Cryptopyrroluria (KPU) — a debated topic
KPU is a term widely discussed in practice for a presumed metabolic/detoxification disorder, but it is NOT recognised in established veterinary medicine as a distinct, scientifically proven disease. Robust studies are lacking; the attributed symptoms are non-specific and can have many other causes.
Priority · vet & management
Since KPU is not recognised scientifically as a distinct disease and the urine tests are disputed, the attributed symptoms belong in conventional differential diagnosis (e.g. PPID/ACTH, dental, gut, liver and mineral status) rather than a KPU diagnosis. Beware of lengthy, expensive KPU cures without veterinary clarification.
Possible causes
- · liver/detox strain and nutrient deficiencies are postulated — not scientifically proven
- · note: a causal KPU mechanism has not been demonstrated
Supportive compounds · supplementary feed, not medication
Milk thistle
AMGFEI freetraditional liver support — no evidence for a KPU-specific effect
Compound profile →Zinc
AMGFEI freecofactor in skin/metabolism — only with proven need, no KPU proof
Compound profile →Nettle
AMGFEI freetraditionally metabolism-stimulating (adjunctive, non-specific)
Compound profile →Prevention
Instead of relying on a disputed KPU diagnosis, demand-appropriate feeding with a balanced mineral status and regular veterinary health checks help.
Equiterna's take
Equiterna deliberately treats KPU as a topic of discussion and not as an established diagnosis — with symptoms, veterinary differential diagnosis comes before any KPU regimen.
Usage note
This content is for information and education. It does not replace veterinary diagnosis or treatment. If your horse shows signs of illness, consult a veterinarian.
Equiterna is an intermediary platform for equine knowledge, marketplace and tools — not a veterinary-medicines dealer, veterinary practice or pharmacy. Compound information is study-attributed and free of healing claims. Legal framework: Regulation (EU) 2019/6 / TAMG (DE/AT), Feed Regulation (EC) 767/2009, FEI Prohibited Substances List, HWG.