iHerb.com - Customer Questions & Answers
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Dec 11, 2017
L-carnitine interferes with thyroid hormones ! but 0 suppliers speak about this serious PROBLEM !
iHerb Customer
Dec 13, 2017
Best Answer
This is actually very beneficial for people with hyperthyroidism to take 2-4 grams of L-carnitine daily to control the symptoms of excess thyroid hormone. I would of course rather stay clear of L-carnitine in case of people diagnosed with hypothyroidism as it may *potentially* decrease the effectiveness of thyroid hormone therapy (although I found no medical studies to prove that). In case of people with normal thyroid function, there is *no evidence* that it may negatively affects the thyroid f
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iHerb Customer
Mar 5, 2018
Verified Purchase
There is a specialist (Jon Barron) who does provide a detailed answer to this question, including the chemical processes involved. In short, alc actually may help people with both hyperthyroidism as well as people with hypothyroidism. His analysis is enough for me, so I myself continue to take this. Go look him up on the internet.
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