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Can pre-workout supplements be taken with thyroid medicines?

This Premium Q&A, reviewed and published, features a real conversation between an iCliniq user and a physician.

Patient's Query

Hello doctor,

I am a patient with hypothyroidism. My TSH level is 449.65 µIU/mL higher than the normal range. The T4 range is 4.47 ug/dL. I want to know that can I take pre-workout supplements? Due to my thyroid, I feel unable to get up early in the morning. I go to the gym daily and follow a complete diet, but I think stressed and tired when I try to get up in the morning.

Please suggest whether pre-workout is helpful or not.

Answered by Dr. Naveen Thomas

Hi,

Welcome to icliniq.com.

It is always better to stop using such supplements as they can cause alterations in the body's metabolism in a negative manner.

Please see a physician to correct hypothyroidism as you may need medication.

Thank you.

Patient's Query

Hello doctor,

I take thyroid medicines. Last year, the TSH level was 699 µIU/mL, but I covered the range with the help of drugs, gym, and diet. Then, the TSH level reached 150 µIU/mL, but suddenly, I started to gain weight again.

Please suggest to me what I can do to get rid of this problem because I feel weak the whole day.

Answered by Dr. Naveen Thomas

Hi,

Welcome back to icliniq.com.

I suggest you stop using those pre-workout powders and change your diet; avoid cabbage, broccoli, cauliflower, etc. And recheck thyroid-stimulating hormone (TSH) in two weeks.

Thank you.

Answered by

Dr. Naveen Thomas

Medically reviewed byiCliniq medical review team

Published At May 6, 2022
Reviewed AtAugust 5, 2025

Same symptoms don't mean you have the same problem. Consult a doctor now!

Dr. Naveen Thomas

Dr. Naveen Thomas

Dentistry
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