can you get too much vitamin b12 injection B-12 Injections Specialists in San Antonio, TX How Often Should You Get

B12 injections tend to be most useful for: Patients on GLP-1 medications (semaglutide, tirzepatide) who feel fatigue in early weeks Patients with low energy, brain fog, or mood symptoms Vegetarians or vegans (plant foods don't contain B12) Adults over 50 (B12 absorption drops with age) Patients who've had digestive surgeries (bariatric, gallbladder) that affect absorption They're generally safe B12 is water-soluble, so your body excretes what it doesn't use

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I was told that most people can get a reasonably large dose into their bloodstream through a sub-lingual tablet called No Shot only one in three people with B12 deficiency need injections

Injections go right into your bloodstream so your body absorbs the nutrients much better

Maintenance injections are generally taken once absorption from the previous dose begins to taper off, around 4-6 weeks later