😂 "... there are no collateral effects of thiamin administration, even when used at high doses long-term (10).
In fact, thiamin is nontoxic to the body even at excess amounts (15), and doses as high as 3 to 8 grams per day have been used to treat Alzheimer’s disease without adverse effects (8). Only mild tachycardia appeared in one patient in the IBD study, which abated upon reduction of the dose (8)."