You also get histamine from food especially things like: Aged cheeses Wine and beer Cured or smoked meats Fermented foods (sauerkraut, soy sauce, kombucha) Tomatoes, spinach, avocados Leftovers (yes, really!) Normally, your body breaks down histamine using an enzyme called DAO (diamine oxidase)
Anyone pregnant or nursing, anyone with a hormone-sensitive condition, and anyone on prescription diabetes or metabolic drugs falls outside what the research covers
Vitamin B12, also known as cobalamin, is a water-soluble vitamin that plays a fundamental role in several critical physiological processes
Sterile saline (0.9% sodium chloride) is sometimes used, but it can cause certain peptides to aggregate or 'clump' over time, affecting solubility and potency