A comprehensive laboratory package designed to assess nutritional status by measuring serum levels of essential vitamins and minerals. This includes measuring fat-soluble vitamins (vitamin D) and water-soluble vitamins (B12, folic acid), as well as essential minerals (zinc, calcium, magnesium, sodium, potassium, phosphorus) and iron stores (ferritin). A complete blood count (CBC) is also performed to evaluate the impact of these elements on red blood cell production.