Consuming ultra-spicy instant noodles (such as the Buldak brand) can cause severe abdominal pain and kidney stones due to their high salt and spice content.

noli's read

Regular consumption of this type of noodle can indeed promote the formation of painful crystals in the kidneys (stones), primarily due to their extreme sodium content. A large observational study published in the *Clinical Journal of the American Society of Nephrology* confirms that a high salt intake causes the body to excrete more calcium in the urine, which favors the creation of these crystals. Furthermore, the intense spiciness can cause digestive issues or excessive sweating, leading to rapid dehydration, which is the primary triggering factor for an attack according to the guidelines of the American Urological Association (expert opinion). However, the idea that eating these noodles will systematically send you to the emergency room is highly exaggerated: it depends above all on your sensitivity, your genetics, and your overall level of hydration. There is no direct evidence or clinical study specifically incriminating this precise brand of noodles, but rather a body of evidence linked to ultra-processed meals. To enjoy them safely, simply consume these dishes occasionally and drink a large volume of water as an accompaniment.

the sources

No named source held this one up — that absence is part of the verdict.