What you eat today shapes how you feel tomorrow. Long workdays use a lot of energy, and a balanced diet helps you stay active and focused. The goal is not just eating more food but eating nutrient-rich food. Here are the essential vitamins and minerals your body needs, what each one does, and where to find it. Calcium Calcium helps build and maintain strong bones and teeth. Getting enough in your adult years supports bone health as you age. Most adults need about 1,000 mg a day. Good sources include milk, yogurt, cheese, fortified plant milks and cereals, canned fish with soft bones (like sardines), and leafy greens such as kale. Supplements can help some people, but food is the best place to start, so ask your doctor before taking them. Omega-3 Fatty Acids Omega-3 is a type of healthy fat, not a mineral. It plays a role in brain and heart health. Fatty fish such as salmon, sardines, and trout are top sources. Plant sources include flaxseed, chia seeds, and walnuts. Vitamin E Vita...