Regular injections may also reduce the duration and severity of colds or other common illnesses, making them especially popular during flu season or times of high stress
As mentioned previously, mechanisms include changes in gastric/intestinal pH, gastric emptying time/intestinal transit time, surface area available for absorption, active transport mechanisms for absorption, and first-pass metabolism
[6:08 PM]source: BPC-157 Oral vs Injection: Benefits, Risks, and Efficacy When comparing the two routes, consider onset of action, safety, convenience, and cost
Many people are recommended to take vitamin B12 shots if they are deficient in B12 or if they have or are likely to develop pernicious anemia
You should seek advice if you are experiencing persistent fatigue, unexplained weakness, brain fog, tingling, numbness, or symptoms that are affecting daily life
Even if your lab values say you are normal, your body still may be needing more as lab accuracy for vitamin B12 is highly debated