A 150-pound person requires nearly 2 oz. of protein per day. Needed for regular functions including producing hormones, creating red blood cells and enhancing immunity, a low amount of protein in your daily diet can have harmful effects on your body. Incorporating low-fat protein sources as part of your diet can help to ensure your good health.
Organ Malfunction
Low protein levels in the body can indicate insufficient organ function of the liver or kidneys. These organs are responsible for breaking down proteins into usable substances for the body, such as hormones. One example is the hormone albumin, which the liver produces. If a person does not have enough protein in the body, albumin cannot be made. This results in swelling, which can be an indicator the kidneys are malfunctioning, according to the National Kidney and Urologic Diseases Information Clearinghouse. When protein levels are low, you may also observe other impaired organ system side effects such as a rapid heartbeat, nausea or excessive thirst.
Impaired Immune Function
Proteins are needed to create antibodies, which are substances that fight off infection in the body. Without sufficient antibodies, you can experience increased incidences of colds, flus and other illnesses.
Malnutrition
Your body requires proteins to metabolize other nutrients in the body. The absence of protein affects the absorption of niacin, thiamine, riboflavin, B-6, iron, zinc and calcium. Over time, the withdrawal of these needed vitamins and mineral can cause dramatic weight loss, body swelling and poor organ performance. If the body is malnourished enough, death can occur.
Sarcopenia
When your body does not have enough protein, it begins to take proteins from other body structures, such as the muscles and bones, according to the United States Department of Agriculture. As a result, a person can experience a condition known as sarcopenia, or weakened muscle mass and bone strength.
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