Can too much vitamin K cause blood clots?

Abnormal clotting is not related to excessive vitamin K intake, and there is no known toxicity associated with vitamin K1 or vitamin K2 (see Toxicity). Some oral anticoagulants, such as warfarin (Jantoven, formerly known as Coumadin), inhibit coagulation by antagonizing the action of vitamin K.


What are the symptoms of too much vitamin K?

Rare
  • Difficulty in swallowing.
  • fast or irregular breathing.
  • lightheadedness or fainting.
  • skin rash, hives and/or itching.
  • swelling of eyelids, face, or lips.
  • tightness in chest.
  • troubled breathing and/or wheezing.


Can too much vitamin K be harmful?

You should be able to get all the vitamin K you need by eating a varied and balanced diet. If you take vitamin K supplements, do not take too much as this might be harmful. Taking 1mg or less of vitamin K supplements a day is unlikely to cause any harm.


Does vitamin K thin or clot blood?

According to the National Library of Medicine (NLM), the body uses vitamin K to help clot blood.

Will taking vitamin k2 cause blood clots?

Conclusions: MK-7 supplementation at recommended dosage does not affect vitamin K-dependent coagulation factors' coagulation activity, and does not enhance the carboxylation of prothrombin in healthy individuals.


Vitamin K and blood clotting



When should you not take vitamin K2?

Vitamin K2 Contraindications

You should not use this medicine if you have had an allergic reaction to any single vitamin or multivitamin. Do not use this medicine if you are under 18 years old.

How much K2 and D3 should I take daily?

As a guide, you should take 45mcg of Vitamin K2 per 1000 IU of Vitamin D3.

Who should not take vitamin K?

People with a rare metabolic condition called Glucose-6-phosphate dehydrogenase (G6PD) deficiency should avoid vitamin K. People who take warfarin (Coumadin) should not take vitamin K (see “Possible Interactions”). People who are receiving dialysis for kidney diseases can have harmful effects from too much vitamin K.


Should you take vitamin K if you have a blood clot?

If you're being treated for a type of blood clot called a deep vein thrombosis (DVT), your doctor may have told you to watch your intake of things high in vitamin K, like spinach, kale, and even green tea. That's because vitamin K helps your blood clot.

Is 200 mcg of vitamin K2 too much?

Adults should ensure they are getting between 100 and 300 micrograms of vitamin K2 per day. Children under 12 need just 45 micrograms per day. People with particular medical conditions may need more, as recommended by their doctor. There are no known serious side effects from taking too much vitamin K2.

Does vitamin K increase the risk of stroke?

These findings indicate that genetic predisposition to higher circulating vitamin K1 levels is associated with an increased risk of large artery atherosclerotic stroke.


How much is too much vitamin K?

No tolerable upper limit has been determined for vitamin K. Toxicity is rare and unlikely to result from eating foods containing vitamin K. However, taking any type of supplement can lead to toxicity.

Does vitamin K2 thicken or thin the blood?

It is responsible for making blood coagulate or thicken, to form a clot. Clotting stops the flow of blood anytime we scrape our knees or get a nasty paper cut.

How do you reverse vitamin K toxicity?

The approach to reversal should depend upon the urgency and the degree of INR elevation. In the absence of clinically significant bleeding and an elevated INR between 5 and 9, discontinuing the vitamin K antagonist with or without administration of 1 to 2.5 mg oral vitamin K is generally sufficient.


Is 500 mcg of vitamin K2 too much?

A daily dose of 500 to 1000 mcg of MK-4 is adequate and close to healthy ancestral consumption. Combine that with 100 to 200 mcg of MK-7. This will cover virtually everyone's needs.

How do you dissolve blood clots in your legs naturally?

Natural Ways to Treat Blood Clots

Eat natural pineapple or take a nutritional supplement with bromelain. Increase your intake of other foods and drinks that may help dissolve blood clots such as garlic, kiwi, kale, spinach, red wine, and grape juice. Drink more water. Increase your exercise.

How long does vitamin K stay in your system?

And, you have to have a healthy digestive tract that contains these healthy bacteria. And, the type of K2 that the bacteria produce, MK4, gets cleared out of our bodies very quickly. It's only going to last for about six hours. And at best, your gut bacteria is only going to be producing a few micrograms of MK4.


What is the difference between vitamin K and vitamin K2?

Vitamin K1 is primarily found in leafy green vegetables, while K2 is most abundant in fermented foods and some animal products. Vitamin K2 may be absorbed better by the body and some forms may stay in the blood longer than vitamin K1. These two things may cause K1 and K2 to have different effects on your health.

Who is most at risk for vitamin K?

A vitamin K deficiency can occur in people of any age, but newborn infants are particularly at risk. Vitamin K deficiency is most likely to result from a lack of vitamin K reaching the fetus before birth and the lack of vitamin K in breast milk. Other risk factors for a vitamin K deficiency include: Liver disease.

What medications might vitamin K interfere with?

Vitamin K can have a serious and potentially dangerous interaction with anticoagulants such as warfarin (Coumadin®), as well as phenprocoumon, acenocoumarol, and tioclomarol, which are commonly used in some European countries [7,8].


Should vitamin D and K be taken together?

It's crucial that these vitamins be taken together because supplementing vitamin K with D helps the body use calcium properly to build bone instead of depositing it dangerously in arteries and soft tissue.

What foods are high in K2?

These eight vitamin K2-rich foods can help you achieve a better balance in your diet.
  • Natto. Natto is a Japanese dish made from fermented soybeans. ...
  • Eel. Though most vitamin K2 sources are animal-based, eel offers a seafood alternative. ...
  • Cheese. ...
  • Beef Liver. ...
  • Chicken. ...
  • Butter. ...
  • Sauerkraut. ...
  • Egg Yolk.


Will vitamin K2 lower blood pressure?

Improving vitamin K status may boost cardiovascular health by reducing arterial stiffness and improving blood pressure, suggests a study from scientists in Belgium and The Netherlands.


Does vitamin K2 reduce calcium arteries?

Conclusions: A 270-day course of vitamin K2 administration in patients with CKD stages 3-5 may reduce the progression of atherosclerosis, but does not significantly affect the progression of calcification. Vitamin K2 significantly changes the levels of calcification promoters and inhibitors: dp-ucMGP, OC, and OPG.