Vitamin B3
Pellagra
Vitamin B5
Hypoglycemia
Vitamin B6
Anemia
Vitamin B7
Dermatitis
Vitamin B9
Megaloblastic anemia
Vitamin B12
Megaloblastic anemia
Vitamin C
Scurvy
Vitamin A
Night blindness, dry eyes, increased risk of infection
Vitamin D
Weak bones, skeletal deformities, muscle weakness
Vitamin E
Muscle weakness, vision problem, neurological symptoms
Vitamin K
Excessive bleeding, bruising, blood in urine or stool
Vitamin B1
Weakness loss of appetite, nerve damage, confusion
Vitamin B2
Cracks and sores around the mouth, swollen tongue, skin rashes
Vitamin B3
Dermatitis, diarrhea, dementia
Vitamin B5
Fatigue, irritability, numbness, tingling
Vitamin B6
Anemia , skin rashes, depression, confusion
Vitamin B7
Skin rashes, hair loss, neurological symptoms
Vitamin B9
Anemia, fatigue, weakness, shortness of breath
Vitamin B12
Anemia, fatigue, weakness, neurological symptoms
Vitamin C
Fatigue, weakness, joint pain, gum disease