Not only that but its estimated that up to 20% of the US population (11) has vitamin B12 deficiency
Efficacy of Different Routes of Vitamin B12 Supplementation for the Treatment of Patients with Vitamin B12 Deficiency: A Systematic Review and Network Meta-Analysis. Irish Journal of Medical Science, 17 Jan
Recalls & Warnings February 09, 2021 Three More Hand Sanitizers Contain Toxic Ingredient Between February 3 and 5, 2021, the FDA issued warning letters to three sellers of hand sanitizers because laboratory tests showed that their products contain methanol, which is toxic when absorbed through the skin or ingested
and (iii) full-cell testing protocols (electrolyte composition, mass loading range 15 mg/cm 2 , voltage window, and cycle life at defined current densities)
It is why adhering to the 72-hour time frame should strictly be followed