In some cases, the amount you need might exceed the capacity of your syringe, making it difficult, or even impossible, to measure and inject the right dose accurately
However, even if you eat enough to get the recommended dose (2.4 micrograms in people 14 and older), older adults and people with gastrointestinal issues may have problems absorbing it properly
Your job is to follow the course as written and to reassess at the check-in points rather than judging success by how any single day feels
Lee E, Walker C, Ayadi B Effect of BPC-157 on Symptoms in Patients with Interstitial Cystitis: A Pilot Study
However, if you are having long term struggles with absorbing B vitamins, then an injection could be a good last resort option