How long do supplements stay in your system?

I have been taking a supplement that contains tyrosine and iodine/kelp which has helped my health dramatically. My doctor wants to test my thyroid.

I want the supplement to be completely out of my system when I take the test so I will get accurate results. The last time that I took the supplement was Saturday, Dec. 19th.

I was thinking about going either on Thursday, Christmas Eve or Monday Dec. 28th.

So, how long will this be in my system?

Thanks!

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2 Comments

  1. Some supplements are water soluble like vitamin C. Some are not like vitamin A. It depends on the supplement and how long you have been taking it.

  2. Hi Billybob. Unfortunately your question doesn’t make any sense. Nutrients are NOT drugs, they are components of normal biochemistry/physiology.

    Tyrosine is an amino acid that is vital for a variety of functions. It is made in the body from the essential amino acid phenylalanine.

    Iodine is an essential nutrient. It is vital for normal thyroid function. If these ‘nutrients’ were completely ‘out of your system’, you would be very sick, if not dead.

    So, unless your supplementation is creating elevated levels of these two molecules AND your doctor is testing their levels in your body (I doubt that), then your concerns may be misdirected.

    Best wishes and good luck with your lab tests.

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