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Doctor insights on: Does Fish Oil Cause Thyroid Problems

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Fish Oil (Definition)

Fish oils contain two active omega-3 fatty acids, dha and epa. Most fish oil products contain both dha and epa, but supplements enriched in dha or epa are available. Omega-3 fatty acids have been shown to significantly reduce sudden cardiac death. Some studies also indicate the potential for benefits in dementia and risk of heart attack. The omega-3 content of cold water ...Read more


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Would taking fish oil less often improve the insomnia brought on by taking it daily? What could i take that is similar that doesn't cause me insomnia?

Would taking fish oil less often improve the insomnia brought on by taking it daily? What could i take that is similar that doesn't cause me insomnia?

Raise. Melatonin: To overcome the insomnia which is rare and generally resolves with time. Google sleep hygiene. Try passionflower, chamomile, valerian, kava-kava(may be toxic to liver rarely), or a warm bath with lavender candles. ...Read more

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Can taking fish oil cause LDL to be elevated? I'm taking it and i've never had a high LDL before.

Can taking fish oil cause LDL to be elevated? I'm taking it and i've never had a high LDL before.

Yes: Fish oils contain two active omega-3 fatty acids, dha and epa. Most fish oil products are a blend of these two fatty acids. Dha + epa frequently increases LDL cholesterol in a dose dependent manner (the higher the dose, the greater the increase). Recent studies show that purified epa (without dha) decreases LDL cholesterol with significant reduction seen at a 4 gram per day dosage. ...Read more

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I've read that its very common for fish oil to cause insomnia in many people, and I am sensitive to everything, its causing insomnia, so should I stop?

I've read that its very common for fish oil to cause insomnia in many people, and I am sensitive to everything, its causing insomnia, so should I stop?

Fish oil ; sleep: Not much data on fish oil and sleep, but if you believe your sleep got worse after starting it stop it for 14 days since fish oil can be safely discontinued. If your sleep improves you have your answer. If not, look for other causes of your sleep difficulty and consider restarting fish oil for beneficial effects on heart and mood. ...Read more

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Can fish oil cause plaque and tartar?

Can fish oil cause plaque and tartar?

Definitely, no: There is no evidence to support that fish oil is a cause for plaque and tartar. Visit your dentist for a hygiene appointment. ...Read more

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Does kids fish oil cause congestion?

Does kids fish oil cause congestion?

Probably not.: If the child is allergic to a component of the fish oil, this may cause boggy rhinitis (congestion), however this is not very common. ...Read more

Dr. Terri Washington
440 doctors shared insights

Thyroid Diseases (Definition)

You can have problems with they thyroid making too much or too little thyroid hormone. You can also have problems with it being too large (goiter) of having nodules or cysts in it. There are also occasional thyroid cancers. Most thyroid problems can be easily diagnosed and treated ...Read more


Dr. Michael Kleerekoper
13 doctors shared insights

Thyroid (Definition)

The thyroid is an endocrine gland that sits in the lower part of the neck. It produces thyroid hormone - which ...Read more