
Alcohol use disorder (AUD) is a leading substance abuse issue that can cause serious long-term physical and psychological health issues. Alcohol abuse can cause vitamin and mineral deficiencies, which can have severe and permanent effects on brain function. Alcoholics are often deficient in B vitamins, such as thiamine, which is essential for neurobiological health. Other common deficiencies include vitamin A, C, D, E, K, calcium, magnesium, iron, and zinc. These deficiencies can lead to various health problems, including impaired cognitive function, depression, neurological damage, night blindness, softening of the bones, and a higher risk of infections. Alcohol abuse can also cause malnutrition, as it reduces appetite and interferes with the absorption and utilization of nutrients. Supplementation with specific vitamins and minerals can support liver recovery and help restore essential nutrients depleted by AUD.
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What You'll Learn
- Alcoholics are deficient in folate, which inhibits new cell production
- Alcoholics are deficient in vitamin A, increasing infection risk
- Alcoholics are deficient in calcium, magnesium, and zinc
- Alcoholics are deficient in vitamin B1 (thiamine), causing neurological issues
- Alcoholics are deficient in vitamin C, which can be supplemented

Alcoholics are deficient in folate, which inhibits new cell production
Alcohol use disorder (AUD) is the leading substance abuse issue in the United States, killing approximately 88,000 people each year. Excessive alcohol consumption can deprive the body of the vitamins and minerals it needs to function properly and develop fully.
Alcoholics are frequently deficient in folate, a type of B vitamin. Folate is essential for the production of new cells, especially in the rapidly dividing cells of the intestine and the blood. Alcohol abuse causes a folate deficiency that impairs digestive function. Folate deficiency can also lead to a type of anaemia characterised by large, immature red blood cells that do not function properly.
Alcohol interferes with the absorption, storage, metabolism, and activation of many vitamins, including folate. Ethanol, the type of alcohol found in alcoholic beverages, reduces the hydrolysis of polyglutamyl folate, which is necessary for DNA synthesis. It also inhibits the formation and release of 5-methyltetrahydrofolic acid, the principal circulating form of folate.
Folate deficiency can have serious health consequences, including an increased risk of cancer. Alcohol is broken down into acetaldehyde, which can build up in cells and damage DNA, increasing the risk of cancer. Additionally, folate deficiency can lead to neurological issues. Thiamine deficiency, for example, can cause Wernicke-Korsakoff syndrome, which results in confusion, memory loss, and loss of muscle coordination.
It is important to address vitamin deficiencies in alcoholics through proper nutrition and medical intervention. While the long-term effects of alcohol on the body can be severe, most of the damage is reversible with abstinence from alcohol.
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Alcoholics are deficient in vitamin A, increasing infection risk
Alcohol use disorder (AUD) is the leading substance abuse issue in the United States, killing approximately 88,000 people annually. Excessive alcohol consumption can deprive the body of the vitamins and minerals it needs to function properly and develop fully. One of the most common vitamin deficiencies found in alcoholics is a lack of vitamin A.
Vitamin A is essential for maintaining optimal physical and psychological health. It plays a crucial role in promoting healthy eyesight and a robust immune system. Deficiency in this vitamin can increase the risk of infections and impair vision. Alcohol directly interferes with the absorption, storage, metabolism, and activation of vitamin A, leading to a depletion in the body's reserves. This is further exacerbated by the fact that alcoholics tend to eat less, resulting in inadequate dietary intake of this vital nutrient.
The mechanism behind vitamin A deficiency in alcoholics is complex. Alcohol consumption enhances hepatic vitamin A degradation, leading to its depletion. Additionally, vitamin A deficiency in alcoholics may be secondary to zinc deficiency. Zinc is necessary for the absorption and utilisation of vitamin A. Thus, the reduced levels of zinc found in alcoholics contribute to their decreased vitamin A levels.
The alcohol detox process should address the physical consequences of prolonged and untreated problem drinking, including vitamin deficiencies. Comprehensive blood work is necessary to determine the patient's vitamin levels, and vitamin supplements may be required to restore adequate levels. Thiamine (vitamin B1) and vitamin C are two such supplements that have been found to be beneficial in this regard, with thiamine deficiency being linked to Wernicke-Korsakoff syndrome, a condition that can result from long-term alcohol abuse.
In summary, alcoholics are at a high risk of developing vitamin A deficiency due to the negative impact of alcohol on vitamin absorption and metabolism, as well as inadequate dietary intake. This deficiency increases their susceptibility to infections and can lead to vision problems. Addressing this deficiency through proper diagnosis and supplementation is an important aspect of the alcohol detox process, helping to mitigate the physical fallout of alcohol abuse.
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Alcoholics are deficient in calcium, magnesium, and zinc
Alcoholism can lead to deficiencies in several vitamins and minerals. Alcoholics are often deficient in calcium, magnesium, and zinc.
Calcium
Calcium is essential for maintaining strong bones, as well as for muscle and nerve functioning. Alcohol intake can impact the amount of calcium absorbed and stored in the bones. Heavy chronic alcohol intake can affect calcium levels in several ways. Firstly, a damaged liver does not produce the enzyme needed to convert vitamin D to its active form, and vitamin D is necessary for calcium absorption. Secondly, many heavy drinkers do not absorb fat well, and fat is necessary for calcium and vitamin D absorption.
Magnesium
Several studies have reported decreased serum magnesium concentrations in patients with chronic alcohol dependence and alcoholic liver disease (ALD). Magnesium plays an important role in cellular energy metabolism, DNA transcription, protein synthesis, and electrolyte balance. Magnesium deficiency has been associated with muscle cramps and weakness, glucose intolerance, and liver steatosis and steatohepatitis.
Zinc
Zinc is the second most prevalent trace element in the body. Alcoholics with or without liver disease often have inadequate dietary intake of zinc. Absorption of zinc is impaired in chronic alcoholics, and ethanol administration to rats decreased zinc absorption. Zinc supplementation has been shown to improve serum zinc concentrations in alcoholics with or without cirrhosis.
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Alcoholics are deficient in vitamin B1 (thiamine), causing neurological issues
Alcohol use disorder (AUD) is a leading substance abuse issue, killing approximately 88,000 people in the United States each year. Excessive alcohol consumption can deprive the body of essential vitamins and minerals, leading to malnutrition and specific nutrient deficiencies. Alcoholics tend to eat less, and when they do, poor dietary choices and a lack of nutrition rob their bodies of essential vitamins.
One of the most common and serious types of alcohol-related vitamin deficiency is a lack of B vitamins, particularly thiamine (vitamin B1). Thiamine is an essential nutrient required by all tissues, including the brain. It is used by the body to convert food into energy, taking fats, proteins, and carbohydrates and using them to fuel functions of the heart, nerves, and brain. Up to 80% of people with an addiction to alcohol develop thiamine deficiency.
Heavy alcohol use causes inflammation of the stomach lining and digestive tract, reducing the body's ability to absorb vitamins. Alcohol also directly interferes with the body's use of nutrients, making them ineffective even if they are present. Thiamine deficiency is the established cause of an alcohol-linked neurological disorder called Wernicke-Korsakoff syndrome (WKS). WKS typically consists of two components: Wernicke's encephalopathy (WE), a short-lived and severe condition, and Korsakoff's psychosis, a long-lasting and debilitating condition.
WE is an acute life-threatening neurological disorder caused by thiamine deficiency. Symptoms include mental confusion, paralysis of the nerves that move the eyes (oculomotor disturbances), and impaired ability to coordinate movements, particularly of the lower extremities (ataxia). Korsakoff's psychosis, also known as alcohol amnestic disorder, results from permanent damage to areas of the brain involved with memory. While thiamine deficiency can be treated by stopping alcohol consumption, eating a nutritious diet, and taking vitamin B1 supplements, diet and supplements alone are not effective if heavy alcohol use continues as alcohol will block absorption.
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Alcoholics are deficient in vitamin C, which can be supplemented
Alcohol use disorder (AUD) is a leading substance abuse issue that can lead to serious long-term physical and psychological health issues, including vitamin deficiencies. Alcohol abuse can cause a lack of B vitamins like thiamine, which is essential for neurobiological health. Vitamin A deficiencies are also associated with alcoholism, increasing the risk of infections and reducing eyesight. In addition, alcoholism can cause a folate deficiency, which devastates digestive function.
Alcoholism can affect the absorption, storage, metabolism, and activation of vitamins. It can also interfere with the body's use of nutrients, making them ineffective even if they are present. Alcohol displaces food in the diet, and even when food is consumed, it can alter the cells lining the small intestine, impairing the absorption of nutrients. Alcohol can also cause diuresis, leading to the excretion of water and important minerals such as magnesium, potassium, calcium, and zinc.
Vitamin C deficiency is common among individuals with AUD, with 42% of those admitted to intensive care found to be severely deficient in one study. Supplementing with vitamin C can support the liver's recovery and restore essential nutrients that AUD has depleted. It may also help to reduce cravings and ease withdrawal symptoms. Therefore, vitamin C supplementation should be considered for individuals with AUD to address this deficiency.
In addition to vitamin C, other supplements such as NAC and GABA may be beneficial for individuals with AUD. These supplements can help replenish nutrients, reduce cravings, and support recovery by providing antioxidant and neurotransmitter balance. It is important for individuals with AUD to seek guidance from healthcare professionals when considering supplementation to ensure safe and effective support during recovery.
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Frequently asked questions
Alcoholics are likely to be deficient in many vitamins and minerals. Some of the most common mineral deficiencies include calcium, magnesium, zinc, iron, and potassium.
Alcoholics are more likely to be deficient in minerals due to a poor diet and reduced appetite. Alcohol also interferes with the absorption, storage, metabolism, and activation of vitamins and minerals, so even if these nutrients are present, the body cannot use them effectively.
A deficiency in calcium can lead to softening of the bones.
Magnesium deficiency can cause muscle weakness, muscle cramps, and irregular heartbeats.
Mineral deficiencies can have severe and permanent effects on brain function. Thiamine (vitamin B1) deficiency, for example, is common in people with severe alcohol use disorders and can cause serious neurological problems, impaired movement, memory loss, and confusion.











































