Scientific evidence supports the use of magnesium to prevent and treat many common health complaints, including migraines, metabolic syndrome, diabetes, high cholesterol, asthma, premenstrual syndrome, pre-eclampsia, and various cardiac arrhythmias. Magnesium can also be used to prevent kidney stones and the formation of cataracts, as an adjuvant or treatment for depression, and as a treatment option for many other health-related disorders (Gerry K. Schwalfenberg 2017).
Clinical signs and symptoms of magnesium deficiency.
(i) There are usually no clinical signs (chronic latent intracellular deficit)
(ii) Neuromuscular symptoms: weakness, tremors, and difficulty swallowing
(iii) Cardiac symptoms: arrhythmias and ECG irregularities
(iv) Central nervous system symptoms: depression, agitation, psychosis, and convulsions
Clinical signs and symptoms of too much magnesium: laxative effects, diarrhoea.
Recommended dietary allowances (RDA) for magnesium in mg [USA 1997].
(i) There are usually no clinical signs (chronic latent intracellular deficit)
(ii) Neuromuscular symptoms: weakness, tremors, and difficulty swallowing
(iii) Cardiac symptoms: arrhythmias and ECG irregularities
(iv) Central nervous system symptoms: depression, agitation, psychosis, and convulsions
Clinical signs and symptoms of too much magnesium: laxative effects, diarrhoea.
Recommended dietary allowances (RDA) for magnesium in mg [USA 1997].
| Age | Male | Female | Pregnancy | Lactation |
|---|---|---|---|---|
| Birth: 6 months | 30 | 30 | ||
| 7–12 months | 75 | 75 | ||
| 1–3 years | 80 | 30 | ||
| 4–8 years | 130 | 130 | ||
| 9–13 years | 240 | 240 | ||
| 14–18 years | 410 | 360 | 400 | 360 |
| 19–30 years | 400 | 310 | 350 | 310 |
| 31–50 | 420 | 310 | 360 | 320 |
| 51+ | 420 | 320 |
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