Magnesia Phosphorica, or Mag Phos, is a homeopathic remedy and tissue salt prepared from magnesium phosphate. In homeopathic practice it is traditionally associated with cramping, spasmodic, radiating pains that are eased by warmth and firm pressure, from menstrual cramps to colic and neuralgic twinges.
This page covers the source of Magnesia Phosphorica, its classic homeopathic indications, the characteristic picture homeopaths recognise, and its usual forms and potencies.
The short version: Magnesia Phosphorica is the classic homeopathic remedy for cramping, radiating pains relieved by warmth and pressure.
What is Magnesia Phosphorica and where does it come from?
Magnesia Phosphorica is prepared from magnesium phosphate, a mineral salt. It is one of the twelve classic tissue salts (Schuessler salts) as well as a homeopathic remedy, and is potentised through staged dilution into a gentle preparation. Because it is both a tissue salt and a homeopathic remedy, it appears widely in home kits and everyday self-care ranges, which is part of why it is so well known.
What is Magnesia Phosphorica traditionally used for in homeopathy?
The keynote of Mag Phos is cramping pain that loves warmth. Traditional homeopathic associations include:
- Cramping, spasmodic pains that come and go quickly.
- Menstrual cramps that are eased by warmth and bending double.
- Colicky abdominal pain relieved by firm pressure.
- Neuralgic, radiating twinges, often shooting along a nerve.
- Symptoms clearly better for heat and worse for cold and touch.
Who typically reaches for Magnesia Phosphorica?
The Mag Phos picture is one of sudden, sharp, cramping pain that darts about and is dramatically relieved by warmth, rubbing and pressure. There is often a sensitive, tired, run-down quality to the person. Because it eases so readily with heat, a hot water bottle over the sore spot is a classic comfort in this state. You can explore the wider range of remedies and tissue salts in our full collection.
What forms and potencies does it come in?
Magnesia Phosphorica is commonly used in low potencies such as 6C or 30C, and also in the 6X tissue-salt strength, usually as small tablets that dissolve easily. Higher potencies are generally chosen with guidance from an experienced homeopath.
Common questions
What is Magnesia Phosphorica used for?
Traditionally it is associated with cramping, spasmodic, radiating pains that ease with warmth and pressure, including menstrual cramps and colic. It is used within self-care and is not a treatment for any diagnosed condition.
Is Magnesia Phosphorica a tissue salt?
Yes. It is one of the twelve classic Schuessler tissue salts and is also used as a homeopathic remedy, commonly in the 6X or 6C strength.
Which potency is typical?
Low potencies such as 6C, or the 6X tissue-salt strength, are the most common for general self-care. Recurrent or severe pain should be reviewed by a qualified professional.
Note: This page is for general education and is not medical advice. Homeopathic remedies are used within a tradition of self-care and are not a substitute for professional diagnosis or treatment. If symptoms are severe, persistent or worsening, please speak to a qualified health professional, and seek urgent care for any serious or emergency symptoms.