a trapdoor.
Why B12 protects the nerves diabetes keeps starving
Vitamin B12, especially methylcobalamin, protects the myelin sheath the way thick rubber insulation protects a live wire. When B12 runs low, the coating frays, and the nerves start throwing static instead of clean signals.
That is when the burning feet, tingling hands, numb toes, and strange buzzing sensations creep in. Picture an old extension cord with cracked plastic wrapping: the current still moves, but it sparks in all the wrong places.
And what it does next is why people feel
