Vitamin B12 is found in animal products you eat and drink such as meat, dairy and eggs
But perhaps for some of those peptides that actually need to make it to your gut and stay there as opposed to be systemically absorbed and delivered through your body, its okay that they are there. For musculoskeletal indications (tendons, ligaments, joints), the route is subcutaneous injection near the site of injury
With consistent supplementation and regular blood test monitoring as recommended by BOMSS and the NHS, deficiencies are largely preventable and manageable
Some people incorporate B12 into their regular wellness routine to maintain consistent benefits
[Pernicious anemia: masking of B12 vitamin deficiency by folic acid]
For small amounts of delicate drugs, a subcutaneous injection can be a useful, safe, and convenient method of getting a medication into your body