Happy Holidays

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Wishing You and Yours a Wonderful and Restful Holiday Season  Photo by Jamie Coupaud on Unsplash. Related posts: How Can One Little Boy Have So

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Is TTFD Toxic?

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I regularly receive correspondence from people asking whether thiamine tetrahydrofurfuryl disulfide (abbreviated TTFD), a thiamine (vitamin B1) derivative, is toxic or not.

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