the FDA has stated it lacks sufficient information to know whether the substance would cause harm when administered to humans Evidence snapshot: The evidence base is almost entirely preclinical, decades of animal (largely rat) studies, mostly from one Croatian research group (Sikiric et al., University of Zagreb), with a single small human trial under the brand name "Bepecin" (around 2015) that did not lead to any FDA-approved use
Small observational studies have reported modest weight loss, but these typically lack adequate controls for dietary modification, exercise, and placebo effects
While this makes the measurement on the syringe larger and easier to see, it also means you are injecting more liquid into the subcutaneous tissue, which some find slightly less comfortable
The problem is that B12 needs something called Intrinsic Factor, which your stomach produces, to be absorbed properly through your digestive system
It cannot be used as food, dietary supplement or medicine
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