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Vitamin K Questions

Vitamin K

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by 10920 · March 17, 2014 at 08:43 PM

Is there any known dose of oral vitamin k which is toxic and if so at what dose does this occur and what are the symptoms?

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CDone 0 · March 16, 2014 at 11:34 PM

I'm sure you googled it and looked at the second result, but if not.... Given the strong track record of safety, the National Academy of Sciences did not choose to establish a Tolerable Upper Intake Level (UL) for vitamin K. Further... (more)

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by 10920 · February 06, 2014 at 01:40 PM

Aspirin is a first line of defense against secondary prevention for heart disease and new research is showing promising potential between Aspirin and a Plethora of cancers. Aspirin is a relatively safe and cheap drug with few known side... (more)

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YLBody 0 · February 06, 2014 at 12:22 AM

Aspirin and coumadin have two separate functions. Coumadin is an anticoagulant where vitamin K is the antidote and we give it quite frequently. Vitamin K would work by making one of your coagulation pathways more "clotable." Aspirin... (more)

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by 5 · September 10, 2013 at 01:57 AM

I have been reading up on vitamins and wasn't aware that the vitamins that most people purchase are synthetic vitamins derived from other things and therefore are pretty much useless. I keep hearing about supplementing with K2 or supplementing... (more)

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Matt_11 0 · September 10, 2013 at 01:55 AM

Many vitamins are not a single molecule, but a number of related molecules that have similar function. B12 is a good example, you can have methyl-B12, cyano-B12, hydroxy-B12, or adenosyl-B12. They all get converted to active B12 in the body,... (more)

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by 3 · May 14, 2013 at 01:53 AM

Lots of K2 supplements say they are "soy-free". But if you dig deeper, you'll find they're almost all DERIVED from soy -- the soy is supposedly all processed out. I don't believe this, because of how sick I got from taking a tobacco-derived K2. ... (more)

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fluffy_1 0 · May 14, 2013 at 01:53 AM

I'm ridiculously allergic to most common allergens, including soy and dairy. I think I'm going to try making dairy-free kefir.

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by 12607 · April 05, 2013 at 09:39 PM

I stumbled on a neat study today: "A Mediterranean Diet Enriched with Olive Oil Is Associated with Higher Serum Total Osteocalcin Levels in Elderly Men at High Cardiovascular Risk" Compared to a low fat control diet, a Mediterranean diet with... (more)

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Mscott 0 · April 05, 2013 at 09:39 PM

Okay so I'm going to answer my own question here. One of the main olive oil polyphenols, oleuropein, may affect osteocalcin levels, but mostly results are mixed or not supportive of this. As far as olive oil itself it may increase osteocalcin but... (more)

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by 3277 · February 18, 2013 at 01:04 PM

I'm trying to eat more greens. When I entered my 4oz of raw Kale into cronometer.com, I was surprised that it showed 666% Vitamin K. That number scared me (for several reasons). Thoughts? And: If I'm eating 4oz of Kale, is there any need for... (more)

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Anondson 0 · February 18, 2013 at 12:16 AM

The RDA is the minimum, not the upper limit. There is no recognized upper limit for Vitamin K yet.

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by 571 · February 16, 2013 at 11:07 PM

I've been supplementing with 5000 IU D3 and just read at The Daily Lipid that D may calcificate your soft tissues if you don't have enough A and K. So, should I start drinking cod liver oil for A (I hate liver) and supplementing with K? According... (more)

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Stephen_4 0 · February 16, 2013 at 10:22 PM

K2 is what you want to decrease calcification risks.

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by 311 · February 13, 2013 at 02:52 PM

I need to up my vitamin K intake. Am already eating tons of kale and spinache ( and other green leafies) but that's only taking care of my K1. I'm mostly interested in mk4 of the K2 actually. And as far as I know goose liver ranks highest in terms... (more)

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Jan_1 0 · February 13, 2013 at 02:52 PM

Burbot liver also has high K content, not sure how much of it is K2 tho. Its also very rich in vitamin D, more than cod liver.

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by 12607 · November 22, 2012 at 05:53 PM

I was reading an article about the role bones may have in regulating insulin and blood sugar: "The research, published in the August 10 issue of Cell, demonstrates that bone cells release a hormone called osteocalcin, which controls the... (more)

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Mscott 0 · November 22, 2012 at 05:53 PM

I stumbled on a neat study that further supports this theory: "To summarize, we have demonstrated for the first time that vitamin K2 supplementation for 4 weeks increased insulin sensitivity in healthy young men, which seems to be related to... (more)

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by 850 · March 28, 2012 at 09:26 PM

I'm trying to start a low FODMAPs diet to try to help improve my gut health. My vegetables will mainly consist of collards, kale, spinach and swiss chard. I noticed these have large amounts of Vitamin A and K. Can this cause any problems? I'm also... (more)

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Matt_11 0 · March 28, 2012 at 08:13 PM

Beta carotene, as found in plants, does not cause hypervitaminosis A. We only convert what beta-carotene we need to vitamin A. You might start to turn orange from all the beta carotene though. See: http://en.wikipedia.org/wiki/Beta-Carotene (more)

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by 198 · April 23, 2012 at 03:03 AM

I was wondering of anyone had any recommendations for good Vitamin K supplements available in the UK? I am starting to research in the area of bone density (I am a lady who has reached certain age where these things become important!) and would... (more)

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jgsupplements 0 · April 23, 2012 at 03:03 AM

Yes I think,Vitamin K2 is a fat soluble vitamin K analouge that plays a role in bone metabolism. Vitamin K2 is also known as menaquinone. Vitamin K2 can exist in many forms in natural, but the two most common are menaquinone 4 (MK4) and and... (more)

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by 2209 · May 10, 2012 at 02:22 PM

The closest thread I've found along this line is here, which I'd like to piggy-back on for my own question: Is the vitamin K in cucumbers and/or pickles K1 or K2? I recently started using the downloadable version of CRON-o-meter (which I really... (more)

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primallykosher 0 · March 01, 2012 at 04:47 AM

I love pickles. I hope they have some hidden nutritional value.

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by 1776 · January 26, 2012 at 07:41 PM

what would be the current best practices for an individual looking to optimize their fat soluble vitamin intake? what are the best blood tests? would you start with knowing d levels and then tweak a & k based on d? i hear an a:d ratio of... (more)

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Dragonfly 0 · January 26, 2012 at 07:41 PM

I go by how I feel. I do get my D tested once a year and simply make sure I eat a variety of animal foods so I get a reasonable supply of A & K (liver and pastured butter do the trick!) I also supplement 200-400 mg of Magnesium citrate.... (more)

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by 4888 · February 23, 2012 at 10:54 PM

My partner and I had supper last night with friends. Desert was a pomegranate and prosecco jelly - large, and the arils of a whole pomegranate in each. Delicious. This morning I checked on google the nutritional profile of Pomegranate and I was... (more)

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raydawg 0 · December 22, 2011 at 06:58 PM

No fruit is essential, but this is one of the good guys, so have at it. Much better than apples or bananas.

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by 8883 · September 20, 2012 at 08:06 AM

I was diagnosed with a severe vitamin D deficiency after a harsh winter (slept during the day because I participated in a contest to win a car. I won the car, I lost my health, and basically all the rest too) : my level was 9. I know there's A... (more)

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Dragonfly 0 · August 14, 2011 at 10:04 AM

Lots of great info at the Vitamin D Council. My n=1 experience was that supplementing a bit over the suggested maintenance dose of 1,000 IUs of D3 per 25 lbs of body weight got me up to high sufficiency in a year. I took 8,000 IUs. Less would... (more)

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by 77322 · February 23, 2012 at 11:13 PM

Is there any new knowledge on vitamin K1 and K2 and derivates. MK7 MK8... What are good source for Vitamin K? Organ meat, butter... Is there source which are more uncomon. Maybe like insect bugs, fermented foods, exotic foods from remoted areas... (more)

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none 0 · July 01, 2011 at 04:29 PM

Bone marrow, testes

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by 10 · May 17, 2011 at 12:23 PM

what is the best way to get a good balance of vitamins A, D (D3?), K (K2)? should I just go with fermented CLO/butter oil or should I supplement them all separate to avoid the high omegas? I know ideally I would be getting D3 from the sun, and A... (more)

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Rhubarb 0 · May 17, 2011 at 12:23 PM

Okay, an important point here, fermented CLO is food. It's not what we usually think of as a supplement that has been designed in a lab and pressed together my machines from synthesized vitamins and binders. If you have true fermented CLO, that... (more)

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by 4275 · May 24, 2013 at 08:30 PM

I’ve not been able to find much information on blood thinness/ thickness in a paleo capacity and I’m very interested. I’d imagine a Paleo lifestyle would encourage thicker blood (so bleeding caused by injuries would clot and you wouldn’t bleed to... (more)

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Megaman 0 · May 24, 2013 at 08:30 PM

I found that taking ginko biloba and omega 3 will thin out your blood. I'm healthy and I feel like I'm in good spirits. I notice the difference in my thinking, mood, and overall health. I take about 500 mg divided 3x/day. I take 1000 mg of... (more)

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by 5216 · February 23, 2012 at 11:20 PM

Perhaps, my google skills fail me but I can't find an average for how much K2 is in grass-fed butter. Anyone know? EDIT: If K2 levels are as low as they seem, is supplementation a good idea?

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Katherine 0 · March 06, 2011 at 10:39 AM

I knew I'd stumbled across information regarding the K2 content of foods somewhere in Stephen's blog. A good 30 minutes of digging and I've finally found it. See the link for a more readable format of the listed values or better yet, head to the... (more)

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by 387 · February 23, 2012 at 11:10 PM

Any ideas on whether vitamin K survives freezing of food and then cooking it on medium heat (like veggies in a stew)?

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Travis_Culp 0 · March 04, 2011 at 08:53 PM

K1 appears to survive cooking at least just fine: http://nutritiondata.self.com/facts/vegetables-and-vegetable-products/2926/2 K2 is going to be more from butter, eggs, natto etc. rather than vegetables. (more)

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by 5852 · October 29, 2013 at 06:14 PM

I Noticed lately that on days I supplement Magnesium, Potassium and Vitamin K, My skin gets really dry. Does anyone know if that is a symptom of too much of any of the above. For reference, the Vit K is a K2 complex 2100mcg, the mag is chelated... (more)

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Defconfigueroa 0 · October 29, 2013 at 06:11 PM

@ Todd. Super dry skin. I just started taking magnesium about 3 days ago. The pills called for 500mg of magnesium daily 1 capsule. On the first day, I took 1 pill and I was fine. I felt great. But the second day, I took one pill in the morning... (more)

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by 410 · October 07, 2012 at 07:03 PM

I’ve been reading about healing tooth decay with a high vitamin/mineral diet as I‘ve just been to the dentist and got the bad news that I have a cavity! I was pretty surprised as I rarely get cavities (even after skipping on the dentist for 5... (more)

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dzone 0 · October 07, 2012 at 07:03 PM

Healing Tooth Decay: Cod Liver Oil/Butter, Xylitol, Spry Gel & Tooth Powder http://daiasolgaia.com/?p=74 and Paleo-Plus Dental Healing & Health Diet Recommendations http://daiasolgaia.com/?p=2892 good luck! (more)

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by 149 · January 02, 2011 at 11:25 PM

Who here takes Vitamin K supplements? How much and which brand?

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Paleo_Seb 0 · December 29, 2010 at 04:00 AM

I take Life Extension's advanced K2 along with 5,000 IU of D3 almost every day (when I don't forget). I think it's important to remind ourselves that K2 and K are not the same thing at all and you won't get k2 in your diet by eating greens. (more)

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by 149 · February 22, 2012 at 04:07 AM

Has anyone noticed a difference in their blood clotting time after going Paleo? Mine seems to take longer nowadays even though I take a 1mg Vitamin K drop daily.

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dzone 0 · November 14, 2010 at 05:17 PM

Why are you taking Vit K? You do realize that this vitamin aids in the body's ability to clot, thereby increasing clotting time. It is found in leafy green vegetables, avocados and kiwis. All these foods are obviously paleo-friendly, so perhaps... (more)