This clip breaks down one of the earliest ways low thiamine may start showing up: the communication between the brain and the gut begins to break down. That matters because this whole pathway runs through the vagus nerve and depends heavily on acetylcholine. If B1 is too low, the signal can get weaker, the timing can get thrown off, and the gut starts losing clear instructions. What looks like a digestion problem may actually start much higher up the chain.
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Why Refined Carbs Quietly Drain Your B1
Refined carbs do not just spike blood sugar. They can also burn through the very nutrient your body needs to handle them. This clip breaks down the hidden B1 connection behind sugar, white rice, processed food, and the modern Western diet, and why so many people may be running low without realizing it. When the food is stripped down and the thiamine is gone, the body ends up paying the price.
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