mechanistic
Analysis v1
Taking a lot of L-carnitine might block your body from using thyroid hormones properly by getting in the way of how those hormones move into cells.
Evidence from Studies
Supporting (0)
0
Community contributions welcome
No supporting evidence found
Contradicting (2)
0
Community contributions welcome
This review says that taking L-carnitine may help people with underactive thyroids feel better, which goes against the idea that it blocks thyroid hormone action.
This review says that taking L-carnitine might help people with underactive thyroids, which goes against the idea that it blocks thyroid hormone activity.
Gold Standard Evidence Needed
According to GRADE and EBM methodology, here is what ideal scientific evidence would look like to definitively prove or disprove this specific claim, ordered from strongest to weakest evidence.