Many people actively try to curb or reduce their appetites. For others however, the lack of a healthy appetite may lead to lethargy, malnutrition and overall poor health. In some cases, a poor appetite is a sign of vitamin deficiency. According to the American Cancer Society, a deficiency in B vitamins, in particular, may lead to anemia and loss of appetite. Other vitamins also play a role in the appetite. However, vitamins are not medically proven to improve appetite. If you notice that your appetite is significantly decreased, talk to your doctor to rule out serious causative conditions.
Vitamin B-9
Also known as folate or folic acid, vitamin B-9 plays helps generate and maintain DNA, and is also crucial in red blood cell production. According to Hepatitis.org, B-9 also bolsters appetite and is involved in the production of digestive acids. The vitamin can be found in beans, legumes, citrus fruits, dark leafy greens and liver. Folic acid supplementation is especially recommended for pregnant women and those who plan to become pregnant, as it can reduce the risk of birth defects.
Vitamin B-1
Vitamin B-1 is also known as thiamine. This vitamin plays a key role in the breakdown of dietary carbohydrates. According to the Mayo Clinic, deficiencies in vitamin B-1 can lead to a condition called beriberi, which is characterized by a lack of appetite, constipation, muscle weakness and tingling in the arms or legs. Although claims have been made that B-1 can increase appetite, these claims have not been scientifically proven.
Zinc
Zinc plays a role in your sense of taste and smell, according to the University of Maryland Medical Center. Therefore a deficiency in zinc may lead to decreased appetite, diminished sense of taste and smell, and weight loss. Although mild zinc deficiencies may be common, most people get the majority of their nutritional requirements for zinc through diet. Zinc deficiency is more common among the elderly.
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