Benefits of Magnesium 200 Tablets
Key Findings
Magnesium citrate supplementation has shown benefits in improving restless legs syndrome (RLS) symptoms and quality of life, with a significant reduction in International Restless Legs Syndrome Study Group Rating Scale scores (6.67 points) and improved Kohnen quality of life scores (8.5 points) in an open-label pilot study [1]. In patients with diabetic nephropathy, oral magnesium citrate supplementation significantly improved microalbuminuria, leading to a median percent reduction in urinary albumin to creatinine ratio (-6.87%) compared to controls (-0.9%) [2]. Magnesium citrate has demonstrated greater bioavailability and solubility compared to magnesium oxide, as evidenced by a significantly higher increment in urinary magnesium following a magnesium citrate load in healthy volunteers [3].
Introduction
Magnesium is an essential mineral involved in numerous physiological functions, including nerve impulse transmission, muscle contraction, cellular electrolyte homeostasis, and various enzymatic processes [4]. Magnesium citrate is a form of magnesium commonly used in supplements. This report discusses the benefits of 200mg magnesium citrate supplements for human health, based on available medical literature.
Neurological and Muscular Health
An open-label pilot study involving 12 treatment-naive adults with primary restless legs syndrome (RLS) found that daily administration of 200 mg magnesium citrate for 8 weeks significantly reduced International Restless Legs Syndrome Study Group Rating Scale scores (median reduction 6.67 points, P = .006) and improved Kohnen quality of life scores (median improvement 8.5 points, P = .014). The study also noted improvements in periodic limb movements during wakefulness index and self-reported discomfort scores during multiple suggested immobilization tests [1]. Another study in rats indicated that magnesium citrate selectively elevated hippocampal brain-derived neurotrophic factor (BDNF) levels, which correlated with improved spatial learning and memory [5]. For premenstrual syndrome (PMS), a clinical study involving 65 patients showed that magnesium citrate with vitamin B2 significantly decreased the frequency of symptoms such as anxiety, depression, resentment, tearfulness, and headache in women with PMS [6].
Cardiovascular and Metabolic Health
A prospective, randomized, controlled, open-label study with 60 diabetic nephropathy (DN) patients (26 in the magnesium citrate group and 28 in the control group completing the study) demonstrated that oral magnesium citrate supplementation (2.25 g/day for 12 weeks) significantly improved microalbuminuria, with a median percent reduction in urinary albumin to creatinine ratio of -6.87% in the magnesium citrate group versus -0.9% in the control group (p = 0.001). This supplementation also had favorable effects on estimated glomerular filtration rate, lipid profile, and quality of life [2]. In patients with metabolic syndrome, 400 mg magnesium citrate daily for 12 weeks significantly decreased systolic blood pressure (from 134.6 ± 6.8 to 126.3 ± 5.6 mmHg) and diastolic blood pressure (from 84.1 ± 3.9 to 79.4 ± 1.6 mmHg) and reduced interleukin-6 levels [7]. However, a randomized, double-blind, placebo-controlled trial involving 164 overweight and slightly obese participants (mean age 63.2 ± 6.8 years) found that 450 mg/day of magnesium citrate for 24 weeks did not significantly change arterial stiffness or blood pressure compared to placebo [8].
Other Health Benefits
Magnesium citrate has been investigated for other conditions. In a systematic review of 7 articles with a sample size of 2111 people, magnesium supplementation (including magnesium citrate) was found to reduce the incidence of preeclampsia in low-risk individuals with hypomagnesemia [9]. For kidney stone formers with idiopathic hyperoxaluria, a randomized clinical trial with 76 patients showed that 120 mg magnesium citrate three times per day significantly decreased 24-hour urine oxalate excretion (-16.99 ± 18.02) and calcium oxalate supersaturation index compared to placebo, especially in patients with normal urine magnesium levels [10]. A quasi-experimental clinical trial with 34 controlled and uncontrolled asthma patients indicated that 300 mg magnesium citrate for 42 days as an adjunct therapy could increase %PEFR (P=0.001), ACT score (P=0.011), and %FEV1 (P=0.071) [11]. Additionally, a pragmatic clinical trial with 65 chronic heart failure patients demonstrated that supplemental oral magnesium citrate (250mg daily) improved exercise tolerance, as shown by a significant difference in the 6-minute walk test variation (80.87 ± 15.24 m vs 58.28 ± 26.13m, p<0.05) [12].
Bioavailability
A study comparing magnesium oxide and magnesium citrate found that magnesium citrate was significantly more soluble and bioavailable. In healthy volunteers, the increment in urinary magnesium after a 25 mmol magnesium citrate load was significantly higher than that from magnesium oxide [3].
Conclusion
Magnesium citrate supplementation at doses around 200-450mg has shown a range of potential health benefits. It appears effective in improving symptoms of restless legs syndrome, reducing microalbuminuria in diabetic nephropathy patients, and decreasing oxalate excretion in kidney stone formers. There is also evidence suggesting its role in preeclampsia prevention for low-risk individuals with hypomagnesemia, improving exercise tolerance in chronic heart failure, and potentially aiding in asthma control. Magnesium citrate is noted for its superior solubility and bioavailability compared to other magnesium forms like magnesium oxide. While some studies, such as those on arterial stiffness, did not find significant effects, the overall evidence suggests that magnesium citrate can be a beneficial supplement for various conditions.
References:
1) S Gorantla et al. Magnesium citrate monotherapy improves restless legs syndrome symptoms and multiple suggested immobilization test scores in an open-label pilot study. Journal of clinical sleep medicine : JCSM : official publication of the American Academy of Sleep Medicine (2024). https://pubmed.ncbi.nlm.nih.gov/38738598/
2) N Halawa et al. Impact of magnesium supplementation on clinical outcome and disease progression of patients with diabetic nephropathy: a prospective randomized trial. Therapeutic advances in chronic disease (2023). https://pubmed.ncbi.nlm.nih.gov/38107482/
3) JS Lindberg et al. Magnesium bioavailability from magnesium citrate and magnesium oxide. Journal of the American College of Nutrition (1990). https://pubmed.ncbi.nlm.nih.gov/2407766/
4) Farmacotherapeutisch Kompas
5) B Koc et al. Chronic Organic Magnesium Supplementation Enhances Tissue-Specific Bioavailability and Functional Capacity in Rats: A Focus on Brain, Muscle, and Vascular Health. Biological trace element research (2025). https://pubmed.ncbi.nlm.nih.gov/40467961/
6) Lyudmila A. Ozolinya et al. The role of magnesium in the treatment of premenstrual syndrome. (2020). https://archivog.com/2313-8726/article/view/34786/
7) Klaus Kisters et al. MAGNESIUM SUPPLEMENTATION REDUCES INERLEUKIN-6 AND BLOOD PRESSURE IN METABOLIC SYNDROME. Journal of Hypertension (2024). http://dx.doi.org/10.1097/01.hjh.0001021780.03161.ac/
8) JC Schutten et al. Effects of Magnesium Citrate, Magnesium Oxide, and Magnesium Sulfate Supplementation on Arterial Stiffness: A Randomized, Double-Blind, Placebo-Controlled Intervention Trial. Journal of the American Heart Association (2022). https://pubmed.ncbi.nlm.nih.gov/35253448/
9) Fateme Bayat et al. The effect of magnesium supplementation on the prevention of preeclampsia: A systematic review study. DOAJ (DOAJ: Directory of Open Access Journals) (2021). https://doaj.org/article/50e585c4f14446cfb455e4bd46652385/
10) M Taheri et al. Effect of magnesium oxide or citrate supplements on metabolic risk factors in kidney stone formers with idiopathic hyperoxaluria: a randomized clinical trial. Magnesium research (2024). https://pubmed.ncbi.nlm.nih.gov/39077820/
11) Anang Purwoko Atmojo et al. The Effect of Magnesium Citrate on %FEV 1 , %PEFR, and Asthma Control Test Score in Patients with Controlled Asthma and Uncontrolled Asthma. Jurnal Respirologi Indonesia (2025). https://doi.org/10.36497/jri.v45i3.503/
12) J J Jara Valderrama et al. Oral magnesium citrate effect in exercise tolerance in chronic heart failure. European Journal of Preventive Cardiology (2025). https://doi.org/10.1093/eurjpc/zwaf236.037/