BodyRhythm1 How Calcium and Magnesium Work Together to Support Muscle and Nerve Health Your body moves best when minerals are in sync.Calcium gives strength, magnesium brings calm —together they help you feel steady and energized all day. You stretch, but the tension doesn’t fade.Your legs cramp at night, or your hands twitch for no reason.Even after rest, the body feels both tired and tense.These are classic signs that the minerals controlling muscle function —calcium and magnesi.. 2025. 12. 8. Previous 1 Next