Kali Phosphoricum is a homeopathic remedy and tissue salt prepared from potassium phosphate. In homeopathic practice it is traditionally associated with nervous exhaustion - mental and physical tiredness after stress, overwork or worry, with a jaded, depleted feeling.
This page explains the mineral source of Kali Phosphoricum, its classic homeopathic indications, the typical picture of who reaches for it, and its usual forms and potencies.
The short version: Kali Phos is the potassium-phosphate tissue salt, traditionally reached for during nervous exhaustion and burnout.
What is Kali Phosphoricum and where does it come from?
Kali Phosphoricum is made from potassium phosphate, a mineral salt, and is one of the twelve classic biochemic tissue salts described by Dr Schuessler. For homeopathic use it is potentised through dilution and trituration, so it is used as a subtle remedy rather than a nutritional dose.
What is Kali Phosphoricum traditionally used for in homeopathy?
The Kali Phos picture is one of a depleted nervous system. It is classically associated with:
- Nervous exhaustion and burnout after prolonged stress or overwork.
- Mental fatigue, with poor concentration and a foggy, worn-out mind.
- Low mood and irritability that come with being run down.
- Tiredness worse for exertion and eased by rest and gentle activity.
- Nervous headaches from study or overwork in the traditional literature.
Who typically reaches for Kali Phosphoricum?
The characteristic Kali Phos person is emptied out - a student after exams, a carer running on fumes, someone frayed by months of pressure. There is weariness of mind and body, sensitivity and a wish to be left in peace. This picture of stress-related depletion is the signature that points homeopaths to it.
Your natural toolkit — and which to reach for
Kali Phosphoricum is a well-known tissue salt; you can explore how it is presented in our range.
Weleda Kalium Phosphoricum 30c (125 Tablets) — a homeopathic tissue-salt style preparation many keep on hand for run-down, stressful stretches.
Featured products
Weleda Kalium Phosphoricum 30c (125 Tablets)
A homeopathic tissue-salt style preparation kept on hand by many for run-down days.
Explore the full United Remedies range — blending homeopathy from Heel, Guna and Sanum with Weleda’s plant-based topicals and Zooki’s liposomal supplements.
Common questions
What is Kali Phosphoricum made from?
It is prepared from the mineral salt potassium phosphate, and is one of the twelve classic biochemic tissue salts.
What is Kali Phosphoricum traditionally used for?
It is classically associated with nervous exhaustion, mental fatigue and the depleted, run-down feeling that follows stress and overwork.
What potency is Kali Phos usually used in?
As a tissue salt it is often used in a low potency such as 6X, and also appears as 6C or 30C. A homeopath can advise on choice.
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.