Introducing Chris Masterjohn Lite

Thiamin, or vitamin B1, is needed for energy metabolism but is especially important to carbohydrate metabolism. Its deficiency causes severe neurological problems, but moderate deficits may manifest more mildly as poor carbohydrate tolerance. Carnivores and vegans alike can get plenty of thiamin if they eat the right foods, but a diet based mainly on fat, or on refined foods that have not been fortified with thiamin, can cause deficiency. Nevertheless, thiamin is unusual in that most factors contributing to deficiency are not dietary, and many are actually environmental. In this video, I teach you how to assess your thiamin status and fix it if you have a problem.

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4 Comments

  1. Besides the poor diet, Diabetes, AIDS, vomiting and alcoholism you mention, it seems there can be other causes of B1 deficiency such as:

    Non-alcoholic fatty liver damage,
    Smoking,
    Certain drugs/medicine,
    Horsetail, often used for its silica properties.
    Taking anitacids which prevent B1 from being absorbed,
    Thiaminase, thiols and other compounds which cause B1 to be used up very quickly. http://thiamine.dnr.cornell.edu/Thiamine_causes.html

    The brain function in some individuals with ‘high functioning’ autism or other neurodiversities seem to cause a greater need for B1 (and other B vits). When the need is not met it can result in Korsakoff’s Syndrome etc.. leading to unnecessary institutionalization, when the condition could have been remedied with supplementation.

    I would add that I know some folks who ended up with severe B1 deficiency due to illness, food sensitivity and histamine intolerance, down to the point that the only food they tolerated was white rice. And a white rice diet alone can be the cause of Beriberi/B1 def.

  2. Hey Chris,

    I’m curious if certain polyphenols, like those in blueberries, red currants, brussel sprouts, etc. should be concerning if large amounts are being eaten. I found the following paper that discusses these foods as thiamine antagonists:
    http://helid.digicollection.org/en/d/Js2900e/8.2.html

    Also, for those interested in getting more technical, the following study showed tea’s ability to destroy thiamine in units brewed per hour, betel nut chewing in units, etc.:
    https://www.researchgate.net/publication/16155262_Beriberi_caused_by_antithiamin_factors_in_food_and_its_prevention

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