How long does vitamin K stay in the body? Vitamin K is fat-soluble, meaning it can stay in the body’s fat tissues for longer than water-soluble vitamins. It usually stays in the body for a few days to a few weeks.
The amount of time vitamin K stays in the body can vary greatly from person to person, depending on factors such as age, gender, diet, and overall health condition.
However, regular and adequate vitamin K intake from food sources is essential for blood clotting and general health.
Factor 1: Age
As we get older, our bodies start to absorb fewer nutrients from food. As a result, younger people may be able to absorb vitamin K faster than older people.
So, if you are getting older, you can expect vitamin K to last longer than younger ones.
Factor 2: Gender
Men and women metabolize substances differently. Some research suggests that women metabolize certain vitamin K forms more quickly than men, which could cause differences in retention time between men and women.
Factor 3: Diet
If you eat high-quality vitamin-K foods on a regular basis, you can expect your vitamin-K levels to stay high for longer than those who don’t.
Factor 4: Health condition
If you’re dealing with an infection or other health issues, your body may not have enough time to break down vitamin K.
This can result in vitamin K remaining in your body for an extended period of time.
Taking all of these factors into account, the average amount of time vitamin K remains in your body is about one week.
How Much Vitamin K Do I Need?
| Adequate Intakes for Vitamin K | ||||
| Age | Male | Female | Pregnancy | Lactation |
| Birth to 6 months | 2.0 mcg | 2.0 mcg | – | – |
| 7 to 12 months | 2.5 mcg | 2.5 mcg | – | – |
| 1 to 3 years | 30 mcg | 30 mcg | – | – |
| 4 to 8 years | 55 mcg | 55 mcg | – | – |
| 9 to 13 years | 60 mcg | 60 mcg | – | – |
| 14 to 18 years | 75 mcg | 75 mcg | 75 mcg | 75 mcg |
| 19+ years | 120 mcg | 90 mcg | 90 mcg | 90 mcg |
Can You Get Too Much Vitamin K?
According to research, toxicity to vitamin K is pretty rare. The only one that’s been reported is Menadione, but it’s not safe for humans.
It’s thought to be toxic because it’s water-soluble. When it does happen, it can cause jaundice, liver damage, hemolytic anemia, and in babies, kernicterus.
In most cases, however, taking too much vitamin K isn’t usually a problem, as we typically don’t take large amounts of vitamin K without intent.
Food Sources Of Vitamin K
- Kale
- Spinach
- Collard Greens
- Broccoli
- Brussels Sprouts
- Cabbage
- Asparagus
- Lettuce (romaine, leaf, and iceberg)
- Green Beans
- Parsley
A Word From GetMe Treated
How long does vitamin K stay in the body? As we previously said, Vitamin K can stay in the body for up to 2 weeks. But this depends on a number of factors such as age, gender, diet, and overall health condition.
FAQs Related To How Long Does Vitamin K Stay In The Body
How does the body get rid of vitamin K
Excreted in urine or stool
What happens to your body if you have too much vitamin K?
In babies, it is accompanied by symptoms such as:
- Jaundice
- Hyperbilirubinaemia
- Hemolytic anemia
- Kernicterus
What organ does vitamin K affect?
The liver
How long does vitamin K2 supplement stay in your system?
It stays approximately 72 hours
How long does it take vitamin K to thicken blood?
It begins to work within 6 to 10 hours and achieves peak performance within 24 to 48 hours.
What reverses vitamin K?
Phytomenadione (vitamin K1)
Which fruit is high in vitamin K?
- Kiwi
- Blackberries
- Blueberries
What disease does vitamin K prevent?
It prevents blood clotting issues
How much vitamin K is safe per day?
The recommended daily allowance (AI) for vitamin K for adults 19 years of age and older is 120 mcg (mcg) per day for men, and 90 mcg per day for women and pregnant or breastfeeding women.
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