why does the b12 injection hurt How Often Should You Have Injections? Why Do You Need B12

This side effect is well established, but it is often not recognized, according to a case report

This weakness can cause an inability to close one eye, drooling or excessive saliva, loss of taste sensation on part or all of the tongue, difficulty eating and drinking due to lack of feeling in the mouth area, pain around the jawline, ringing in one ear (tinnitus), or hearing loss

In addition, low levels of stomach acid and IF in older populations can make getting enough through diet tricky, which is why supplementation is typically recommended

No blend-level human data: there is no registered clinical trial of the KLOW blend, so its combined safety profile is not established in humans