as angina, can indicate an oxygen deficiency. This problem can be alleviated by a diet rich in electrolytes and vitamins E and B.
5. Heavy legs
Climbing stairs or walking on a slight incline can become difficult if your legs are lacking oxygen. This symptom, often linked to vitamin C and E deficiencies, also reflects a lack of heart function.
6. Brittle nails
Pale, brittle nails or nails marked with deep vertical lines can indicate anemia. An iron deficiency or a lack of hemoglobin reduces oxygen transport to the extremities,
