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Biotin and calcium are both essential for health.
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Biotin, sometimes referred to as vitamin H, is part of the B complex vitamin group. It is an essential vitamin that helps your body produce energy from the foods you eat. Calcium is an essential mineral that builds and maintains strong bones and teeth. A healthy diet provides both calcium and biotin, but sometimes it may be advisable to increase your intake of both compounds with supplements. You may take biotin and calcium together, because there are no known negative interactions between the two. Always consult your doctor to discuss the best supplements for your situation.


Biotin is a water-soluble vitamin that your body is unable to store. As a result, you need to obtain new supplies of the vitamin on a regular basis. Biotin helps your cells metabolize carbohydrates, fats and amino acids that you get from food, converting them into usable energy. It helps produce both glucose and fatty acids, essential energy sources for all of your cells, and it also helps your body build proteins from amino acids.

Sources and Supplements

Many foods are rich in biotin, including liver; cereal; eggs; certain fish such as sardines and salmon; nuts; bananas; and legumes. Although you may be able to obtain sufficient biotin from your diet, some conditions might increase your need for biotin and necessitate taking biotin supplements. These include a genetically caused biotin deficiency, removal of part or all of your stomach, eating a poor diet, having Crohn's disease or another condition causing malabsorption of nutrients, and taking certain medications. Symptoms of biotin deficiency include a skin rash and loss or thinning of your hair or nails. Experts at the University of Maryland state that biotin supplements may also lessen the symptoms of peripheral neuropathy and, when combined with chromium, may improve blood sugar in diabetics.


Calcium is an integral part of your bones and teeth. It combines with other minerals to make your skeleton strong enough to support your body. It also helps your teeth to stay strong and functional. Calcium is also necessary for biochemical reactions in your cells. Your bones will supply the calcium needed for these reactions if you don't consume enough of the mineral in your diet, potentially weakening the bones and raising your risk for osteoporosis and bone fractures. Good dietary sources of calcium include dairy products and leafy green vegetables. Taking calcium supplements, often in the form of calcium carbonate, will help increase your calcium intake to avoid problems that can result from a calcium deficiency.


Both biotin and calcium supplements are generally considered safe. However, depending on the dose you consume, one or both may cause mild side effects. Calcium carbonate can cause an upset stomach, decreased appetite or constipation, and some people may be allergic to biotin. In addition, biotin and calcium may interact with some prescription medications. While there are no known interactions between biotin and calcium, talk to your doctor in detail to discuss taking these supplements together before adding them to your regular regimen.

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