Calcium supplements
cutting down on milk to avoid lactose also minus your daily calcium intake. Required daily intake (RDI) value is about 1000 mg/day for an average adult, women over 50 and children still require a greater amount. It is essential to take calcium supplements if you are on a milk-restricted diet to avoid complications of osteomalacia and osteoporosis in elderly women, poor bone development in children, low bone mass etc. These supplements are easily available over the counter.
Vit D supplements: similar to calcium, vitamin D supplements are required for effective bone development and maintenance of bone health.