Excess vitamin K is very rare in adults but can cause flushing, thrombosis and anemia. Let's find out what the symptoms, causes and nutrition are for treating it.

Symptoms of excess vitamin K
The excess of vitamin K in adults is very rare. Vitamin K is partly produced by the bacterial flora of the colon, partly ingested through food.
Excess vitamin K can be found in newborns, when they are given too high a dose of supplements as soon as they are born, so it can lead to toxic situations and manifest the typical symptoms of jaundice .
An excess of synthetic vitamin K causes, even in adults, anemia, vomiting, thrombosis and collapse of red blood cells ; it can also cause hot flushes, sweating, itching, tightness in the chest.
Vitamin K normally taken through nutrition does not cause intoxications or particular symptoms.
Do you want to know all the properties of other vitamins? Discover it here!
The causes of excess vitamin K
The recommended vitamin K ration is equal to 1 µg / kg of weight / day, easily obtainable thanks to a varied and balanced diet. Excess vitamin K very rare.
It occurs due to assimilation and metabolic problems or due to inadequate and excessive intake through supplements. In newborns, for example, there may be cases of hypervitaminosis, caused by post-natal vitamin K administration, done to prevent bleeding.
If administered in excess in the adult, due to its oxidizing power, vitamin K can cause hemolysis and hyperbilirubinemia.
What is vitamin K and where is it?
Excess of vitamin K and nutrition
Vitamin K is a fat-soluble vitamin, it is absorbed in the intestine vessels along with the other lipids.
It exists in different forms:
- K1 present in green leafy vegetables (cabbage, spinach, lettuce),
- K2 synthesized by intestinal bacterial flora,
- the K3 of synthetic origin.
If you need to limit the intake of vitamin K from the diet, you should avoid consuming too many potatoes, peas, tomatoes ; avoid yoghurt and animal liver, if it is considered a food. In general it is recommended to reduce the consumption of vegetables such as spinach, cabbage, cauliflower, turnip greens, Brussels sprouts .
Among the herbs, the nettle is the richest, so avoid supplements that contain it.