Some links to get you started. B1 deficiency can be caused by things like alcoholism. He also thinks we don’t get enough of b1 in our diet and the current scale is not sufficient.
Symptoms can vary and can involve different nervous systems. Things like tingling, insomnia, fatigue.
A lot of people talk about getting paradoxical reaction or refeeeding syndrome, meaning once they start taking b1 they get massive flare up of symptoms.
https://www.researchgate.net/profile/Derrick-Lonsdale
Some links to get you started. B1 deficiency can be caused by things like alcoholism. He also thinks we don’t get enough of b1 in our diet and the current scale is not sufficient.
Symptoms can vary and can involve different nervous systems. Things like tingling, insomnia, fatigue.
A lot of people talk about getting paradoxical reaction or refeeeding syndrome, meaning once they start taking b1 they get massive flare up of symptoms.