It should. I've known a few people that inhaled Nitrous recreationally (which is known for depleting B12 very rapidly); it was a common side effect (other than

It should. I've known a few people that inhaled Nitrous recreationally (which is known for depleting B12 very rapidly); it was a common side effect (other than it being an anxiolytic) that you would lose sensation in your outer extremities. People that do too much can do serious damage to the body, similar to the symptoms listed by the OP and the root commenter.