Supports muscle and nervous system function Supports energy release and reduces tiredness Contribute...

    View full details
    Original price £14.00 - Original price £14.00
    Original price
    £14.00
    £14.00 - £14.00
    Current price £14.00
  • Solgar Solgar Calcium Magnesium plus Zinc | 100 Tablets
    Sold out

    Solgar Calcium Magnesium plus Zinc | 100 Tablets

    Original price £11.95 - Original price £11.95
    Original price
    £11.95
    £11.95 - £11.95
    Current price £11.95

    High potency formula Convenient way to support healthy bones, teeth and muscles Supports the health of musculoskeletal and nervous system Perfect ...

    View full details
    Original price £11.95 - Original price £11.95
    Original price
    £11.95
    £11.95 - £11.95
    Current price £11.95
    Sold out
  • BetterYou BetterYou Magnesium Sleep Kids' Body Spray | 100ml
    Sold out

    BetterYou Magnesium Sleep Kid Spray | 100ml

    Original price
    Original price £11.95 - Original price £11.95
    Original price
    Current price £8.67
    £8.67 - £8.67
    Current price £8.67

    Are you looking for a kids magnesium supplement? BetterYou designed a Magnesium Spray with a marvelous mixture of magnesium chloride and lavender. ...

    View full details
    Original price
    Original price £11.95 - Original price £11.95
    Original price
    Current price £8.67
    £8.67 - £8.67
    Current price £8.67
    Sold out
  • BetterYou BetterYou Magnesium Sleep Kids' Bath Flakes | 750g
    Sold out

    BetterYou Magnesium Sleep Kids' Bath Flakes | 750g

    Original price
    Original price £11.95 - Original price £11.95
    Original price
    Current price £8.60
    £8.60 - £8.60
    Current price £8.60

    A whizz-popping blend of magnesium chloride, lavender and popping candy to relax tired bodies before bedtime. 100% natural Zechstein magnesium chl...

    View full details
    Original price
    Original price £11.95 - Original price £11.95
    Original price
    Current price £8.60
    £8.60 - £8.60
    Current price £8.60
    Sold out
  • BetterYou BetterYou Magnesium Sensitive Body Spray | 100ml
    Sold out

    BetterYou Magnesium Sensitive Body Spray | 100ml

    Original price
    Original price £13.95 - Original price £13.95
    Original price
    Current price £10.11
    £10.11 - £10.11
    Current price £10.11

    Are you looking for a magnesium spray to supplement your magnesium, levels? Look no further, check out the BetterYou Magnesium Spray Sensitive Body...

    View full details
    Original price
    Original price £13.95 - Original price £13.95
    Original price
    Current price £10.11
    £10.11 - £10.11
    Current price £10.11
    Sold out
  • BetterYou BetterYou Magnesium Sleep Body Spray | 100ml
    Sold out

    BetterYou Magnesium Sleep Body Spray | 100ml

    Original price
    Original price £13.94 - Original price £13.94
    Original price
    Current price £9.00
    £9.00 - £9.00
    Current price £9.00

    Check out this Magnesium Spray from BetterYou, a magnesium supplement formulated to promote deep relaxation, a sense of wellbeing and natural, peac...

    View full details
    Original price
    Original price £13.94 - Original price £13.94
    Original price
    Current price £9.00
    £9.00 - £9.00
    Current price £9.00
    Sold out
  • BetterYou BetterYou Magnesium Sleep Lotion | 180ml
    Sold out

    BetterYou Magnesium Sleep Lotion | 180ml

    Original price
    Original price £11.95 - Original price £11.95
    Original price
    Current price £7.46
    £7.46 - £7.46
    Current price £7.46

    an expertly blended magnesium supplement - made with a combination of magnesium chloride and essential oils of lavender and chamomile.5ml delivers ...

    View full details
    Original price
    Original price £11.95 - Original price £11.95
    Original price
    Current price £7.46
    £7.46 - £7.46
    Current price £7.46
    Sold out
  • Smidge Magnesium Smidge Evening Magnesium | 60 Veg Capsules
    Sold out

    Smidge Evening Magnesium | 60 Veg Capsules

    Original price £29.95 - Original price £29.95
    Original price
    £29.95
    £29.95 - £29.95
    Current price £29.95

    Smidge® Evening Magnesium is a gentle, calming supplement made with a premium form of magnesium called glycinate complex. All-natural and easily ab...

    View full details
    Original price £29.95 - Original price £29.95
    Original price
    £29.95
    £29.95 - £29.95
    Current price £29.95
    Sold out

Magnesium FAQs

What is Magnesium good for?  

Magnesium is an essential mineral that plays a crucial role in maintaining overall health and it is known for its numerous benefits, including promoting better sleep, reducing muscle cramps and spasms, and improving mood and mental health. Additionally, magnesium supports bone health and helps regulate blood pressure levels. It also aids in energy production and supports cardiovascular health. Overall, incorporating a magnesium supplement into your daily routine can help optimize your health and well-being.

How much magnesium per day?  

The recommended daily intake of magnesium varies depending on factors such as age, gender, and overall health. For adults, the recommended daily allowance (RDA) of magnesium is typically around 300-400 milligrams. However, individual needs may vary, and certain individuals may require higher doses of magnesium. It is always best to consult with a healthcare professional to determine the appropriate amount of magnesium needed for optimal health. It is worth noting that consuming too much magnesium can lead to adverse effects, so it is important to stay within the recommended daily intake.

Does Magnesium help you sleep?  

Magnesium is often touted as a natural remedy for improving sleep quality. Research suggests that magnesium can play a crucial role in regulating our body's sleep-wake cycle. It helps to relax the muscles and calm the nervous system, promoting a sense of calm and tranquility that aids in falling asleep faster. Additionally, magnesium has been shown to increase levels of a neurotransmitter called GABA, which helps to quiet the brain and reduce anxiety. While more studies are needed to fully understand the effects of magnesium on sleep, incorporating magnesium-rich foods or supplements into your routine may be worth considering for those struggling with sleep issues.

What are the signs of magnesium deficiency?  

Magnesium deficiency is a common problem, and recognizing its signs is crucial for maintaining overall health. One of the most noticeable signs of magnesium deficiency is muscle cramps and spasms, especially in the legs. Additionally, individuals may experience fatigue and weakness as magnesium is involved in energy production. Other symptoms include irregular heartbeat, high blood pressure, and mood changes like irritability and anxiety. It is important to address magnesium deficiency promptly through dietary changes or supplementation to prevent further complications and ensure optimal health.