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Thiamine? whats the upper limit

Answered on September 12, 2014
Created August 14, 2013 at 3:11 AM

Is it possible to overdose on thiamine supplements, or does it have any other negative effects like folate?

I take a 100mg tablet every day, I try to get what i can from food. I also take folate, but in the metafolin form.

A048b66e08306d405986b6c04bf5e8e4

on August 18, 2013
at 03:05 AM

@mdasilveira I remember reading it in my Nutrition textbook

D396b126240f584bc358e6e4fd84e9e3

(455)

on August 15, 2013
at 04:45 PM

"The Food and Nutrition Board did not set a tolerable upper intake level (UL) for thiamin because there are no well-established toxic effects from consumption of excess thiamin in food or through long-term, oral supplementation (up to 200 mg/day). A small number of life-threatening anaphylactic reactions have been observed with large intravenous doses of thiamin (29)." http://lpi.oregonstate.edu/infocenter/vitamins/thiamin/

14b8422e9b449a21e06fa3349953d4f7

(220)

on August 15, 2013
at 03:34 AM

I was just talking in the sense that if you take in a regular amount of supplements for your height and weight than a healthy diet that doesn't restrict any food for some minuscule reason should make sure you aren't deficient in any nutrients.

8ce8b8fd33944e67dfd6277e7b671815

(327)

on August 15, 2013
at 03:03 AM

What, dude i'm asking if i eat to many thiamine tablets will it have adverse affects. Supplements have been known to do that, get off your high horse you look like an idiot.

2194b1863657b6be2e49ae0dac911c72

(139)

on August 15, 2013
at 02:16 AM

Do you have any sources on that?

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2 Answers

1
A048b66e08306d405986b6c04bf5e8e4

on August 14, 2013
at 06:52 AM

If I remember correctly, Thiamine is a B-vitamin and is water soluble, so there is no UL.

D396b126240f584bc358e6e4fd84e9e3

(455)

on August 15, 2013
at 04:45 PM

"The Food and Nutrition Board did not set a tolerable upper intake level (UL) for thiamin because there are no well-established toxic effects from consumption of excess thiamin in food or through long-term, oral supplementation (up to 200 mg/day). A small number of life-threatening anaphylactic reactions have been observed with large intravenous doses of thiamin (29)." http://lpi.oregonstate.edu/infocenter/vitamins/thiamin/

A048b66e08306d405986b6c04bf5e8e4

on August 18, 2013
at 03:05 AM

@mdasilveira I remember reading it in my Nutrition textbook

2194b1863657b6be2e49ae0dac911c72

(139)

on August 15, 2013
at 02:16 AM

Do you have any sources on that?

-3
14b8422e9b449a21e06fa3349953d4f7

on August 15, 2013
at 02:04 AM

You should have exactly 13.245 mg, and if you have 13.246 mg you'll die of cancer within 23 seconds of having more than recommended. And also, don't eat onions even if you like them and digest them well because they contain 2-3 grams of the deadly FRUCTOSE (gasps of shock in the background. And just to make sure, don't eat any potatoes, and not because they contain pottasium, soluble fiber, plenty of b vitamins and a host of other trace minerals, but because they contain poisonous STARCH(cry's for help) and anti nutrients that are probably relevant to those of any other vegetable and lectins that will give you IBS within 2.3 minutes of consuming them. And let's hope to god that you don't eat that bacon that list sugar in the ingredients but has 0 grams per serving, because sugar in that amount will probably give you diabetes, right. Some other advice, don't eat any food with one single perservative or filler or else you will die a very horrible death from whats called STOP STRESSING OVER EVERY ELEMENT OF EVERY SINGLE FOOD YOU EAT. Almost everyone on this forum(including me)probably needs to stop worrying about little things and acting like we should only eat perfect foods and just eat whole foods when your hungry

14b8422e9b449a21e06fa3349953d4f7

(220)

on August 15, 2013
at 03:34 AM

I was just talking in the sense that if you take in a regular amount of supplements for your height and weight than a healthy diet that doesn't restrict any food for some minuscule reason should make sure you aren't deficient in any nutrients.

8ce8b8fd33944e67dfd6277e7b671815

(327)

on August 15, 2013
at 03:03 AM

What, dude i'm asking if i eat to many thiamine tablets will it have adverse affects. Supplements have been known to do that, get off your high horse you look like an idiot.

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