Follow your doctor’s orders – Monterey Herald

Ann Ok., who reads this column within the Monterey Herald writes:

Dear Barbara,

I learn your column on vitamin Ok. I’m a 75-year-old girl who takes warfarin every day due to an arterial clot. I’ve been instructed to not take vitamin Ok. Can I take vitamin K2 for bone well being and never fear about it having an antagonistic influence on my INR or inflicting clotting? Thanks on your response.

Dear Ann,

First, I’d observe your medical supplier’s orders as she or he is aware of your full medical situation significantly better than I do. That mentioned, right here is extra data on vitamin K2, often known as menaquinone (MK). Various variations of vitamin K2 embody MK-4, 7 or 9.

As I discussed in a earlier column, vitamin Ok (which incorporates K1 and K2 sorts) is critical to assist our blood clot usually — which turns out to be useful after we are injured to forestall us from bleeding to demise.

Warfarin has the other impact on blood clotting. It helps skinny the blood to forestall harmful blood clots as a result of sure medical circumstances.
Here’s the catch: vitamin Ok is an important nutrient that our our bodies require for regular functioning. In different phrases, we want a specific amount of vitamin Ok, which incorporates K1 in addition to K2. The present Adequate Intake (AI) set by the Institute of Medicine is 90 micrograms (mcg) a day for girls and 120 mcg a day for males.

A current (2021) research in wholesome volunteers (folks not taking warfarin or different blood thinners) discovered that vitamin K2 supplementation didn’t intrude with regular blood clotting mechanisms.

However, it’s a special story for these like your self who take a drugs equivalent to warfarin to forestall blood clots. Experts warning you not to take additional doses of vitamin Ok from dietary supplements as a result of sudden modifications in vitamin Ok intakes can intrude with how this medication works. So it’s greatest, if you’re on blood thinners, to keep away from all types of vitamin Ok dietary supplements, together with vitamin Ok-2. Even low doses have been discovered to considerably have an effect on the actions of anticoagulant medicines.

All isn’t misplaced, nevertheless. Remember that vitamin Ok-2 is synthesized in our guts by the nice micro organism, Lactobacillus. Include fermented dairy meals equivalent to yogurt in your weight-reduction plan together with meals excessive in dietary fiber equivalent to fruits, greens and complete grains to feed these good intestine bugs. Vitamin K2 can be present in cheese, egg yolk and meat. A 1-ounce slice of Munster cheese incorporates about 22 mcg. And a 3.5-ounce serving of rooster incorporates 10 mcg of vitamin K2. Interestingly, animal-based meals are higher sources of vitamin K2 (aside from natto, a fermented soybean meals) whereas plant meals equivalent to inexperienced leafy greens are larger in vitamin K1.

Best recommendation, then, is to observe physician’s orders and keep away from vitamin K2 dietary supplements. And don’t make sudden modifications within the meals you eat with out first telling your medical crew.

Barbara Quinn-Intermill is a registered dietitian nutritionist and diabetes care specialist affiliated with the Community Hospital of the Monterey Peninsula. She is the writer of “Quinn-Essential Nutrition: The Uncomplicated Science of Eating.” Email her at [email protected]

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