Anyone who eats well yet still struggles with low energy, weak immunity, or borderline deficiencies may find this guide useful. It is especially relevant for Indian households, vegetarians, women, growing teens, caregivers, and elders who rely on traditional meals and home cooking. Many people consume iron- and calcium-rich foods regularly but unknowingly combine them in ways that limit absorption. By learning simple ideas like mineral pathways, timing meals, reducing antinutrients, and making small swaps within familiar dishes, readers can get more nourishment from the same food. The approach is practical, respectful of culture, budget-friendly, and designed to reduce unnecessary dependence on supplements and support long-term dietary confidence.