© 1998-2020 Mayo Foundation for Medical Education and Research (MFMER). Vitamin C binds with non-heme iron, making it much easier for your body to absorb. It’s important to note that it’s unnecessary for most people to take vitamin C supplements, as you can easily get enough by eating fresh foods, especially fruits and vegetables (1). Excess vitamin C increases the amount of uric acid in urine. Getting enough of this vitamin is especially important for maintaining a healthy immune system. However, the risks of vitamin C overdose are higher when people take supplements, and it is possible to consume too much of the vitamin in some circumstances. An Apple a Day Keeps the Doctor Away — Fact or Fiction? Vitamin C is water-soluble, so it’s not stored within your body. Since your body does not store vitamin C or produce it on its own, it’s important to consume foods that are rich in vitamin C daily (1). Applies to ascorbic acid: oral capsule, oral capsule extended release, oral liquid, oral powder, oral powder for solution, oral powder for suspension, oral solution, oral tablet, oral tablet chewable, oral tablet extended release, oral waferOther dosage forms: 1. intravenous solutionAlong with its needed effects, ascorbic acid (the active ingredient contained in Vitamin C) may cause some unwanted effects. This is because the body is able to regulate the amount of Vitamin D it receives via sun exposure. If you’re experiencing digestive problems as a result of taking too much vitamin C, simply cut back your supplement dose or avoid vitamin C supplements altogether (3, 4, 5). Vitamin C is a very important nutrient that’s abundant in many fruits and vegetables. © 2005-2020 Healthline Media a Red Ventures Company. Consuming too much vitamin C has the potential to increase the amount of oxalate in your urine, thus increasing the risk of developing kidney stones (13). Our general interest e-newsletter keeps you up to date on a wide variety of health topics. You’re most likely to experience digestive symptoms if you consume more than 2,000 mg at once. Vitamin C is found in many of the foods we eat. This content does not have an Arabic version. 7 The condition is usually caused by taking too many Vitamin D supplements, not by diet or sun exposure. An overdose of vitamin C during pregnancy can cause severe metabolic disorders in the fetus, which will ultimately affect the newborn. Vitamin C is among the best-known, most accessible antioxidants that have been touted to help prevent you from getting sick. Apart from these, following are some of the other symptoms observed in adults as well as children: 1. Vitamin C is a water-soluble vitamin, which means it dissolves... Too much vitamin C may cause digestive symptoms. Mayo Clinic Graduate School of Biomedical Sciences, Mayo Clinic School of Continuous Professional Development, Mayo Clinic School of Graduate Medical Education. Vitamin C, also known as ascorbic acid, is used by the body as an antioxidant to prevent damage to cells and also for the growth and repair of tissues in the body. ; In pregnant women, increased Vitamin C in the body can actually cause the baby to get rebound scurvy once it is born. Thus, a tolerable upper limit (TUL) of 2,000 mg per day has been established (1, 3, 4, 5). The discovery and isolation of vitamin C was one of the most important advances in improving human nutrition. Vitamin C is a water-soluble vitamin, which means it dissolves in water. Yes, it’s very possible to overdose on vitamin C. Usually, most of us assume that because vitamin C is a water-soluble vitamin, it’s safe to consume in large amounts as compared to other fat-soluble vitamins such as A and E. Just because vitamin C is safe to take in large amounts does not mean that you can have too much of it. Can vitamins help prevent a heart attack? If you choose to take a vitamin C supplement, it is best to choose one that contains no more than 100% of your daily needs. Excess intake of vitamin C also leads to excess absorption of iron, leading to a condition known as hemochromatosis. https://www.uptodate.com/contents/search. Technically, a vitamin C overdose is not possible, because vitamin C is not stored by the body--but it is still possible to take too much vitamin C at one time. Accessed Dec. 12, 2017. In humans, vitamin C deficiency leads to impaired collagen synthesis, contributing to the … But routinely getting an overload of vitamins and minerals can hurt you. This is especially true if you get it from foods, rather than supplements. Accessed Dec. 12, 2017. Although too much dietary vitamin C is unlikely to be harmful, megadoses of vitamin C supplements might cause: Remember, for most people, a healthy diet provides an adequate amount of vitamin C. Mayo Clinic does not endorse companies or products. Vitamin C is a water-soluble vitamin that supports normal growth and development and helps your body absorb iron. Vitamin C is a vital nutrient for the body, but overuse of the substance can cause significant health issues. HEADACHE AND VITAMIN C OVERDOSE Headache might come as a result of OD on vitamin C. Too much of vitamin C can cause unpleasant symptoms if a person takes too much of it per day. Vitamin C functions as a cofactor in many enzymatic reactions in animals (and humans) that mediate a variety of essential biological functions, including wound healing and collagen synthesis. The common cold is the most frequent infectious disease in humans. Avoid diarrhea, kidney stones, and iron toxicity by not over doing your vitamin C intake. Under these circumstances, taking vitamin C in excess may lead to iron overload, which can cause serious damage to your heart, liver, pancreas, thyroid, and central nervous system (9, 10, 11). This is an important function, especially for individuals who get most of their iron from plant-based foods (7). If you consume more than your body needs, it’s excreted in your urine. The typical recommended daily allowance of vitamin D is 400 to 1,000 IU, with a higher amount (800 to 2,000 IU) recommended for adults at high-risk of osteoporosis, and for older adults. In fact, it is nearly impossible for you to get too much vitamin C from your diet alone. This article explores the overall safety of vitamin C, whether it’s possible to consume too much, and the potential adverse effects of taking large doses. Serious or ongoing symptoms could be due to a preexisting condition, however, and should be monitored by a medical professional. Interestingly, some claim that vitamin C supplements provide benefits beyond those that can be obtained from the vitamin C found in food. Advertising revenue supports our not-for-profit mission. However, many supplements contain extremely high amounts of the vitamin, which can cause undesirable side effects in some cases. Most health experts recommend taking between 500 and 2,000 milligrams (mg) of vitamin C a day, even though the Recommended Daily Allowance (RDA) is just 75 to 90 mg. An overdose of vitamin B can initiate or worsen the existing problem of insomnia. 7. All rights reserved. Vitamin C normally helps the absorption of iron in the gastrointestinal system. Pu-erh Tea: Benefits, Dosage, Side Effects, and More. This article reviews…. Fortunately, it’s easy to prevent these potential side effects — simply avoid vitamin C supplements. This site complies with the HONcode standard for trustworthy health information: verify here. “You can reach too high levels of vitamin C,” Patel says, saying for adults this means 2,000 mg a day (or 1,000 mg for kids… Increased acid levels 2. Vitamin C for Colds — Does It Actually Work? 6. If your diet is rich in fresh fruits and vegetables, you are more likely to consume the proper amount of this vitamin. Taking more than the upper limit for vitamin C isn’t life-threatening, but you may experience side effects like: abdominal pain cramps diarrhea headaches nausea (and possible vomiting) sleeping problems Excess vitamin C is excreted from the body as oxalate, a bodily waste product. Still, despite all this there is still such a … Can low vitamin D cause high blood pressure? Deficiencies of vitamin C can cause tooth lose, acne, fatigue, and even death. Overview of water-soluble vitamins. Here are 8 tasty fish…, Pu-erh tea offers a number of antibacterial and anti-inflammatory-based benefits to help improve overall health and well-being. Although too much dietary vitamin C is unlikely to be harmful, megadoses of vitamin C supplements might cause: Diarrhea Nausea Vomiting Heartburn Abdominal cramps Headache Insomnia What happens if I overdose on Ascorbic Acid (Vitamin C)? The most common physical symptoms of Vitamin C overdose are:. Pazirandeh S, et al. Take vitamin C encapsulated in liposomes. Natural Medicines. Because your body doesn't produce or store vitamin C, it's important to include vitamin C in your diet. The heartburn is one of another very common symptom for the vitamin c. Vitamin C is vital for many important processes in your body, and citrus fruits aren't the only way to get enough of it. Vitamin C also helps the body absorb iron, which is needed for red blood cell production. Diarrhea; Stomach cramps; Nausea; Other symptoms; Other problems that can occur with Vitamin C overdose are:. Healthline Media does not provide medical advice, diagnosis, or treatment. Vitamin C (vitamin C) occurs naturally in foods such as citrus fruit, tomatoes, potatoes, and leafy vegetables. Here are 20 foods that are…, Vitamin C has many roles in your body and has been linked to impressive health benefits. However, supplementing with high amounts of vitamin C can lead to adverse effects, such as digestive distress and kidney stones. In adults, the recommended dietary allowance (RDA) of vitamin C is 90 milligrams (mg) for males and 75 mg for females. Accessed Dec. 12, 2017. If you think you or someone else may have overdosed on: Ascorbic Acid (Vitamin C) , … Excessive intake has also been reported to lead to acid reflux, although this is not supported by evidence (1, 3, 4, 5). Vitamin C is important for bones and connective tissues, muscles, and blood vessels. Is a vitamin C flush, also called an ascorbate cleanse, really worth all the hype? Vitamins for MS: Do supplements make a difference? High vitamin C intake is not only associated with greater amounts of urinary oxalate but also linked to the development of kidney stones, especially if you consume amounts greater than 2,000 mg (6, 14). Vitamin C is known to enhance iron absorption. Consuming too much vitamin C may increase the amount of oxalate in your kidneys, which has the potential to lead to kidney stones. This content does not have an English version. These include: helping to protect cells and keeping them healthy; maintaining healthy skin, blood vessels, bones and cartilage; helping with wound healing; Lack of vitamin C can lead to scurvy. Many people believe that vitamin C can help prevent or even cure colds. This article reviews whether mayo is safe when…, Apples are highly nutritious, but you may wonder whether they can really keep the doctor away. The most common side effect of high vitamin C … An individual who suspects a vitamin C overdose can undergo self-treatment by altering vitamin C intake. Vitamin C is water-soluble and not stored in your body. In such cases, problems with normal liver function or various heart diseases can develop. However, individuals with conditions that increase the risk of iron accumulation in the body, such as hemochromatosis, should be cautious with vitamin C supplements. And is it safe? Everything You Need to Know About Doing a Vitamin C Flush. Treatment for an overdose of vitamin C (if necessary) will involve supportive care, which consists of treating the symptoms that occur as a result of the overdose. Side Effects of a Vitamin C Overdose | Livestrong.com Although sometimes considered free of toxicity, there are in fact known side effects from vitamin C intake, and it has been suggested that intravenous injections should require "a medical environment and trained professionals." In one study that had adults take a 1,000-mg vitamin C supplement twice daily for 6 days, the amount of oxalate they excreted increased by 20% (13). Diarr… Is It Possible to Have a Vitamin C Overdose? Mayo Clinic offers appointments in Arizona, Florida and Minnesota and at Mayo Clinic Health System locations. Disorders related to the stomach are common symptoms caused due to overdose of this vitamin. Taking more than 100 micrograms of Vitamin D a day can be potentially harmful and could possibly lead to Vitamin D Toxicity. Abdominal cramps 3. Diarrhea is the most common symptoms of overdose of vitamin c. It has been observed that nausea, vomiting are also associated with the symptoms of the vitamin c overdose. That said, iron overload is highly unlikely if you don’t have a condition that increases iron absorption. For adults, the recommended daily amount for vitamin C is 65 to 90 milligrams (mg) a day, and the upper limit is 2,000 mg a day. Although the body can excrete excessive amounts of water-soluble vitamins such as vitamin C, it can retain fat-soluble vitamins such as vitamin … Scurvy, a severe vitamin C deficiency disease characterized by weakness, lethargy, easy bruising and bleeding, was particularly problematic for sailors on long voyages during the 16th century, where access to fresh fruits and vegetables was limited. As a water-soluble vitamin, most excess vitamin C is flushed from the body in urine. One of the most common reasons people take vitamin C supplements is the idea that they help prevent the common cold (2). Check out these best-sellers and special offers on books and newsletters from Mayo Clinic. While vitamin C (ascorbic acid) is an essential nutrient, it's possible to have too much of it. Some symptoms of vitamin C overdose can include: Digestive issues like diarrhea, nausea or abdominal cramps In contrast to fat-soluble vitamins, water-soluble vitamins do not get stored within the body. Taking vitamin C to help fight off a cold is also recommended by doctors. Additionally, iron overload is more likely to occur when excess iron is consumed in supplement form. Unless you have a vitamin C deficiency, which rarely occurs in healthy people, it is probably unnecessary for you to take large doses of this vitamin. Vitamin overdose occurs when a person ingests far more than the daily recommendation, for an extended period of time. All rights reserved. As a result, it does not build up in your system and cases of vitamin C toxicity are rare. Taking very large doses of vitamin C has been shown to cause an overdose in this vitamin, also referred to as vitamin C toxicity. The most common complaints are diarrhea, nausea, abdominal cramps, and other gastrointestinal disturbances due to the osmotic effect of unabsorbed vitamin C in the gastrointestinal tract … For example, those with conditions that increase the risk of iron overload or are prone to kidney stones should be cautious with their vitamin C intake (6, 10, 19). Our website services, content, and products are for informational purposes only. Here’s what you need to know. Eye vitamins: Can they prevent or treat glaucoma? The most common side effect of high vitamin C intake is digestive distress. What are omega-3 fatty acids from fish oil? Vitamin C. Office of Dietary Supplements. Too much vitamin C will stress your body out in various ways. Since vitamin C increases iron absorption, consuming too much of it is a concern for individuals with conditions that lead to iron accumulation in the body. https://naturalmedicines.therapeuticresearch.com. The recommended dietary allowance for women is 75 milligrams daily, while men should consume 90 milligrams every day. That’s 90 mg per day for men and 75 mg per day for women (21). This article reviews…, Pickle juice is a natural remedy often recommended to help combat hangover symptoms, but you may wonder whether it really works. All the adverse effects of vitamin C, including digestive distress and kidney stones, appear to occur when people take it in mega doses greater than 2,000 mg (20). Vitamin D toxicity, also called hypervitaminosis D, is a rare but potentially serious condition that occurs when you have excessive amounts of vitamin D in your body. High doses of B complex vitamins particularly vitamin B12 in the blood acts as an energy booster. That’s because if you overload your body with larger-than-normal doses of this vitamin, it will start to accumulate, potentially leading to overdose symptoms (3). Sleep Problems. Can zinc supplements help treat hidradenitis suppurativa? Integrative medicine: Different techniques, one goal, Calories and nutrients to fuel sports performance, Dietary supplements: What to know before you buy. Here are the top 7 benefits of vitamin C supplements, all…, Mayo is a popular condiment for sandwiches and often used as a base for salad dressings and sauces. A single copy of these materials may be reprinted for noncommercial personal use only. Can you overdose on vitamin C? It also plays an important role in wound healing, keeping your bones strong, and enhancing brain function (1). FREE book offer – Mayo Clinic Health Letter. Ingesting more than 2,000 mg of vitamin C per day may lead to gastrointestinal upset, including symptoms like diarrhea and nausea. What are multivitamin/mineral dietary supplements? It is found in citrus fruit, potatoes, peppers, and greens. In general, these side effects do not occur from eating foods that contain vitamin C, but rather from taking the vitamin in supplement form. However, if you’re supplementing with this vitamin, you can minimize your risk of getting too much by taking no more than 90 mg per day if you’re a man, or 75 mg per day if you’re a woman. "Mayo," "Mayo Clinic," "MayoClinic.org," "Mayo Clinic Healthy Living," and the triple-shield Mayo Clinic logo are trademarks of Mayo Foundation for Medical Education and Research. Vitamin C (ascorbic acid). Any use of this site constitutes your agreement to the Terms and Conditions and Privacy Policy linked below. Vitamin D toxicity is usually caused by large doses of vitamin D supplements — not by diet or sun exposure. Does Too Much Vitamin C Cause Side Effects? It’s nearly impossible to consume too much vitamin C from food. Vitamin C is used to treat and prevent vitamin C deficiency. Vitamin C is arguably one of the most popular and widely recognized of all vitamins. However, this is extremely rare, especially in healthy people (15). In healthy people, any extra vitamin C consumed above the recommended daily amount simply gets flushed out of the body (16). Vitamin C is water-soluble and not stored in your body, Too much vitamin C may cause digestive symptoms, Taking supplements in high doses may lead to kidney stones. To put it in perspective, you would need to consume 29 oranges or 13 bell peppers before your intake reached the tolerable upper limit (17, 18). The effects of vitamin C toxicity can include the following: Renal colic (ie, nephrolithiasis) Diarrhea Nausea Rebound scurvy - In infants born to women taking high doses Hemolysis - If … This article takes a close look at the old proverb and…, Fish sauce is a popular ingredient in many dishes, but if you're out or don't like the taste, there are plenty of alternatives. A list of serious long term problems caused by Vitamin C Overdoses includes: Acute Right-Sided Conjunctivitis Kidney Diseases Diabetes Hypoglycemia The activation of enzymes due to the intake of excessive amounts of vitamin C during pregnancy can cause ricochet scong in infants. See our safe care and visitor guidelines, plus trusted coronavirus information. The most common digestive symptoms of excessive vitamin C intake are diarrhea and nausea. Vitamin C . 7 Impressive Ways Vitamin C Benefits Your Body, Debra Rose Wilson, Ph.D., MSN, R.N., IBCLC, AHN-BC, CHT. In cases of vitamin C overdose, more iron will be absorbed, often leading to iron toxicity. When the dose of B vitamins exceeds the normal requirement, it can interfere with the normal sleep cycle. A decrease in copper and an increase in iron in the body. The best way to get it is from raw or uncooked fruits and vegetables, including citrus fruits, cantaloupe, kiwi, broccoli, green/red peppers, kale, and many more.As many people know, orange juice is also a great way to get vitamin C, but try and have freshly squeezed orange juice as opposed to ready-to-drink orange juice. http://ods.od.nih.gov/factsheets/VitaminC-HealthProfessional. Vitamin C has low toxicity and is not believed to cause serious adverse effects at high intakes . However, more serious consequences, such as iron overload and kidney stones, may also result from taking extreme amounts of vitamin C (3). Iron toxicity. Vitamin C is generally safe for most people. For most people, an orange or a cup of strawberries, chopped red pepper, or broccoli provides enough vitamin C for the day. Vitamin C, also known as ascorbic acid, has several important functions. Too much vitamin C or zinc could cause nausea, diarrhea, and stomach cramps. Individuals who take vitamin C in supplement form are at greater risk of consuming too much of it and experiencing side effects, the most common of which are digestive symptoms. If it is not washed out of the body, it can get stored in the kidney, resulting in kidney stone. However, under some circumstances, oxalate may bind to minerals and form crystals that can lead to the formation of kidney stones (12). One study in adults found that iron absorption increased by 67% when they took 100 mg of vitamin C with a meal (8). Instead, the vitamin C that you consume gets transported to your tissues via body fluids, and any extra gets excreted in urine (1). Oxalate typically exits the body via urine. Sodium ascorbate is recommended most by vitamin C experts, and it is commonly used in high dose intravenous (IV) infusions. Since vitamin C is water-soluble and your body excretes excess amounts of it within a few hours after you consume it, it’s quite difficult to consume too much. For instance, if an overdose caused diarrhea, then supportive treatment would include antidiarrheal medications. Here are the symptoms of the Vitamin C overdose. Vitamin D: Can it prevent Alzheimer's & dementia? Reports of kidney failure have also been reported in people who have taken more than 2,000 mg in a day. It can bind to non-heme iron, which is found in plant foods. Non-heme iron is not absorbed by your body as efficiently as heme iron, the type of iron found in animal products (6). Is needed for red blood cell production your kidneys, which is needed for red blood production. By not over doing your vitamin C in the blood acts as an energy booster improve overall health and.! Of kidney failure have also been reported in people who have taken more than mg. Bind to non-heme iron, leading to a preexisting condition, however, and blood vessels most common symptoms! In many of the vitamin C deficiency preexisting condition, however, supplementing with high amounts of the c.... 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