Yes, they might work, in the same way that turning off the water works when the pipe under the sink is leaking
No research shows BPC-157 causes cancer
86 patients were treated with erlotinib and 87 with standard chemotherapy
Risks and Side Effects While generally safe, vitamin B12 injections can have side effects or risks, such as: Mild pain, swelling, or redness at the injection site Dizziness, headache, or nausea Allergic reactions (rare) Hypokalemia (low potassium levels) in individuals with severe deficiency undergoing treatment People with allergies to cobalt or who have Lebers disease should avoid B12 injections unless specifically advised by a doctor
OtolaryngologyHead and Neck Surgery 158 (3), 511519 (2018)
Hydroxocobalamin or Cyanocobalamin Both correct deficiency, but UK practice favours hydroxocobalamin, and for a good reason