Which vitamin can help with muscle relaxation?

Vitamin B12 is useful if you feel muscle weakness, and it can give relaxation in muscles. But more than a vitamin, a mineral plays a bigger role in muscle relaxation. Magnesium is important in the tissues and muscles of the human body. Magnesium is a mineral that relaxes your muscles after muscle contraction. Foods like almonds, pumpkin seeds, cashews, and peanuts are rich in magnesium.