# 6 Sneaky Signs of Calcium Deficiency Doctors Say You Should Know
Calcium deficiency creeps into your body long before your bones start to crack. The mineral plays roles throughout your system that most people never consider.
Low calcium triggers muscle cramps and twitches before serious bone loss develops. Your muscles depend on calcium for proper contraction and relaxation. When levels drop, your legs may seize up at night or your eyelids may twitch involuntarily.
Tingling sensations in your fingers, toes, and lips often signal early deficiency. Calcium regulates nerve function. Without adequate amounts, nerves misfire and create that pins-and-needles feeling.
Your heart rhythm can become irregular when calcium runs low. The mineral helps coordinate electrical signals that control your heartbeat. Doctors note that palpitations or fluttering sensations warrant blood work to check calcium levels.
Brittle nails and hair loss happen because calcium supports keratin production. You might notice your nails chip easily or your hair sheds more than usual during deficiency phases.
Fatigue and weakness often accompany low calcium, though people rarely connect the two. Your body struggles to produce energy efficiently without adequate mineral stores.
Dental problems develop when calcium gets depleted. Your teeth become more prone to decay and gum disease, since the mineral anchors tooth enamel and jawbone strength.
Most adults need 1,000 to 1,200 milligrams daily. Dairy products deliver concentrated amounts, but leafy greens, fortified plant milks, sardines with bones, and tahini also count. Absorption requires vitamin D, which your body synthesizes from sunlight exposure.
Get your calcium and vitamin D levels tested if you experience multiple symptoms. Young people often dismiss these signs as stress or temporary fatigue. Catching def