Vitamin D3 Und K2 Testsieger (2023)

FAQs

Is vitamin K2 really necessary with vitamin D3? ›

Taking Vitamin D3 with Vitamin K2 helps to ensure the calcium transported by the Vitamin D is absorbed by your bones where it's needed, rather than accumulating in deposits in your arteries. Many readily-available Vitamin D products on the market don't contain K2.

Vitamin D & K2 combination side effects

Due to the role of vitamin K in blood clotting, those taking blood thinning medications are advised to avoid supplementation, as vitamin K might reduce the drug's effect.

Serious side effects of K2 Plus D3

Signs of an allergic reaction, like rash; hives; itching; red, swollen, blistered, or peeling skin with or without fever; wheezing; tightness in the chest or throat; trouble breathing, swallowing, or talking; unusual hoarseness; or swelling of the mouth, face, lips, tongue, or throat.

Not getting enough vitamin D is a common problem, but over-supplementation can also hurt your health. And too much of its partner vitamin K can be harmful, too.

In the absence of vitamin K2, calcium circulating in the body that has been absorbed from food by vitamin D is also deposited in the soft tissues of the body and in the arteries, leading to arterosclerosis. Vitamin D3 should therefore always be taken in combination with vitamin K2.

Increasing one's intake of vitamin D without enough vitamin K can cause an increase in calcium levels without the ability to use it effectively, which raises the risk of depositing calcium in arteries and soft tissue. This is dangerous because it can lead to heart disease, heart attack and even stroke.

Vitamin K2 Side Effects

Constipation or diarrhea. Loss of appetite or bad taste in your mouth. Nausea, heartburn, or upset stomach.

If you suffer from high blood pressure or have naturally high blood plasma volume levels, vitamin K-2 supplementation may increase your risk of developing hypertension and cardiovascular disease due to an over-thickening of your blood.

For adults a daily intake of between 100-300 mcg vitamin K2 is recommended. Furthermore, it should be taken with vitamin D3 as both these vitamins are reported to have synergistic effects, inhibiting the osteoclast cells which are responsible for bone resorption.

tl;dr. There's no set time of day that's best to take vitamin D supplements. Some people say taking vitamin D supplements at night is an insomnia risk. There's no research to confirm this, but you might want to take your supplement earlier in the day if you think it's screwing with your sleep.

When should I take K2 and D3 morning or night? ›

Vitamin D3 and K2 are best taken together for optimal absorption, and supplementing them with breakfast or lunch is ideal because this is when your body would be synthesizing D from sun light. E is fine to take at any point throughout the day. Magnesium is ideal if taken at night as it can aid with digestion and sleep.

Vitamin K2 is important for directing calcium to the bone; without vitamin K2 it is thought that excess calcium gets deposited in plaque buildup in the arteries. Vitamin K2 is only one of several very important co-nutrients that work in conjunction with vitamin D.

Taking a Vitamin D3 supplement without K2 can have disastrous effect, as Vitamin D creates need for Vitamin K2 in the body. As a guide, you should take 45mcg of Vitamin K2 per 1000 IU of Vitamin D3.

If you are supplementing with Vitamin D3, it is imperative you have enough magnesium to activate it. Vitamin D3 (which is actually a hormone) will remain in your fat cells until it has enough magnesium to be utilized. You can find more information on this topic by clicking here.

Our bodies need calcium to build and maintain bones. When it breaks down calcium in our bodies, vitamin K2 activates a protein that helps the mineral bind to our bones to do its job. While research is ongoing, studies show a higher K2 intake improves bone density and reduces the risk of bone fractures.

Unlike water-soluble vitamins, fat-soluble vitamins – vitamin A, vitamin D3, vitamin E, and vitamin K2 – need a source of fat to support absorption. As such, you need to take them with a fat-containing meal or snack.

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

Vitamin D3 and K2 are best taken together for optimal absorption, and supplementing them with breakfast or lunch is ideal because this is when your body would be synthesizing D from sun light. E is fine to take at any point throughout the day. Magnesium is ideal if taken at night as it can aid with digestion and sleep.