What is it?

Magnesium is an important mineral needed by the body.

What does it do?

  • Magnesium is involved in the regulation of calcium metabolism so it is important for healthy teeth and bones.
  • Acts as a cofactor in several enzymes.
  • Important for muscle health as it works as a muscle relaxant, this has important implications for the heart muscle, gut function and in treating muscle cramps especially associated with PMS.
  • Involved in nerve impulse transmission
  • Important in energy metabolism

Deficiency Symptoms

  • Muscle tremors or spasms, muscle weakness
  • Insomnia
  • Anxiety, tension
  • High blood pressure, irregular heartbeat
  • PMS


Works with other minerals including potassium and calcium, vitamin B6 and D.

Absorption may be blocked by naturally occurring substances called oxalates (spinach, rhubarb) and phytates (wheatbran), high protein diets and large quantities of calcium from dairy products in the diet.

Recommended Daily Amount (RDA)

Children 170mg
Adults 300mg

Therapeutic amounts are generally considered to be higher than RDAs. However very high doses should be considered in conjunction with a healthcare practitioner.

Food Sources

Wholefoods are rich sources of magnesium. Wholegrains, tofu, soybeans, nuts and seeds, pulses and green leafy vegetables.

Safety Considerations

No toxicity under 1000mg per day


Please note that products, product info and all other info on this site (including multimedia content & links) are not intended for treating or diagnosing specific medical conditions. If you are unwell, pregnant, or on medication, please consult a doctor before starting supplements. Do not exceed recommended dosages and please keep all supplements out of the reach and sight of children.