Diet & Nutrition

Vitamin K Foods: Health Benefits, Deficiency and More

A vitamin is an natural molecule and a necessary micronutrient. Due to this fact, we want it in tiny quantities for regular functioning, progress and upkeep of physique tissues. Sadly, our our bodies cannot synthesise these essential micronutrients, both in any respect or not in enough portions. Since they’re both soluble or dissolvable, in fats or water, they divide into water-soluble and fat-soluble nutritional vitamins. Due to this fact, it turns into important to eat them by means of a food regimen. There are a number of very important nutritional vitamins we should always eat. Most of us are conscious of the nutritional vitamins A, B, C, D, and E, however do you know the significance of vitamin Ok?

When was the final time you have been bleeding from scraped knees, paper cuts, or a finger you sliced whereas chopping? Have you learnt when the scratch stopped bleeding? Possibly a minute, or maybe you coated it in a bandage and didn’t realise it was gone for hours? Have you ever ever contemplated how that is doable? Have you learnt who’s answerable for these actions in our our bodies? The reply to those questions is vitamin Ok, a fat-soluble vitamin. It is likely one of the 13 nutritional vitamins within the human physique and is important for blood clotting. Within the absence of vitamin Ok, the physique gained’t cease bleeding. It’s abundantly obtainable in each plant and animal sources. Most individuals can meet their each day necessities of vitamin Ok by balanced meals solely.

Vitamin Ok: All the things You Ought to Know

Vitamin Ok is a necessary vitamin in creating three vital proteins within the physique. It protects your arteries from calcium accumulation and primarily includes blood clotting, bone metabolism, and constructing proteins. It does its work within the liver and different tissues, together with the mind, pancreas, and coronary heart, in addition to your skeletal system.

Whereas Vitamin Ok might sound like one compound, it’s a group of compounds. Vitamin K1 and Vitamin K2 are essentially the most vital compounds, also called Phylloquinone and Menaquinone. The manufacturing of vitamin K2 (or menaquinone) primarily happens in intestinal flora or the “intestine micro organism”. Alternatively, you may primarily receive vitamin K1 (or phylloquinone) from the food regimen, particularly inexperienced leafy greens.

Vitamin Ok: Required Every day Consumption

As per scientific research, the Ample Consumption (AI) of Vitamin Ok for various individuals in numerous age teams is:


  • 0 to six months: 2 mcg
  • 7 to 12 months: 2.5 mcg


  • 1 to three years: 30 mcg
  • 4 to eight years: 55 mcg


  • 9 to 13 years: 60 mcg
  • 14 to 18 years: 75 mcg 
  • 19 years and older: 90 mcg
  • Throughout being pregnant and lactation: 90 mcg


  • 9 to 13 years: 60 mcg
  • 14 to 18 years: 75 mcg 
  • 19 years and older: 120 mcg

Prime 15 Vitamin Ok Wealthy Meals to Add to Your Eating regimen

1. Kale

Kale is a superfood that’s extraordinarily wealthy within the dietary type of vitamin Ok, known as phylloquinone. For instance, 100 grams of cooked or boiled kale with out salt provides 817mcg of vitamin Ok. It’s roughly 681% DV (Every day Worth) of vitamin Ok, making kale one of the best plant-based supply with the best vitamin Ok ranges. It’s best to eat it uncooked or add it to salads, pasta, or soups.

Kale is obtainable year-round and serves as a dietary powerhouse. Moreover being full of vitamin Ok, kale comprises fewer energy and only a few fat. Based on a study, consuming kale juice considerably lowers dangerous levels of cholesterol and reduces the dangers of coronary artery illnesses.

2. Collard Greens

For a wholesome dose of vitamin Ok and different important vitamins, collard greens are among the best choices. It’s excessive in vitamin Ok and offers greater than 800mcg per serving. As per the USDA information, 100 grams of uncooked collard greens has about 437mcg of vitamin Ok. It offers practically 370% of advisable each day vitamin Ok ranges.

Collard greens comprise very important B-complex nutritional vitamins, calcium, iron, folate, and potassium. Its dietary profile helps bone and blood well being in some ways. For instance, vitamin Ok can enhance calcium absorption and cut back bone fracture danger. As well as, collard greens can probably fight the carcinogenic elements that trigger kidney, colorectal, and breast most cancers.

3. Spinach

Moreover being a wealthy supply of iron, spinach additionally provides the goodness of vitamin Ok, C, and A. 100 grams of uncooked spinach comprises 483mcg of vitamin Ok. It makes as much as 402% of each day vitamin Ok necessities. Nonetheless, consuming cooked spinach offers extra vitamin Ok than uncooked spinach. For instance, vitamin Ok in a single cup of cooked spinach is about 888.5 mcg, whereas one cup of uncooked spinach has solely 144.9mcg.

Vitamin Ok in spinach is important for blood clotting. Consuming spinach is appropriate in your normal well being as nicely. A study reveals that the nitrates current in spinach leaves can regulate your blood strain, selling cardiovascular well being. As well as, it’s usually appropriate for enhancing the haemoglobin ratio and eye well being.

4. Broccoli

Broccoli may not be a favorite selection for a lot of, however it has a number of well being advantages. 100 grams of uncooked broccoli offers 102mcg of vitamin Ok, and 100 grams of cooked broccoli has about 141mcg. Nonetheless, it’s best to guarantee to not overcook it to protect its nutritional vitamins and different vitamins.

Including vitamin Ok wealthy broccoli to your food regimen helps with strengthening your immunity. Plus, it has fibre and vitamin C. Furthermore, studies present that consuming broccoli sprouts daily can enhance insulin resistance amongst individuals with sort 2 diabetes.

5. Eggs

Eggs are a straightforward meal choice. The vitamin Ok vary in a single egg yolk is between 67 and 192mcg. So consuming one massive egg provides you 5% DV or 5.8 mcg of vitamin Ok. You may both eat uncooked egg yolks, boil it, or scramble it.

Eggs supply way more than protein and vitamin Ok. They assist enhance good levels of cholesterol and repairs physique tissues. As well as, eggs make you’re feeling full, thereby aiding in weight administration.

6. Cheese

Totally different types of cheese have totally different ranges of vitamin Ok content material. So it doesn’t matter what cheese you favor, including them to your food regimen equals including vitamin Ok. Tender cheeses supply 59 mcg or extra vitamin Ok per 100g, whereas arduous cheeses present about 87mcg or extra.

Along with vitamin Ok, cheese enriches your food regimen with protein, fats, and calcium. For underweight individuals, consuming cheese helps to achieve weight healthily. Nonetheless, ensure to eat it carefully.

7. Soybeans

Vitamin Ok is obtainable in two kinds; vitamin K1 and vitamin K2. Soybeans are a superb supply of each vitamin K1 and K2. For instance, 100 grams of steamed or cooked soybeans comprise practically 70.6mcg of vitamin Ok. You may also get 43mcg of vitamin L from consuming an ordinary half-cup serving of roasted soybeans.

The first well being advantages of soybeans embrace their function in diabetes administration, inducing high quality sleep, and bettering blood circulation. It’s also appropriate for being pregnant on account of folic acid and vitamin B complexes.

8. Hen

Hen is one of the best vitamin Ok supply for non-vegetarians. Including 100 grams of hen to your food regimen ensures the provision of 60 mcg of vitamin Ok, equal to 50% DV. Hen liver can be vitamin Ok wealthy and provides as much as 13mcg per 100 grams serving. Grilled and pan-seared hen are higher cooking decisions for retaining its advantages.

Hen is wealthy in vitamins, together with proteins, selenium, and niacin. For these on a weight reduction journey, consuming the advisable quantity of hen enhances emotions of fullness. Moreover, it helps construct muscle mass, retains bones wholesome, and boosts testosterone ranges in males.

9. Bacon

Bacon additionally comes beneath the checklist of vitamin Ok wealthy meals. 100 grams of bacon comprises 35 mcg or 29% DV of vitamin Ok. Pan-fried, roasted, or broiled bacon are some choices to strive.

Bacon reveals a excessive protein to fats ratio, thereby serving as a superb supply of animal protein. As well as, its micronutrients help muscle energy, coronary heart features, and bone well being.

10. Lettuce

In American diets, lettuce is a well-liked supply of vitamin Ok. 100 grams of uncooked, inexperienced leaf lettuce offers you with 126mcg of vitamin Ok. You’ll get practically 60mcg of vitamin Ok per serving. As well as, 95% of uncooked lettuce consists of water. Thus, it’s appropriate for hydration. Moreover, lettuce extract improves sleep and imaginative and prescient.

11. Inexperienced Peas

Legumes like inexperienced peas present 26mcg of vitamin Ok, about 22% DV. Consuming half a cup of cooked inexperienced peas ensures the consumption of 21mcg or 17% DV. You may eat it as a facet dish or add them into soups and stews. As well as, inexperienced peas additionally assist enhance immunity on account of their antioxidant properties and cheap vitamin C, vitamin Ok and zinc content material. Inexperienced peas even have anti-inflammatory properties and are useful for the center.

12. Prunes

Most fruits lack vitamin Ok, however prunes have an honest quantity of it. Prunes present 60mcg or 50% DV of vitamin Ok per 100 grams serving. Every prune is price 5.7 micrograms of vitamin Ok. Should you’re consuming half a cup or about 9 prunes, it equals 51.8mcg of vitamin Ok. You may merely add chopped items of prunes into salads or mix them in smoothies.

Prunes can restrict bone loss, thereby bettering bone density in postmenopausal ladies. As well as, it’s appropriate for digestion and coronary heart well being. Nonetheless, keep away from consuming massive quantities as they could trigger a laxative impact.

13. Kiwi

Kiwi is one other fruit with a wholesome quantity of vitamin Ok. It offers 40.3mcg of vitamin Ok per 100 grams of serving, making as much as 34% DV. You may eat it as it’s or incorporate it into salads, juices, and custards.

Talking of its well being advantages, kiwis are good for bone well being and averting heart problems. Along with vitamin Ok, kiwi additionally provides vitamin C and fibre. Furthermore, they’re appropriate for mobile restore and digestion, respectively.

14. Cashews

Cashews comprise a enough dose of vitamin Ok. 100 grams of uncooked cashews offers 34.1mcg of vitamin Ok, 28% DV. Due to this fact, consuming one ounce or 28.35 grams of cashews will guarantee 11% of vitamin Ok each day worth for ladies and eight% for males.

Cashews are filled with heart-healthy fat, and on the similar time, they’re low in sugar. Because of this, it’s a fashionable plant protein concerned in immunity, mind well being, and vitality manufacturing.

15. Pine Nuts

Consuming 100 grams of pine nuts provides you with 54mcg of vitamin Ok, 45% DV. One normal cup of dried pine nuts can provide 81% of vitamin Ok DV for ladies and 61% for males. The energy-boosting energy of pine nuts makes it a superb snack selection. Moreover, it’s a superfood that protects the center and offers a buttery flavour to your food regimen.

Vitamin Ok Deficiency

Vitamin Ok deficiency is uncommon as it’s extensively obtainable from the food regimen, and also you additionally get it from intestine micro organism. Nonetheless, it could occur when utilizing antibiotics, which inhibit vitamin Ok metabolism. It additionally happens in those that have a situation that causes malabsorption of meals and vitamins. Moreover, it’s a danger to individuals affected by gastrointestinal problems.

Vitamin Ok deficiency can be widespread in newborns as a result of it doesn’t move the placenta. By the way, breast milk comprises solely a minimal quantity. Due to this fact, if you don’t give newborns vitamin Ok dietary supplements, their blood clotting proteins deplete, growing their danger of bleeding.

The most typical signs of Vitamin Ok deficiency are:

  • Extended prothrombin time or an extended time for blood to clot
  • Osteopenia or osteoporosis
  • Haemorrhaging
  • Bleeding

Vitamin Ok: Well being Advantages 

Each vitamin K1 and vitamin K2 are important for total well being. The next are a few of the most well-known well being advantages of each types of vitamin Ok.

Vitamin Ok improves Bone Well being

Studies present that Vitamin Ok and Vitamin D work collectively to assist the physique metabolise calcium, vital for wholesome bones. Vitamin D is useful for calcium absorption within the small gut, and vitamin Ok aids within the accumulation of calcium within the bones, which retains them robust.

Vitamin Ok can be concerned in producing proteins in bone, together with “osteocalcin”, which helps forestall the weakening of bones.

Coronary heart Well being

The buildup of calcium within the arteries surrounding your coronary heart is a big reason for coronary heart illness. Because of this, something that may assist cut back calcium build-up is useful in stopping coronary heart illnesses. Vitamin Ok helps this by selling common calcium metabolism and stopping harmful calcium plaque build-up (arterial calcification) within the arteries, bettering coronary heart well being.

Blood Clotting

Vitamin Ok promotes the manufacturing of the protein prothrombin and osteocalcin required for blood clotting, permitting wounds to heal and wholesome bone tissue to type. Because of this, it additionally helps mitigate the consequences of blood-thinning medicines.

Vitamin Ok Maintains Blood Stress

When mixed with vitamin D, vitamin Ok helps decrease blood strain by inhibiting mineralisation or the buildup of minerals within the arteries. Because of this, the center can pump blood effectively all through the physique. 

Finest Methods to Eat Vitamin Ok

Vitamin K2 and Vitamin D

Vitamin D is one other fat-soluble vitamin that works intently with vitamin Ok to carry out numerous bodily features. These embrace regulating calcium metabolism for bone and coronary heart well being. Research signifies that Vitamin K2 boosts vitamin D absorption.

As soon as vitamin D transports calcium into your blood, K2 prompts the protein osteocalcin. It ensures that the protein works in your bones as an alternative of ending up in your arteries and inflicting potential coronary heart well being points. So, it’s best to take vitamin D dietary supplements with vitamin K2.

Vitamin Ok and Fat

The absorption of vitamin Ok from meals sources is about 20%. Nonetheless, when mixed with dietary fat, its absorption can improve. So, drizzle some hazelnut oil or olive oil into your favorite leafy inexperienced salads and curries.

Use Soybean Oil

Whereas cooking, attempt to use soybean oil to spice up the provision of vitamin Ok. It has a lot increased vitamin Ok than different oils. Due to this fact, it’s the easiest way so as to add vitamin Ok to your each day food regimen. For example, one tablespoon of soybean oil has about 25mcg of vitamin Ok.

Go For Combos

Meals is the easiest way to multiply your vitamin Ok consumption. As a substitute of making an attempt one vitamin Ok wealthy meals, pair it with different choices. For instance, including prunes, cashews, and kale to your salad offers extra advantages than consuming them individually. Craving noodles? Attempt spinach noodles with hen. All of it is dependent upon the way you pair the meals.

Vitamin Ok: Attainable Facet Results and Precautions

Not like different fat-soluble nutritional vitamins, vitamin Ok is definitely damaged down and eradicated by means of urine or faeces. Due to this, even at massive doses, it not often reaches harmful ranges within the physique; due to this fact, its toxicity just isn’t widespread.

Nonetheless, its toxicity pertains to its water-soluble nature. When toxicity does happen in infants, it manifests with indicators of jaundice and hemolytic anaemia. Moreover, different signs embrace hyperbilirubinemia and kernicterus.

Drug Interplay

Drugs aren’t all the time acceptable for everybody. Because of this, individuals present process particular medical remedies ought to keep away from utilizing vitamin Ok dietary supplements. Folks taking the next medicines also needs to seek the advice of a health care provider earlier than taking these dietary supplements.

  • Antacids
  • Antibiotics
  • Blood thinners
  • Aspirin
  • Medication for most cancers
  • Seizures stabilizing Medication
  • Medication for top ldl cholesterol

Goitre Danger From Meals Sources

You may abundantly get vitamin Ok by means of leafy veggies like collard greens. Being a member of the Brassica household, collard greens comprise goitrogens. They’re a kind of compound that may set off the chance of getting goitre. It might trigger irregular swelling of the thyroid gland. Therefore, individuals with thyroid dysfunction should keep away from consuming uncooked collard greens for vitamin Ok.  Nonetheless, steaming and boiling can decrease their goitrogen content material.


Vitamin Ok is a fat-soluble vitamin that the physique wants for correct blood clotting, robust bones, and cardiovascular well being. Due to this fact, it’s worthwhile to eat satisfactory vitamin Ok to operate accurately. It’s considerable in most meals merchandise, and a balanced food regimen will help forestall its deficiency. 

Darkish leafy inexperienced greens are one of the best supply of vitamin K1 or phylloquinone. You may also eat vitamin Ok sources and wholesome fat for optimum absorption. Nonetheless, sure circumstances, comparable to persistent illness and sure medicine, can intervene together with your ranges and result in well being points.

Often Requested Questions (FAQs)

Q. Does espresso have vitamin Ok?

A. No, espresso doesn’t have vitamin Ok. Nonetheless, a 100 g cup of espresso has 355 energy with 0 g complete fats and ldl cholesterol. It additionally has 277 mg sodium and 79 g carbohydrate, that are useful in your well being.

Q. What are the signs of low vitamin Ok?

A. Vitamin Ok deficiency is uncommon however can occur in individuals utilizing antibiotics or with the situation of malabsorption of vitamins. One of the crucial widespread vitamin Ok deficiency signs is bleeding or haemorrhage into the pores and skin, which produces bruises. These may happen within the nostril, from a minimize, within the abdomen, or within the gut. Urine or faeces can also embrace blood, or stools might grow to be tarry black.

Q. Who’s most in danger for vitamin Ok deficiency?

A. Vitamin Ok doesn’t move the placenta. Breast milk additionally comprises solely a minimal quantity. Therefore, all infants are at increased danger of bleeding from VKDB or Vitamin Ok deficiency till they begin consuming common meals. It normally happens at age 6-7 months till the conventional intestinal micro organism make vitamin Ok.

Q. What vitamin deficiency causes clots?

A. Vitamin Ok helps within the manufacturing of a number of proteins. These proteins are useful for blood clotting and bone formation. For instance, prothrombin is a vitamin Ok-dependent protein that performs a direct function in blood clotting.

Q. Which illness is triggered on account of lack of vitamin Ok?

A. Vitamin Ok deficiency bleeding (VKDB) is an issue that happens in individuals with low ranges of Vitamin Ok. Sadly, its deficiency also can result in poor bone improvement and osteoporosis. Moreover, it will increase the chance of heart problems.

Q. How can I improve vitamin Ok absorption?

A. Bioavailability of Vitamin Ok by means of food regimen is barely about 20%. Nonetheless, it’s a fat-soluble vitamin. Thus, combining it with dietary fat will help improve its absorption.

Q. Does vitamin Ok thicken or skinny the blood?

A. Vitamin Ok helps thicken the blood to type a clot and cease bleeding. Moreover, warfarin is a capsule that reverses the motion of vitamin Ok. Thus; they work towards one another in line with your state of affairs.

Q. Do you want vitamin Ok with vitamin D?

A. Vitamin D is a fat-soluble vitamin and helps transport calcium to blood. Vitamin Ok works intently with Vitamin D to manage calcium metabolism and prompts osteocalcin. This protein ensures that the calcium reaches your bones as an alternative of ending up in your arteries and inflicting plaque build-up or arterial calcification within the arteries.

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