Last update
3/8/2026
Research Authors

Overview

SCIENTIFIC SCORE
Questionable
Based on 5 Researches
6.6
USERS' SCORE
Good
Based on 36 Reviews
8
Supplement Facts
Serving Size: 1 Vegetarian Capsule
Amount Per Serving
%DV
Magnesium [as magnesium oxide, citrate, succinate)
500 mg
119%
📅 Last updated:

Top Medical Research Studies

8
Magnesium potentially benefits CFS patients
We investigated the relationship between magnesium levels in red blood cells and chronic fatigue syndrome (CFS). A case-control study revealed that CFS patients had lower magnesium levels than healthy individuals.

In a randomized, double-blind trial, 32 CFS patients received either magnesium sulphate or a placebo for six weeks. Those treated with magnesium reported significant improvements in energy, emotional wellbeing, and pain relief, with twelve out of fifteen feeling better.

In contrast, only three out of seventeen patients on placebo reported any improvement. Overall, these findings suggest that magnesium treatment may positively impact the wellbeing of those suffering from CFS.
Read More
7
Magnesium sulfate shows potential benefits
We aimed to understand the effects of magnesium sulfate treatment on a patient with chronic fatigue syndrome. The case involved a 29-year-old woman experiencing severe fatigue alongside various symptoms, including swelling lymph nodes and muscle pain.

After other treatments failed to provide relief, we administered magnesium sulfate intravenously once a week. Remarkably, after six weeks, the patient reported a significant reduction in fatigue and improved daily functioning, eventually leading to her discharge from the hospital.
Read More
7
Magnesium shows limited benefit for fatigue
We investigated how magnesium levels relate to chronic fatigue by studying 93 patients with unexplained fatigue.

Around 47% of participants showed magnesium deficiency, linked to reduced plasma antioxidant capacity.

Although magnesium supplementation didn't increase blood glutathione levels, we observed improved magnesium stores and vitamin E levels.

However, this did not equate to a significant boost in antioxidant activity or a decrease in lipid vulnerability. Therefore, while magnesium may help improve some parameters, it is not a panacea for chronic fatigue syndrome.
Read More

Most Useful Reviews

9
Increased energy levels
90 people found this helpful
I've taken this vitamin for a few months, and it has significantly changed my life. I've noticed enhanced strength, improved mood, and reduced fatigue, which has boosted my energy levels substantially.
Read More
9
Regulated bowel movements
11 people found this helpful
The supplement helped my wife, who has Irritable Bowel Syndrome and chronic fatigue syndrome. After years of struggling with constipation, this has significantly improved her bowel movements to twice daily. The magnesium complex is high quality and easy to ingest.
Read More
7.5
Reduced frustration
1 people found this helpful
I take magnesium daily to manage stress and prevent constipation. Adjusting my intake has kept my stomach comfortable, which lessens irritation. I believe magnesium is essential, as stress can harm mental well-being. Though I prefer subcutaneous absorption, this oral form works for me and I plan to continue using it to support my health.
Read More

Medical Researches

SCIENTIFIC SCORE
Questionable
Based on 5 Researches
6.6
  • All Researches
8
Magnesium potentially benefits CFS patients
We investigated the relationship between magnesium levels in red blood cells and chronic fatigue syndrome (CFS). A case-control study revealed that CFS patients had lower magnesium levels than healthy individuals.

In a randomized, double-blind trial, 32 CFS patients received either magnesium sulphate or a placebo for six weeks. Those treated with magnesium reported significant improvements in energy, emotional wellbeing, and pain relief, with twelve out of fifteen feeling better.

In contrast, only three out of seventeen patients on placebo reported any improvement. Overall, these findings suggest that magnesium treatment may positively impact the wellbeing of those suffering from CFS.
Read More
7
Magnesium shows limited benefit for fatigue
We investigated how magnesium levels relate to chronic fatigue by studying 93 patients with unexplained fatigue.

Around 47% of participants showed magnesium deficiency, linked to reduced plasma antioxidant capacity.

Although magnesium supplementation didn't increase blood glutathione levels, we observed improved magnesium stores and vitamin E levels.

However, this did not equate to a significant boost in antioxidant activity or a decrease in lipid vulnerability. Therefore, while magnesium may help improve some parameters, it is not a panacea for chronic fatigue syndrome.
Read More
7
Magnesium sulfate shows potential benefits
We aimed to understand the effects of magnesium sulfate treatment on a patient with chronic fatigue syndrome. The case involved a 29-year-old woman experiencing severe fatigue alongside various symptoms, including swelling lymph nodes and muscle pain.

After other treatments failed to provide relief, we administered magnesium sulfate intravenously once a week. Remarkably, after six weeks, the patient reported a significant reduction in fatigue and improved daily functioning, eventually leading to her discharge from the hospital.
Read More
7
Magnesium shows promise for CFS
We explored the effects of magnesium on chronic fatigue syndrome (CFS), a condition marked by extended periods of debilitating fatigue. While there’s no definitive therapy established for CFS, our review of clinical trials reveals that magnesium treatment has shown promise, enhancing the well-being of some patients.

Other treatments like acyclovir have proven ineffective, and although intravenous immunoglobulin therapy shows potential, its results remain debated. We recognize that restoring immune function may be a piece of the puzzle, but overall, the effectiveness of magnesium for treating CFS symptoms is yet to be firmly established.
Read More
4
Limited magnesium effectiveness in CFS
We systematically reviewed randomized controlled trials on complementary and alternative medicine (CAM) treatments for chronic fatigue syndrome (CFS).

Although 26 studies involving over 3,000 participants explored various therapies, the findings showed limited effectiveness overall.

While some treatments like massage and specific dietary supplements had some positive effects, most failed to provide significant benefits.

Notably, magnesium showed potential, but due to small sample sizes and biases in the studies, we can't make firm conclusions just yet. More rigorous studies are needed to confirm these effects.
Read More

User Reviews

USERS' SCORE
Good
Based on 36 Reviews
8
  • All Reviews
  • Positive Reviews
  • Negative Reviews
9
Increased energy levels
90 people found this helpful
I've taken this vitamin for a few months, and it has significantly changed my life. I've noticed enhanced strength, improved mood, and reduced fatigue, which has boosted my energy levels substantially.
Read More
9
Regulated bowel movements
11 people found this helpful
The supplement helped my wife, who has Irritable Bowel Syndrome and chronic fatigue syndrome. After years of struggling with constipation, this has significantly improved her bowel movements to twice daily. The magnesium complex is high quality and easy to ingest.
Read More
7.5
Reduced frustration
1 people found this helpful
I take magnesium daily to manage stress and prevent constipation. Adjusting my intake has kept my stomach comfortable, which lessens irritation. I believe magnesium is essential, as stress can harm mental well-being. Though I prefer subcutaneous absorption, this oral form works for me and I plan to continue using it to support my health.
Read More
9
Less nervousness
These magnesium capsules have positively impacted my health—reducing fatigue and nervousness, while enhancing the quality of my sleep. This supplement is now a vital part of my daily routine.
Read More
9
Reduced chronic fatigue
Magnesium is essential for proper heart function and optimal blood pressure. It improves mood, alleviates insomnia, and combats chronic fatigue. It relaxes blood vessels, promotes healthy blood flow, and offers various health benefits including reducing joint pain and stress resistance.
Read More

Frequently Asked Questions

9
Increased vitality
19 people found this helpful
Magnesium energises me; my days are filled with vitality, activity, and enthusiasm. I maintain a clean home without feeling lazy or lethargic, and I experience no fatigue. I will always purchase from this reliable brand.
9
Increased energy levels
90 people found this helpful
I've taken this vitamin for a few months, and it has significantly changed my life. I've noticed enhanced strength, improved mood, and reduced fatigue, which has boosted my energy levels substantially.
7
Magnesium shows limited benefit for fatigue
We investigated how magnesium levels relate to chronic fatigue by studying 93 patients with unexplained fatigue.

Around 47% of participants showed magnesium deficiency, linked to reduced plasma antioxidant capacity.

Although magnesium supplementation didn't increase blood glutathione levels, we observed improved magnesium stores and vitamin E levels.

However, this did not equate to a significant boost in antioxidant activity or a decrease in lipid vulnerability. Therefore, while magnesium may help improve some parameters, it is not a panacea for chronic fatigue syndrome.
8
Magnesium potentially benefits CFS patients
We investigated the relationship between magnesium levels in red blood cells and chronic fatigue syndrome (CFS). A case-control study revealed that CFS patients had lower magnesium levels than healthy individuals.

In a randomized, double-blind trial, 32 CFS patients received either magnesium sulphate or a placebo for six weeks. Those treated with magnesium reported significant improvements in energy, emotional wellbeing, and pain relief, with twelve out of fifteen feeling better.

In contrast, only three out of seventeen patients on placebo reported any improvement. Overall, these findings suggest that magnesium treatment may positively impact the wellbeing of those suffering from CFS.
4
Limited magnesium effectiveness in CFS
We systematically reviewed randomized controlled trials on complementary and alternative medicine (CAM) treatments for chronic fatigue syndrome (CFS).

Although 26 studies involving over 3,000 participants explored various therapies, the findings showed limited effectiveness overall.

While some treatments like massage and specific dietary supplements had some positive effects, most failed to provide significant benefits.

Notably, magnesium showed potential, but due to small sample sizes and biases in the studies, we can't make firm conclusions just yet. More rigorous studies are needed to confirm these effects.
7
Magnesium shows promise for CFS
We explored the effects of magnesium on chronic fatigue syndrome (CFS), a condition marked by extended periods of debilitating fatigue. While there’s no definitive therapy established for CFS, our review of clinical trials reveals that magnesium treatment has shown promise, enhancing the well-being of some patients.

Other treatments like acyclovir have proven ineffective, and although intravenous immunoglobulin therapy shows potential, its results remain debated. We recognize that restoring immune function may be a piece of the puzzle, but overall, the effectiveness of magnesium for treating CFS symptoms is yet to be firmly established.

References

  1. Alraek T, Lee MS, Choi TY, Cao H, Liu J. Complementary and alternative medicine for patients with chronic fatigue syndrome: a systematic review. BMC Complement Altern Med. 2011;11:87. 10.1186/1472-6882-11-87
  2. Manuel y Keenoy B, Moorkens G, Vertommen J, Noe M, Nève J, et al. Magnesium status and parameters of the oxidant-antioxidant balance in patients with chronic fatigue: effects of supplementation with magnesium. J Am Coll Nutr. 2000;19:374. PubMed
  3. Takahashi H, Imai K, Katanuma A, Sugaya T, Hisano K, et al. [A case of chronic fatigue syndrome who showed a beneficial effect by intravenous administration of magnesium sulphate]. Arerugi. 1992;41:1605. PubMed
  4. Uchida A. [Therapy of chronic fatigue syndrome]. Nihon Rinsho. 1992;50:2679. PubMed
  5. Cox IM, Campbell MJ, Dowson D. Red blood cell magnesium and chronic fatigue syndrome. Lancet. 1991;337:757. PubMed
Data last updated:
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