The content of VB 1 in normal adults is about 25~30mg, of which about 50% is in muscle, and the content in heart, liver, kidney and brain is also high. The biological half-life of VB 1 in human body is 9~ 18 days. If the diet lacks VB 1, the content of VB 1 in human tissues will decrease after 2 weeks. Therefore, in order to ensure the normal content in the tissue, it is necessary to supplement it regularly.
Extended data:
Matters needing attention in taking vb 1
1, people who smoke, drink and often eat sugar should increase their intake of vitamin B 1.
2. Women who are pregnant, breastfeeding or taking birth control pills need a lot of vitamin B 1.
If you have the habit of taking gastric acid inhibitors after meals, you will lose the B 1 you get in this meal.
4. People in a state of tension-illness, anxiety, mental shock, after surgery, etc. -You need not only B 1, but also all the vitamins in the B group, that is to say, you need to take vitamin B complex preparations.
CCTV-Office workers are irritable because they lack B vitamins.
Baidu encyclopedia-vitamin b 1