depression and irritability:

may lack vitamin B1. It can strengthen the body’s immune system, improve the body’s pressure resistance, and help carbohydrates produce energy. Vitamin B1 deficiency can lead to fatigue, depression and irritability. It can also lead to beriberi.

glossitis:

may lack vitamin B2. It is involved in energy and fat metabolism and helps to maintain mucosal health. Vitamin B2 deficiency can lead to tongue inflammation, eyelid edema, hair loss and rash.

bad skin:

may lack vitamin B3. It helps maintain good skin health and normal function of the nervous and digestive systems. Vitamin B3 deficiency can cause pellagra.

loss of appetite:

may lack vitamin B5. It is involved in erythropoiesis and supports the production of adrenaline. Vitamin B5 deficiency can lead to anorexia, constipation, vomiting and other symptoms.

insomnia:

may lack vitamin B6. It contributes to brain development. Excessive drinkers are prone to lack, insomnia, irritability and dermatitis.

looks bad:

may lack vitamin B7, also known as biotin. It contributes to the production of fatty acids and energy from carbohydrates. Lack of energy can lead to pale or gray skin, sore mouth and tongue, hair loss and weakness.

pregnancy fatigue:

may lack folic acid. Folic acid contributes to the production of red blood cells and the development of the fetus and nervous system. Therefore, pregnant women should consult their doctors and take it regularly. Folate deficiency can lead to weight loss and fatigue.

anemia:

may lack vitamin B12. It helps to maintain the stability of nerve cells and red blood cells in the process of energy production. Vitamin B12 deficiency can cause fatigue, fatigue, loss of appetite, weight loss and anemia.