What are the earliest signs that may indicate nutritional deficiencies?

Earliest signs of nutritional deficiencies

1. Vitamin A deficiency

#1 sign: Difficulty seeing in the dark

2. Vitamin B1 deficiency

#1 sign: Nervous tension

3. Vitamin C deficiency

#1 sign: Swollen or red gums with slight bleeding

4. Vitamin D deficiency

#1 sign: Bone pain

5. Vitamin E deficiency

#1 sign: Muscle weakness

6. Vitamin K1 deficiency

#1 sign: Excessive bruising

7. Vitamin K2 deficiency

#1 sign: Tartar buildup

8. Calcium deficiency

#1 sign: Chronic cough

9. Iodine deficiency

#1 sign: Breast tenderness

10. Sodium deficiency

#1 sign: Overall weakness

11. Magnesium deficiency

#1 sign: Loss of energy

12. Potassium deficiency

#1 sign: Pounding in your ears when trying to sleep

13. Selenium deficiency

#1 sign: Brain fog

14. Zinc deficiency

#1 sign: Getting out of breath upon exertion