Thiamine is an essential vitamin. Seniors often don't get enough in their diet due to low apetite and poor food choices. When thiamine is low cells produce less energy. This is most noticeable in the brain. What is diagnosed as dementia may actually be be thiamine deficiency and once cells go low on energy they are hard to jump start. Mega dose thiamine as sulbutiamine supplementation is the best way to jump start brain cell energy production.
This Double Wood sulbutiamine 200 mg supplement is a good value and useful.