Pyroluria/Pyrrole Disorders/Kryptopyrrole Syndrome

Pyroluria or any of the other names for this condition, simply means people who do not geneticaly metabolise certain nutrients, mainly zinc and B6, very well. This is then linked to mental health issues, allergies and more besides. 


Here, first, is some background information on it:


What are krytopyrroles?

These are related to a condition called ‘Pyroluria.’ Dr Pfeiffer, during research on schizophrenia in the 50s, found that many people with mental health problems are abnormally deficient in vitamin B6 and zinc which cannot be corrected simply by eating more in food. These people tend to produce more of a body chemical called ‘pyrroles’ which can be tested using a urine test where if there are too many kryptopyrroles present, the urine will turn mauve. 

 What if I have too many?

The symptoms often start in teenage years after a particularly stressful event such as exams, a virus or bad relationship. Sufferers can become socially withdrawn and a bit reclusive. Often, people have poor immune systems and suffer frequent ear infections as a child and colds as adults. Other symptoms include fatigue, nervous exhaustion, insomnia, poor memory, seizures, poor learning ability, confusion, depression and mood swings, period problems, problems with undescended testicles, have cold feet and hands, a poor tolerance of alcohol and can wake feeling nauseous and abdominal pain. Often they can’t remember dreams very well, have pale skin, white spots on nails and skin problems – in fact, any symptom related to zinc or B6 deficiency. Not all the symptoms will be present, but there may be a few.

In severe cases, sufferers are often diagnosed as schizophrenics, paranoid schizophrenics or with personality disorders. They lose their sense of reality, can’t sleep and suffer severe depression.

 Some of this sounds a bit like me – what do I do?

The correct levels of B6 and Zinc, with absorptive support, can most often rapidly solve the high pyrroles problem.


If you can tick more than 6 of these, it is worth getting tested:

 Stress, mood swings, paranoia, mental confusion or depression

Symptoms started in teenage or after a stressful event

Reclusive or socially withdrawn

Weak immune system – frequent ear infections as a child, frequent infections or colds


Nervous exhaustion


Poor memory


Poor learning ability

Inability to focus clearly sometimes

Irregular periods

Bad breath

Strange body odour

Poor tolerance of alcohol, drugs or meds

Wake feeling nauseous

Cold hands and feet

Abdominal pains

Can’t recall dreams

Pale skin, white marks on nails

Poor hair growth or loss of hair or hair colour

Skin problems (acne/eczema etc)

Kryptopyyrole Test


There is an excellent article written in NeuroPsychotherapist here so do read that. It's written for therapists really but is not too technical. 

Pyroluria Treatment

If you find your pyrrole levels are high, it basically means you need extra B6 P5P (B6 in the active form) and zinc. The levels do vary quite a bit and you have to find the right dosage so it is best to work with someone preferably.


Patrick Holford's books on mental health are quite good for ideas as is Julia Ross's Mood Cure.


Active B6: you'll probably need more than one, but build up according to any guidelines given to you. Here is an example.


Zinc: 1 a day of eg. this zinc is probably about right but you could need more. Bear in mind that zinc over about 30mg a day for more than 3 months can depress copper so, if on it for longer, swap to a zinc and copper combined product.


Be led by your health professional but hope that starts you off!

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The information given is not meant to be a substitute for seeing a health professional. It is our opinion only, based on several years of natural medicine practice and research. We're sure you'll find it useful, but please use it wisely and always exercise common sense.

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