When the stomach empties slower than usual, it can lead to an uncomfortable gas buildup
You mentioned gut, and I think its probably worth noting that, you know, the largest concentration of diamine oxidase is in the lining of the gut, meaning if you have any digestive issues, gastrointestinal inflammation, you immediately lose that, you know, frontline histamine-metabolizing layer, which also then leaves you more vulnerable to reactions to dietary histamines, because its DAO that would normally take care of those for you
Literature shows that vitamin C is quite vital in periodontitis treatment through erasing oxygen free radicals and improving cellular oxidative status, thereby reducing inflammation and damage to periodontal tissues ( Vitamin E, on the other hand, acts mainly on lipid layers, stabilizing cell membrane structures and preventing lipid peroxidation damage
If you do inject insulin into your muscles, it'll be used up much more quickly and potentially cause bruising