Why you probably need more Magnesium

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Magnesium is an essential mineral involved in bone mineralisation, normal muscular contraction, maintenance of heart muscle and nerve impulse transmission.

Why you may need magnesium

High blood pressure (hypertension) – evidence indicates that magnesium reduces blood pressure.

Diabetes – magnesium assists in glucose transport. Low magnesium levels have been reported in people with diabetes mellitus.

Premenstrual syndrome – reduced magnesium levels have been reported in women affected by premenstrual syndrome. There is some evidence that magnesium supplementation can improve symptoms including mood changes, cramping, and fluid retention.

Migraine – magnesium is shown to be effective in reducing the frequency and duration of migraines.

Osteoporosis – magnesium is a constituent of bone and supplementation has been shown to increase bone density in individuals with osteoporosis.

Fibromyalgia – can help to decrease fibromyalgia-related pain and tenderness.

Kidney stones – magnesium can help to prevent the recurrence of kidney stones. Magnesium in combination with vitamin B6 also seems to decrease urinary oxalate levels in people with hyperoxaluria (high urinary oxalate) who have previously had kidney stones.

Attention deficit-hyperactivity disorder (ADHD) – reduced magnesium levels have been reported in children with ADHD.

Multiple sclerosis (MS) – evidence suggests that magnesium may reduce limb weakness associated with MS.

Restless leg syndrome – magnesium may decrease the amount of movement.

How much to use

Recommended Daily intake (RDI)
Adults over 19 years: 320mg (women), 420mg (men) daily
Pregnancy 19-30 years: 350mg daily
Pregnancy 31-50 years: 360mg daily
Breastfeeding 19-30 years: 310mg daily
Breastfeeding 31-50 years: 320mg daily
Children 9-13 years: 240mg daily
Children 14-18 years: 360mg (girls), 410mg (boys) daily

Symptoms of deficiency

Deficiency symptoms of magnesium include muscle spasm and cramps, bizarre muscle movements or twitches such as eye and face muscles, muscle weakness, chronic pain, insomnia, anxiety, irritability, lethargy, convulsions, anorexia, nausea, vomiting, abdominal pain, kidney stones, cardiac arrhythmias, tachycardia.

Food sources

The best dietary sources include green leafy vegetables, almonds, and other nuts, brewer’s yeast, wholegrain cereals, dairy and dark chocolate.

Other reasons why you may need more

Factors that may increase your demand for more magnesium include alcoholism, diabetes, malabsorption syndromes, impaired parathyroid hormone, activity, excessive coffee, fat and sugar intake, diarrhea, chronic fatigue syndrome, athletes, excessive sweating, stress, pregnancy, and lactation.

Safety notes

  • Magnesium is generally well tolerated. Side effects that have been reported include nausea, vomiting, and diarrhea.
  • If you have reduced kidney function magnesium may increase the risk of hypermagnesemia. Consult your healthcare professional before supplementing with magnesium.
  • If you have diabetes or hypertension, consult your healthcare professional before supplementing with magnesium.
©2014 Go Vita. Information presented is for information purposes only and is not intended to replace advice or treatment from qualified healthcare professionals. The information is not intended to treat or diagnose. Always consult your healthcare professional before taking nutritional or herbal supplements. If you are pregnant, breastfeeding, have any allergies or diagnosed conditions, always consult your healthcare professional before taking nutritional or herbal supplements.
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