RDW

How much your red blood cells vary in size.

If it's high

Wider variation can be an early sign of low iron, B12 or folate.

• Iron-rich foods: spinach and other greens, lentils, rajma, chana, soya, eggs, fish or lean meat
• Vitamin C with meals (amla, guava, orange, lemon) to help absorb iron
• B12: milk, curd, paneer, eggs, fish, chicken; fortified cereals if vegetarian

If it's low

Low values are rarely a concern.

A question for your doctor

Could an early nutrient deficiency explain this?

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