Harvard doctor shares 5 signs that indicate deficiencies

Dr Saurabh Sethi highlights signs of nutritional deficiencies such as brittle nails, twitching muscles, clicking joints, premature graying of hair, and easy bruising. These symptoms could suggest a lack of essential nutrients like protein, iron, magnesium, vitamin D3, calcium, vitamin B12, copper, vitamin C, and vitamin K1. A balanced diet can help address these deficiencies.

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