Some side effects of taking too much vitamin D include weakness, dry mouth, nausea, vomiting, and others. Taking vitamin D for long periods of time in doses higher than 4000 IU (100 mcg) daily is ...

Side Effects. Precautions. Dosage. Interactions. Storage. Sources. Vitamin C is touted for its many health benefits: It boosts immunity, improves heart health, bolsters iron absorption, and much more. Vitamin C is an essential nutrient needed for tissue growth, development, and repair.

Taking similar vitamin products together can result in a vitamin overdose or serious side effects. Many multivitamin products also contain minerals such as calcium, iron, magnesium, potassium, and zinc. Minerals (especially taken in large doses) can cause side effects such as tooth staining, increased urination, stomach bleeding, uneven heart ...

Lion's mane mushrooms may offer some health benefits, such as reducing inflammation, boosting immune function, and improving cognitive health. People can cook with the mushrooms or take supplements.

Vitamin K2 may help reduce the risk of heart disease. Calcium buildup in the arteries around your heart is a major risk factor for heart disease. Anything that can reduce this calcium buildup may ...

a nutrient deficiency. absorption issues. increased nutrient needs. Gummy vitamins may also be good for children who are picky eaters and do not consume an adequate diet, as well as those who have ...

Serious side effects of Vitamin D3. Along with its needed effects, cholecalciferol (the active ingredient contained in Vitamin D3) may cause some unwanted effects. Although not all of these side effects may occur, if they do occur they may need medical attention. Check with your doctor immediately if any of the following side effects …

Magnesium is an essential mineral lacking in many people's diets. This article covers the benefits, side effects, and recommended dosages of magnesium supplements.

Rhabdomyolysis can cause extreme muscle pain, liver damage, kidney failure and death. The risk of very serious side effects is extremely low. Only a few cases of rhabdomyolysis occur per million people taking statins. Rhabdomyolysis can occur when you take statins in combination with certain drugs or if you take a high dose of statins.

Constipation. Change in color of stool to green. Diarrhea. Belly pain. These are not all of the side effects that may occur. If you have questions about side effects, call your doctor. Call your doctor for medical advice about side effects. You may report side effects to the FDA at 1-800-332-1088.

Side Effects. When taken by mouth: Magnesium is LIKELY SAFE for most people when taken appropriately. Doses less than 350 mg daily are safe for most adults. In some people, magnesium might cause ...

Learn more about our editorial process. Vitamin K2 benefits include improved blood clotting, bone health and heart health. Adults should aim for 90 to 120 mcg of vitamin K per day.

Oral vitamin B-12 is safe to take at recommended doses for healthy people. Injectable vitamin B-12, which is used to treat significant deficiencies, can cause the following side effects: mild diarrhea

Other aches, pains, and changes. Iron, calcium, iodine, and other minerals in prenatal vitamins can sometimes cause side effects including: hives. stomach bleeding. teeth staining. muscle weakness ...

Lutein is a type of organic pigment called a carotenoid. It is related to beta- carotene and vitamin A. Many people think of lutein as "the eye vitamin." Lutein is one of two major carotenoids ...

Overview. Flax (Linum usitatissimum) is a food and fiber crop. Flaxseeds are a good source of dietary fiber and omega-3 fatty acids, including alpha-linolenic acid. Flaxseeds also contain ...

Vitamin A is a fat-soluble nutrient that plays a vital role in your body. This article discusses vitamin A, including its benefits, food sources of the vitamin, and the effects of deficiency and ...

Shutterstock. This is a rarer occurrence, but Sabat says that "some multivitamins can interfere with certain medical tests, leading to inaccurate results."For example, high-dose vitamin C supplements can …

View Details. See All. Rashes, shortness of breath, diarrhea, severe joint or muscle pain, slurred speech and blood in the urine are other possible adverse events that can result from supplement …

The bottom line. Although vitamin supplements are safely consumed by many people on a daily basis, it's possible to take too high of a dose, which can result in adverse side effects. Overdosing ...

WebMD explains why taking too many vitamins can be unhealthy and even dangerous, and how to be sure you're getting the right amount of vitamins and minerals.

Vitamin K supplements aren't recommended unless your healthcare provider indicates you need additional vitamin K. Side effects of supplementing vitamin K are rare when taken at the recommended dose. There may be side effects of taking vitamin K and medications such as blood thinners, aspirin, antibiotics, and more.

Long-term use of high dose vitamin D supplements may cause adverse side effects, such as dehydration, nausea, vomiting, cardiovascular problems, and confusion.

Excessive amounts of vitamin B6 from supplements can cause severe effects. So, the National Institutes of Health advises that the upper limit of vitamin B6 is 100 mg per day.

Vitamin B complex includes B1, B2, B3, B5, B6, B7, B9, and B12. This article examines the benefits of B vitamins, as well as dosage and side effects.

Side Effects. When taken by mouth: Ginger is likely safe. It can cause mild side effects including heartburn, diarrhea, burping, and general stomach discomfort. Taking higher doses of 5 grams ...

hives, itching, or skin rash. increased sweating. irregular breathing. irregular heartbeat. pale skin. puffiness or swelling of the eyelids or around the eyes, face, lips, or tongue. ringing in the ears. swelling of the face, fingers, feet, or …

Overuse of supplements may lead to toxic effects in the body. By Brandon Peters, MD. Updated on November 22, 2023. Medically reviewed by Lana Butner, ND, LAc. Print. Verywell / Anastasia Tretiak. …

Prenatal Vitamin Side Effects. Some prenatal vitamins can cause nausea in an already nauseated pregnant woman. Because of the amount of nutrients in prenatal vitamins, they can be large, which ...

Taking high doses can cause side effects, including irritability, sleepiness, diarrhea, and other problems. Excessive use of alcohol : Drinking alcohol might increase vitamin A's potentially ...

A combination of vitamins C and E, zinc, copper, lutein, and zeaxanthin (known as an Age-Related Eye Disease Study [AREDS] formula) may slow down further vision loss in …

Vitamin B-6 — Large daily doses of vitamin B-6 — more than 100 milligrams (mg) — can over time cause nerve damage. Vitamin B-3 (niacin) — High doses can help lower high cholesterol levels, but this should be done only under the supervision of a doctor. Side effects, including severe liver disease, can occur.

Dietary supplements include products such as vitamins, herbs, minerals, enzymes, amino acids, and botanicals. They are available over the counter. Vitamins C and D, fish oil, echinacea, melatonin ...

Overview. Thiamine (vitamin B1) is found in many foods and is used to treat low thiamine, beriberi, certain nerve diseases, and Wernicke-Korsakoff syndrome (WKS). Thiamine is required by our ...

Overview. Biotin (vitamin B7) is a vitamin found in foods like eggs, milk, and bananas. Biotin deficiency can cause thinning of the hair and a rash on the face. Biotin is an important part of ...

Selenium can cause stomach discomfort, headache, and rash. High doses can cause hair loss, fatigue, nausea, vomiting, and weight loss. Extremely high doses can lead to organ failure and death ...

Eating licorice 5 grams or more daily for several weeks can cause severe side effects including heart attack. People who have heart disease, kidney disease, or high blood pressure are more ...