Thyroid hormone may press the gas pedal, but your cells still need a working engine. This clip explains how thiamine helps turn carbohydrates, fats, and proteins into usable energy, and why improving thyroid function alone may not fully restore energy if cellular metabolism is still struggling.

Your gut depends on constant signals from the autonomic nervous system, especially through the vagus nerve. This clip explains why conditions involving autonomic dysfunction, including POTS and long COVID, may also show up as digestive problems, and why thiamine may be relevant when the nervous system is no longer regulating the gut properly.

Severe thiamine deficiency can affect far more than nerves and the heart. This clip explains GI beriberi, a lesser-known form of B1 deficiency associated with lactic acidosis, nausea, vomiting, severe constipation, and in extreme cases, near-total loss of stomach and intestinal movement.