There is one risk that has nothing to do with the needle
Can I combine B12 and Biotin injections
Based on a review of your health history, bloodwork, symptoms, and injection response, we may recommend: Increasing your dosage at each shot
Thats why the FDAs own technical staff has recommended against expanded access, and the public health group Partnership for Safe Medicines calls them "popular, unproven, dangerous. As Peter Kolchinsky, managing partner of biotech investor RA Capital Management, puts it: Is the FDA going to stand on science or is it going to permit all kinds of snake oil to be readily available? The FDA meeting will last two days
Flaws but not dealbreakers As a general rule with these kits, youre buying directly from the manufacturer