1.Cracks at the corners of the lips - B2, B3, B6, iron
2.Dandruff - zinc, B vitamins, omega-3
3.Frequent headaches - magnesium, B2
4.Fatigue - B12, vitamin D, iron
5.Weakness - B1, vitamin D, magnesium
6.Hair loss - biotin (B7), iron, vitamin D
7.Brittle nails - biotin (B7), zinc, iron
8.Dry skin - vitamins A, C, E, omega-3
9.Acne - vitamin A, zinc
10.Mood swings - vitamin D, B6, magnesium
11.Weak bones - vitamin D, calcium, vitamin K
12.Bleeding gums - vitamin C, vitamin K
13.Muscle cramps - magnesium, potassium
14.Frequent infections - vitamin C, vitamin D, zinc
15.Pale skin - iron, B12
16.Poor night vision - vitamin A, zinc
17.Memory problems - B12, omega-3
18.Slow wound healing - vitamin C, zinc, protein
19.Tingling or numbness - B12, B1, B6
Important: these symptoms do not diagnose a deficiency on their own. Blood tests are required.