TikTok Myth of the Week: Why Everyone's Freaking Out About the MTHFR Gene

Did you know that a significant percentage of the U.S. population has one of the less-efficient variants of the MTHFR gene? TikTokers love to say this, and it’s true. They’ll also claim that if you have a MTHFR variant, that you need special vitamins, and that the wrong vitamins (or even some medications) will be…

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