5 Ways Your Calcium Supplement May Interact with Medications

Levothyroxine . One medication that may interact with calcium supplements is levothyroxine, commonly used to treat thyroid disorders. ... If you take omeprazole and a …

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Levothyroxine: Uses, Interactions, Mechanism of Action

Levothyroxine is a synthetic T4 hormone used to treat hypothyroidism that can be used along with surgery and radioiodine therapy to manage thyrotropin-dependent well-differentiated thyroid …

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Calcium supplements: When should they be taken?

Take calcium citrate with or without food. Take calcium carbonate with food. The acid the stomach makes while eating helps the body absorb calcium carbonate. Total daily …

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Calcium Citrate And Levothyroxine

From GNC Calcium Citrate 1000 mg Most Absorbable Form of Calcium for Does Calcium Citrate Interfere With Levothyroxine Contrary to a prior report, our data suggest that calcium acetate …

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Interaction between levothyroxine and calcium carbonate

Neafsey PJ . Levothyroxine and calcium interaction: timing is everything . Home Healthc Nurse . 2004 ; 22 : 338 – 9 . doi: 10.1097/00004045-200405000-00015. [Google Scholar] 6. …

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Calcium

Calcium citrate malate is a well-absorbed form of calcium used in some fortified juices . Calcium absorption varies by type of food. ... Levothyroxine. Calcium carbonate supplements can …

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Hypothyroidism: Can calcium supplements interfere with …

They include synthetic thyroid hormones levothyroxine (Synthroid, Unithroid, others) and liothyronine (Cytomel), as well as thyroid extract supplements. Calcium supplements — or …

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Levothyroxine and lisinopril Interactions

Therefore, levothyroxine should be taken on a consistent schedule with regard to time of day and relation to meals to avoid large fluctuations in blood levels, which may alter its effects. In …

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Citracal Tablet

Calcium can decrease the absorption of other drugs such as bisphosphonates (for example, alendronate), tetracycline antibiotics (such as doxycycline, minocycline), estramustine, …

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Absorption of Levothyroxine When Coadministered with Various Calcium

Conclusions: Contrary to a prior report, our data suggest that calcium acetate interferes with levothyroxine absorption in a manner similar to that seen with calcium …

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How Synthroid Interacts With Supplements | livestrong

There is also some research to suggest that you should hold off on taking levothyroxine with calcium-rich food. One small study of 10 people with hypothyroidism …

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The 5 Best Vegan Calcium Supplements In 2025

The two most popular forms of calcium are calcium carbonate and calcium citrate. Calcium carbonate is the cheapest form of calcium, so it's also considered a good first choice. But in terms of actual absorption, calcium citrate appears to be …

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Calcium Citrate Interactions You Should Be Aware Of

Calcium citrate (Citracal) can bind to certain medications and reduce their absorption. This includes thyroid hormone medications, some antibiotics, and dolutegravir. Calcium citrate can also interact with iron …

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Citracal (calcium citrate) dosing, indications, …

levothyroxine. calcium citrate decreases levels of levothyroxine by inhibition of GI absorption. Applies only to oral form of both agents. Use Caution/Monitor. Separate administration by 4 hours. metoprolol. calcium citrate decreases …

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5 Ways Your Calcium Supplement May Interact with Medications, …

Levothyroxine. One medication that may interact with calcium supplements is levothyroxine, commonly used to treat thyroid disorders. ... like calcium carbonate and calcium citrate," says …

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How Calcium Causes Problems For Your Thyroid & How To …

Million and millions of thyroid patients are taking levothyroxine to support their thyroid every single month. Unfortunately, many of them, may not be taking it correctly. ...

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Calcium citrate and levothyroxine Interactions

Using calcium citrate together with levothyroxine may decrease the effects of levothyroxine. You should separate the administration of levothyroxine and calcium citrate by at least 4 hours. If …

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Calcium citrate and Levothroid Interactions

Using calcium citrate together with levothyroxine may decrease the effects of levothyroxine. You should separate the administration of levothyroxine and calcium citrate by at least 4 hours. If …

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Drug Interactions That Decrease Levothyroxine Efficacy

A cohort study of 20 patients who were receiving long-term levothyroxine therapy and calcium carbonate showed reduced levothyroxine absorption and significant increases in …

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Absorption of Levothyroxine When Coadministered …

The results of our pharmacokinetic study in eight normal subjects indicate that calcium carbonate, calcium citrate, and calcium acetate all lead to a blunted rise in the serum T4 concentration when given concurrently with levothyroxine.

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Mayo Clinic Q and A: Hypothyroidism and dietary challenges

It is calcium supplements or antacids containing calcium that can interfere with the absorption of thyroid hormone replacement medications, such as the synthetic thyroid …

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Can You Take Calcium Citrate with Levothyroxine? A …

The Interaction Between Calcium Citrate and Levothyroxine. The concern with taking calcium citrate alongside levothyroxine lies in the potential interaction between the two. Calcium can …

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Impact of Calcium Supplements on Levothyroxine …

Calcium supplements, particularly calcium carbonate and calcium citrate, are known to reduce levothyroxine absorption by 20-25%. This interference can greatly impact the effectiveness of your thyroid medication, …

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Supplements You Shouldn't Take With Thyroid …

However, so far, only two types are used in supplements: calcium carbonate, which contains 40% calcium, and calcium citrate, which has 21% calcium. ... calcium supplements could interfere with your body's ability to absorb thyroid …

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Choosing a calcium supplement

But because calcium citrate is only 21% calcium, you may need to take more tablets to get your daily requirement. Calcium citrate products include Citracal and GNC Calcimate Plus 800. ... If …

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Can You Safely Combine Calcium Citrate with Levothyroxine? An …

– Take Levothyroxine First: It is generally advised to take levothyroxine first thing in the morning on an empty stomach, ideally 30 to 60 minutes before eating or taking other medications or …

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Connection Between Levothyroxine and Calcium Levels: A Quick …

Levothyroxine, a synthetic hormone used to treat people with hypothyroidism, can influence calcium levels in the body if: You take levothyroxine at the same time as your …

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Title: Navigating the Interaction Between Levothyroxine and Calcium

Understanding the Interaction Between Levothyroxine and Calcium Citrate. Levothyroxine is a commonly prescribed medication for individuals with hypothyroidism, a condition where the …

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Dr. Roach: How to avoid calcium when taking thyroid medication

— E.G. Dear E.G.: Large amounts of elemental calcium do decrease the absorption of the thyroid hormone, thyroxine (Synthroid and others). If you were to take thyroxine at the …

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Do You Need Calcium Supplements?

Levothyroxine: Calcium carbonate can interfere with the absorption of levothyroxine. Calcium should be taken four hours apart from a dose of levothyroxine. ...

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