What supplements should be avoided with Synthroid?

Products such as iron and calcium supplements and antacids can lower your body's ability to absorb levothyroxine, so SYNTHROID should be taken 4 hours before or after taking these products.


What vitamins Cannot be taken with thyroid medication?

Iron and calcium supplements can interfere with how your body absorbs thyroid medications. So space these at least 1 hour apart. Another supplement to watch out for is biotin. It's commonly taken for its hair, skin, and nail benefits.

Can I take B12 with Synthroid?

Do B vitamins such as biotin or B12 interact with Synthroid? Synthroid is not known to interact with B vitamins such as biotin and vitamin B12. Biotin and vitamin B12 are used for various health conditions, including improving the health of hair, skin, and nails.


Can Synthroid and vitamin D be taken together?

No interactions were found between Synthroid and Vitamin D3.

Can I take thyroid medication with other vitamins?

Vitamins and supplements

“You should also avoid any drugs or supplements that contain iron, calcium, or magnesium for at least four hours after taking your thyroid medications,” says Dr. Jaiswal. That also includes multivitamins that contain these minerals.


Supplements which harm your thyroid (avoid these!)



What interferes with thyroid medication?

Specifically, antacids, calcium, cholesterol drugs, and iron supplements can each interfere with the way the thyroid hormone is absorbed. So, you should take these particular drugs four hours before or after taking your thyroid medication, according to the U.S. National Library of Medicine.

Can I take turmeric with Synthroid?

Interactions between your drugs

No interactions were found between Synthroid and turmeric.

What blocks the absorption of Synthroid?

A number of drugs have been shown to impair the absorption of levothyroxine; these drugs include calcium carbonate, aluminum- containing antacids, sucralfate, iron supplements, cholestyramine, sevelamer, and, possibly, ciprofloxacin, raloxifene, and orlistat.


Why is it better to take Synthroid at night?

In conclusion, bedtime intake of levothyroxine in our study significantly improved thyroid hormone levels. This may be explained by better gastrointestinal bioavailability at night or by less uptake interference by food or medications. As shown in this study, bedtime administration is more convenient for many patients.

Can you drink coffee right after taking Synthroid?

Although current product labels and treatment guidelines recommend that patients take thyroid hormone replacement therapy on an empty stomach, new research suggests drinking coffee does not affect the absorption of a liquid formulation of levothyroxine (LT4).

Can I take magnesium with Synthroid?

Doctor's response. Aluminum and magnesium containing antacids, calcium carbonate, simethicone, or sucralfate and iron-containing compounds may decrease the absorption of Synthroid; so you should not take these medications within four hours of taking Synthroid.


What is the difference between levothyroxine and Synthroid?

What's the difference between levothyroxine and Synthroid? Levothyroxine and Synthroid contain the same active (main) ingredient, levothyroxine, which is human-made T4. Levothyroxine is the generic name for Synthroid.

What herbs interfere with Synthroid?

Potential Negative Interaction

Bugleweed (Lycopus virginicus, Lycopus europaeus) and lemon balm (Melissa officinalis) may interfere with the action of thyroid hormones. Check with your doctor before taking these herbs with thyroid hormones.

What supplements to avoid when taking levothyroxine?

As mentioned above, levothyroxine should not be taken within 4 hours of medications and supplements like antacids, bile acid sequestrants, ion exchange resins, iron supplements, or calcium.


Can you take Omega 3 with thyroid medication?

No interactions were found between Fish Oil and levothyroxine.

How long after taking levothyroxine Can I take other vitamins?

Using multivitamin with minerals together with levothyroxine may decrease the effects of levothyroxine. You should separate the administration of levothyroxine and multivitamin with minerals by at least 4 hours.

Should you lay down after taking Synthroid?

There is no warning or instruction about lying down after you take levothyroxine in the drug's detailed prescribing information. Unless your doctor gives you different directions, you can lay down after taking it.


When should you not take Synthroid?

SYNTHROID should not be used to treat noncancerous growths or enlargement of the thyroid in patients with normal iodine levels, or in cases of temporary hypothyroidism caused by inflammation of the thyroid gland (thyroiditis).

Does Synthroid make it hard to sleep?

At the correct dose, it is an effective treatment for many people. However, if someone is taking more than they need, they can experience side effects, including: inability to sleep.

What nutrients are depleted by Synthroid?

Hormone replacement therapy depletes folate, magnesium, B6, riboflavin, thiamine, vitamin A, B12, vitamin C and zinc. Thyroid hormones such as levothyroxine and armour deplete calcium.


Is Synthroid hard on your liver?

When given in high doses, thyroid hormone preparations can cause mild serum enzyme elevations. In addition, standard doses of levothyroxine have been linked to rare instances of mild, immunoallergic liver injury.

How can I make Synthroid more effective?

For best absorption into your bloodstream, levothyroxine should be taken on an empty stomach 30-60 minutes before breakfast, or three or more hours after dinner.

Does cinnamon interfere with Synthroid?

Interactions between your drugs

No interactions were found between cinnamon and Synthroid. However, this does not necessarily mean no interactions exist. Always consult your healthcare provider.


Does CoQ10 interfere with Synthroid?

Interactions between your drugs

No interactions were found between CoQ10 and Synthroid.

Can you take vitamin C while taking Synthroid?

No interactions were found between Synthroid and Vitamin C.