Acidifying the urine “naturally”, but what are you actually steering?

When struvite is found in a dog, owners often start looking for a “natural” solution themselves.

Apple cider vinegar
Cranberry juice
Vitamin C

Understandable: something natural feels accessible and safe. And since struvite forms more easily in alkaline urine, giving something acidic sounds logical.

But without knowing what such a remedy actually does to the urine, treatment quickly turns into experimenting.

Cranberry, apple cider vinegar and vitamin C are often mentioned on forums as natural urinary acidifiers, supposedly far better and healthier than all those chemically manufactured diets veterinarians sell. Yet these are substances that do not reliably acidify urine and are not automatically harmless either.

Take apple cider vinegar.

Apple cider vinegar is itself a substance with a low pH. But the pH of a substance says nothing about what it does to urinary pH after digestion and metabolism.

And with apple cider vinegar there is an unintended catch. Apple cider vinegar contains acetate, which after metabolism in the body can contribute to the formation of bicarbonate. Based on its chemical composition, apple cider vinegar therefore theoretically has a mildly alkalinising (urinary pH raising) rather than an acidifying potential, even though the vinegar itself is acidic.

The other popular options call for nuance as well.

Cranberry is mainly of interest in urinary tract infections, because of a possible effect on the adhesion of certain bacteria to the bladder wall, but it is not a reliable urinary acidifier. And vitamin C can be converted into oxalate, reason enough not to experiment with it uncontrolled in a patient with urinary tract problems.

“Natural” is therefore not a synonym for safe, effective or appropriate.

Sometimes such a home remedy changes nothing.
Sometimes it leads to the formation of substances that can have other adverse effects.
And sometimes it steers the urine in exactly the wrong direction.

With urinary tract problems you should not simply try to bring the pH down. You first need to know what is being formed, why that is happening and what outcome your therapy is meant to achieve.

Only then can you adjust in a controlled way.

#VeterinaryNutrition #Struvite #UrinaryTract #Veterinarian #VeterinaryNurse #FeedWise