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Which Hormone is Keeping you Fat? 

What you need to know about your thyroid medications


If you have been diagnosed with hypothyroidism or Hashimoto’s it’s important to understand your medications so you know what questions to ask your physician and your pharmacist.

For more information on the condition itself (and the tests you should get) check out this article.

Types of thyroid medication

The medication used to treat hypothyroidism can be:

  • T4 containing

  • T3 containing

  • A combination

Many people will only require T4 because it can be converted to T3, but if you have Hashimoto's you may not be able to convert T4 to T3. If you still have symptoms with a T4 only medication you should ask your physician if it needs to change.

Monitoring your medication

Thyroid medication is difficult to get just right and overmedicating can often swing the balance from hypothyroidism to hyperthyroidism. If you experience symptoms of hypothyroidism or hyperthyroidism contact your physician to get your medication adjusted. 

Drug interactions

Always make sure your pharmacist and your medical team are aware of all the medications you are taking. This includes checking when taking any over the counter medication to make sure there are no potential drug interactions.

Fillers in medications

Make sure your pharmacist and your physician are aware of any food intolerances or allergies that you have. Cornstarch, sugar, lactose and artificial colours are commonly used as fillers in these medications and can cause reactions.

If you are lactose intolerant, the small amount of lactose may not be enough to cause a reaction, but it may make it harder for you to absorb the medication. 


Your medication will only work if your body can absorb it. Follow the guidelines from your pharmacist, but here are some things to consider:

• taking the medication on an empty stomach and 30 minutes before eating increases absorption.

• do not take your medication with coffee, other medication or supplements

• Celiac disease, lactose intolerance and intestinal infections can prevent absorption of the medication.

Other factors

Making adjustments to your diet and your lifestyle may also be necessary to manage your condition. As you make these changes your medication levels may also need to be adjusted. 

How can I help

I can help making changes to your diet and lifestyle to improve your health and help manage your thyroid condition so you can boost fat loss.

Click here to book a free nutrition assessment.

Warm wishes,

Vicki Witt emoji logo white.png

Vicki Witt | Clinical Nutritionist | Holistic Coach | Reiki Master | Certified LEAP allergy therapist

Over 25 years of successfully helping you achieve optimal health and weight loss  |

About Vicki:

Vicki Witt is a Clinical Nutritionist, Holistic Health Coach, and Reiki Master. She has been practicing over 25 years and specializes in holistically customizing diet and lifestyle plans to each individual for weight loss and hormonal control. Her clientele often report they feel the best they have ever felt and wish they had started sooner. One of the USA and Australia's top Nutritionists, she has won multiple awards for her services in the industry.


Certified and Registered Nutritionist

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