Most preclinical BPC-157 research has used injectable delivery methods in animal subjects
Another thing to consider is how much body fat your needle will have to pass through
Intramuscular injections are touted as being easier to administer than intravenous, partly because of the easy access of the thigh muscles
1 It is important to consume enough vitamin B12 in your diet, as a deficiency can cause a variety of symptoms, including fatigue, weakness, cognitive and neurologic dysfunction, and anemia
Your provider will determine whether home administration is appropriate for your situation and provide thorough training.
NAD+ is the exception its sting is acidity-driven, so NaCl helps only the osmotic part and buffering the pH helps more. How does injection site affect repair-peptide distribution, and does proximity to an injury matter