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Double-check the plunger position against your dose chart

Oral absorption in humans is unproven, but animal studies suggest possible systemic effects even with oral dosing6

You can change your diet to include vitamin B12-fortified grains, a supplement or B12 injections, or a high-dose oral vitamin B12 if you are deficient

Restriction in lateral bending range of motion, lumbar lordosis, and hamstring flexibility predicts the development of low back pain: a systematic review of prospective cohort studies
