All About Vitamin B1 (Thiamine)

Vitamin B1 (Thiamine) Benefits:

Things To Know & Note

It is an:

Essential vitamin or mineral

Primary use:

General health

Also known as:


Mostly used for:


Gets along with:


Most common side effect:

Feeling sick (nausea)

Low levels of vitamin B1 can cause beriberi, a nutritional disorder that can lead to heart failure and mental/nerve problems.

There is no daily Upper Intake Level (UL) for vitamin B1. Upper Intake Level is the highest intake amount that isn’t likely to cause adverse effects. The risk of thiamine overdose is unlikely as the body eliminates any excess through urine.

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