THORNE RESEARCH - Vitamin K2 Liquid - 1 fl oz

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List Price: $64.90
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I had to have orthodontic treatment as a child not once but twice, starting when I was in second grade and ending (except for my retainer) when I was thirteen. I still have a very narrow maxillary arch (upper jaw/palate), and am missing two incisors and my wisdom teeth because I just had no room for them. A common misconception even among medical professionals is that wisdom teeth are "vestigal," meaning we're evolving away from a need for them, but that simply isn't true. A person who has been properly nourished since the prenatal period will have room for all of his or her teeth, including the third molars. Unfortunately, I was not one of those lucky people, and neither are most folks in America today. The work of Weston A. Price, DDS has led to the discovery that vitamin K2, along with the other fat-soluble vitamins A (retinol) and D3 (cholecalciferol), is important to the development of the facial bones. If you do not regularly eat fish and bird eggs, animal organs, and grass-fed animal and dairy fat, you need this vitamin--especially if you want to have kids, and MOST especially if you have my type of facial deformities. Deformities which are no longer considered such because so many of us have them.

Also, if you are type 2 diabetic or suffer from metabolic syndrome, you should know that menatetrenone/menaquinone-4 (other names for this vitamin) is known to stimulate the production of the substance adiponectin by the fat cells. Adiponectin then goes on to increase insulin sensitivity all over the body. Metabolic syndrome and type 2 diabetes are effects of insulin resistance, which is *not enough* insulin sensitivity. You also need to eat a healthier diet, of course, but if you've been eating low-fat and low-animal-foods for years, and now your metabolism is messed up, this vitamin will probably help you.

All I know is, I've been taking this for several months now and I *feel* different. I also find that even though I don't always stay on the low-carb wagon, my weight goes down much more than it goes up. I would imagine my results would be even better if I kept my diet clean at all times. If you've been frustrated with your blood sugar control or your weight loss progress, this may be one more weapon to add to your arsenal. I will definitely be keeping this on hand for myself from now on.

For those who are kind of leery of taking liquid vitamins, never fear. The MCT oil in this formulation is nearly tasteless. I've been taking the drops straight by mouth and it doesn't bother me at all. (Don't actually put the dropper in your mouth or you'll contaminate the whole bottle.) You could certainly add it to a beverage or a food and you wouldn't taste it. Also, I have never taken the full 15-drop recommended dose, as that's over ten thousand times the recommended daily intake. I've been taking 5 drops a day, which is still high but with the health mess I was in, I probably needed it. I may cut back further to one drop a day when I get my new bottle since I also eat some cheese daily. We'll see how it goes. I also take 8000 IU of real vitamin A (from fish oil) and 5000 IU of vitamin D3 because they balance one another out. Just some data points in case anyone is interested.

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I've stopped going to the dentist for teeth cleaning altogether. Adding this vitamin K2 cleaned the calcified krud off the back of my lower front teeth in 2 days! Truly amazing! Now my teeth are smooth and clean all the time. I just brush my teeth once a day -and often I forget to do even that. I'm saving good money without the dentist 2x year.

I learned about it from Richard Nikolay at Free the Animal website. He wrote: "Well, the K2 is the only one I definitely "feel." . . . Within a few days, all plaque deposits on my teeth dissolved and have not returned. This has been a big issue, as I had gum disease and two surgeries about seven years ago. Since getting off grains (probably the gluten) my gum disease has reversed completely according to the dentist. And now, my teeth are virtually always smooth. I rarely feel the need to brush them."

So, I had to try it. And it worked.

The vitamin K2 is a hard to get vitamin, even if you eat the best pastured eggs, butter and organ meats. It's the 'X-Factor' that Dr. Weston A. Price discovered. It puts the minerals where they are supposed to go, instead of calcifying your arteries and joints and tartar on your teeth.

Be sure to get the MK-4 version of vitamin K2. The MK-7 is the plant derived form. In answer to one critic, the likely reason MK-4 doesn't hang around in the blood very long is because the body uses it up immediately. MK-4 is the form our body uses most readily. If you have concerns about this, google these two articles: Chris Masterjohn's "On the Trail of the Elusive X-Factor", and then look for Stephen Guyenet's blog post "Vitamin K2."

And even though this bottle costs alot up front, you only need several drops a day -so the bottle will last you all year.

NOTE: Read all of Richard Nikolay's blogs on this. Apparently, for this to work, you need good quality Fermented Cod Liver Oil, only made by Green Pastures. I have been on that kind of cod liver oil for years. Maybe that's why I had such a dramatic effect.

Bottomline: if we get all the nutrients we really need, our body should be clean and smell good -like all primitive people were.

I also stopped wheat completely (read Wheat Belly by William Davis) and bye-bye went bad breath and body odor. I only take a shower every 2 or 3 days. It is a great freedom.

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I can't say enough good things about Thorne's Liquid K2. It is the MK-4 type of K2, which is the MOST DIFFICULT to find, mainly because it's the most expensive to make (which is why you find ALL the manufacturers seriously "PUSHING" MK-7, which is easier and cheaper to produce), but MK-7 converts to K1 and K2, which is very, very BAAAAAD for someone on blood thinners (anti-coagulants)!!!!! MK-4 does not convert to K1, so it is MUCH safer.

If you are looking at this product, then you've either done your research on K2's (specifically from MK-4) beneficial impact on bone and cardiovascular health, or the American Diet's common deficiency in K2, or someone else has told you about it, so I'm not going to go into everything it has helped us with, but I will say it has made a big difference in our lives, and it's great to be able to find it in liquid form which makes it easy to take! I'm so happy to have found a source for it.

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I started Vitamin K-2,4 after reading the science behind its ability to direct supplemental calcium to the bones, teeth and nails not to the arteries! It was difficult to decide between K-2,4 and K-2,7. I chose K-2,4 because the preponderance of the research was performed using K-2,4. That said, K-2,7 is more readily available and far less expensive than K-2,4. Thorne is a reliable producer of K-2,4 and this product arrived without any cause for complaint.

The change in my skin was unexpected and absolutely amazing! My hands and forearms have little subcutaneous padding and I had resigned myself to constant bruising from even the slightest knock. Within three days of taking 25 drops/day I had NO MORE EASY BRUISING! My hands and forearms are free of bruises now and look far more youthful!

I don't know how my bones and teeth are doing, but my nails are growing in strong, shiny, and without ridges for the first time in decades.

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*****

Here is a side-by-side comparison of seven Vitamin K-2 supplements: Life Extension Super K with Advanced K2 Complex, Now Foods Vitamin K-2 (MK-4), Now Foods MK-7 Vitamin K-2, Jarrow Formulas MK-7, Nutrigold Vitamin K2 (MK-7) Gold, Solgar Natural Vitamin K2 (MK-7), and Thorne Research Vitamin K2 Liquid.

Vitamin K is an essential, fat-soluble vitamin that cannot be synthesized by the body, making supplementation necessary. Vitamin K is a group of three vitamins: Vitamin K1 (phylloquinone), Vitamin K2 (menaquinone), and Vitamin K3 (menaphthone). Vitamin K2 is usually found in meats, dairy, and egg yolks.

Vitamin K1 is involved in blood clotting. Vitamin K2 directs calcium into your bones and teeth instead of your arteries. I am on a Vitamin D3 regimen of 5000 I.U. daily and believe Vitamin K2 helps with the proper assimilation of that D3.

Unless it is properly directed, calcium can block arteries instead of going into your bones. This happens when calcium builds up in the blood vessels. Calcium also attaches to plaque. This can cause hardening of the arteries, heart attacks and strokes. Vitamin K2 helps calcium to go to the right places. Vitamin K2 directs calcium to go into your bones and teeth instead of your arteries. Recently published data on Vitamin K2 demonstrate its positive effect upon heart disease and bone metabolism.

Vitamin K2 includes several subtypes. The two subtypes most studied are MK-4 and MK-7. The most well studied of the menaquinones is MK-4. However, MK-7 is the most commonly derived form, probably because it is cheaper to manufacture than MK-4. MK-4 is the more difficult to find, probably because it is more expensive to manufacture than MK-7.

MK-7 remains present in the blood longer than MK-4. MK-4 remains detectable in your body for about 4 to 5 hours, whereas MK-7 remains detectable in your body for at least 4 days. Because of this, MK-4 is sometimes taken 2 to 3 times daily, whereas MK-7 need only be taken once daily.

MK-4 is found in animal based foods such as meat, chicken, cheese, egg yolks and butter.

MK-7 is found in natto, a traditional Japanese fermented soybean food which is produced by growing the MK-7 generating bacillus, natto, on the surface of cooked soybean. MK-7 is also found in certain fermented foods such as sauerkraut and kimchi. Kimchi is a traditional fermented Korean side dish made of vegetables with a variety of seasonings. MK-7 has the highest bioavailability and longest half-life in the blood. The longer half-life means MK-7 is available to support bone and arterial integrity for much longer periods than other forms of Vitamin K.

BREAKDOWN: Below is a breakdown of these supplements.

Life Extension Super K with Advanced K2 Complex (See, Life Extension Super K with Advanced K2 Complex Softgels, 90-Count)

Fat soluble

Not certified Kosher or Halal

$21.15 for 90 gel caps on Amazon

$30.00 for 90 gel caps from Life Extension

Recommended Serving: one gel cap

Cost per gel cap: $.24 (using Amazon's cost)

No soy

No GMOs

No cholesterol

Not vegetarian

Not enteric coated

One gel cap contains 1000 mcgs* of Vitamin K1, 1000 mcgs Vitamin K2 as MK-4, and 200 mcgs of Vitamin K2 as MK-7

Phone Number: (800) 226-2370

Manufactured in the U.S.A.

Ingredients: Vitamin K1 (as phytonadione), vitamin K2 (as menaquinone-4), vitamin K2 (as menaquinone-7), ascorbyl palmitate, extra virgin olive oil, gelatin, glycerin, beeswax, purified water, and carob color

Now Foods Vitamin K-2 (MK-4) (See, NOW Foods Vitamin K-2,100mcg, 100 Vcaps)

Fat soluble

Not certified Kosher or Halal

$9.99 for 100 gel caps on Amazon

Recommended Serving: one gel cap

Cost per gel cap: $.10 (using Amazon's cost)

No soy

No GMOs

No cholesterol

Vegetarian

Not enteric coated

One gel cap contains 100 mcgs* of Vitamin K2 as MK-4

Phone Number: (888) 669-3663

Manufactured in the U.S.A.

Ingredients: Vitamin K2 (as menaquinone-4), alfalfa (medicago sativa), cellulose (capsule), rice flour, maltodextrin, ascorbyl palmitate, and silica

Now Foods MK-7 Vitamin K-2 (See, Now Foods Vitamin K-2 (MK7) Veg Capsules, 100 mcg, 60 Count)

Fat soluble

Not certified Kosher or Halal

$12.99 for 60 gel caps on Amazon

Recommended Serving: one gel cap

Cost per gel cap: $.22 (using Amazon's cost)

Contains soy

No GMOs

No cholesterol

Vegetarian

Not enteric coated

One gel cap contains 100 mcgs* of Vitamin K2 as MK-7

Phone Number: (888) 669-3663

Manufactured in the U.S.A.

Ingredients: Vitamin K2 (as menaquinone-7), rice flour, cellulose (capsule), gelatin, ascorbyl palmitate, and silica

Jarrow Formulas MK-7 (See, Jarrow Formulas MK-7 (vitamin K2), 60 Softgels)

Fat soluble

Not certified Kosher or Halal

$13.29 for 60 gel caps on Amazon

Recommended Serving: one gel cap

Cost per gel cap: $.22 (using Amazon's cost)

Contains soy

No GMOs

No cholesterol

Not vegetarian

Not enteric coated

One gel cap contains 90 mcgs* of Vitamin K2 as MK-7

Phone Number: (310) 204-6936

Manufactured in the U.S.A.

Ingredients: Vitamin K2 (as menaquinone-7), medium chain triglycerides, evening primrose oil, and soybean oil. Softgel consists of gelatin, glycerin, water, and caramel (as a light barrier)

Nutrigold Vitamin K2 (MK-7) Gold (See, Nutrigold Vitamin K2 MK7 Gold (From Natto in Organic Olive Oil), 100 mcg, 120 softgels)

Fat soluble

Not certified Kosher or Halal

$21.65 for 120 gel caps on Amazon

$19.61 for 120 gel caps from Nutrigold

Recommended Serving: one gel cap

Cost per gel cap: $.18 (using Amazon's cost)

Contains soy

No GMOs

No cholesterol

Not vegetarian

Not enteric coated

One gel cap contains 100 mcgs* of Vitamin K2 as MK-7

Phone Number: (800) 476-3542

Manufactured in the U.S.A.

Ingredients: Vitamin K2 (as menaquinone-7), non-GMO organic olive oil, softgel bovine gelatin, non-GMO vegetable glycerin, and purified water

Solgar Natural Vitamin K2 (MK-7) (See, Solgar Natural Vitamin K2 (MK-7) 100 mcg Vegetable Capsules 50)

Fat soluble

Not certified Kosher or Halal

$13.94 for 50 gel caps on Amazon

Recommended Serving: one gel cap

Cost per gel cap: $.28 (using Amazon's cost)

Contains soy

No GMOs

No cholesterol

Vegetarian

Not enteric coated

One gel cap contains 100 mcgs* of Vitamin K2 as MK-7

Phone Number: (201) 944-2311

Manufactured in the U.S.A.

Ingredients: Vitamin K2 (as menaquinone-7), dicalcium phosphate, vegetable cellulose, vegetable magnesium stearate, and silica

Thorne Research Vitamin K2 Liquid (See, THORNE RESEARCH Vitamin K2 Liquid 1 fl oz [Health and Beauty])

Fat soluble

Not certified Kosher or Halal

$64.90 for one fl oz (30 mL) bottle on Amazon

Flavor: none (no taste)

18 month shelf life after opening

Don't have to refrigerate after opening

1200 drops per bottle

Recommended Serving = 15 drops 1-3 times per day

Cost per serving (15 drops) = $.54 (using Amazon's cost)

One drop contains 1000 mcgs* of Vitamin K2 as MK-4

No soy

No GMOs

No cholesterol

Vegetarian

Phone Number: (800) 228-1966

Manufactured in the U.S.A.

Ingredients: Vitamin K-2 (menatetrenone-4), medium chain triglyceride oil, and mixed tocopherols

OPINION: All seven are excellent Vitamin K-2 products, with some significant differences:

Thorne Research Vitamin K2 Liquid is a liquid. It is the most expensive of the seven products mentioned. One drop contains 1000 mcgs of MK-4. So, one serving consisting of 15 drops contains 15000 mcgs of MK-4. It does not contain soy. It does not contain GMOs. It does not contain ascorbyl palmitate. It is not certified Kosher. It is vegetarian.

Life Extension Super K with Advanced K2 Complex contains 1000 mcgs of Vitamin K1, 1000 mcgs Vitamin K2 as MK-4, and 200 mcgs of Vitamin K2 as MK-7. It does not contain soy. It does not contain GMOs. It contains ascorbyl palmitate. It is not certified Kosher. It is not vegetarian. This is considered a full spectrum Vitamin K, i.e., it is a combination of several forms of Vitamin K. It has at least two times more mcgs of MK-7 than the other five supplements. It has ten times more mcgs of MK-4 than Now Foods Vitamin K-2 (MK-4). It also contains 1000 mcgs of Vitamin K1 which the other five supplements don't have.

Now Foods Vitamin K-2 (MK-4) contains MK-4. MK-4 is less effective and slower at raising Vitamin K-2 levels in the bloodstream than MK-7. It does not contain soy. It does not contain GMOs. It contains ascorbyl palmitate. It is not certified Kosher. It is vegetarian. It includes alfalfa, which is a rich source of natural Vitamin K. MK-4 costs less than MK-7. It is less than half the price of Now Foods MK-7 Vitamin K-2. It is the least expensive of the seven products mentioned.

Now Foods MK-7 Vitamin K-2 contains MK-7. MK-7 is more effective and faster at raising Vitamin K-2 levels in the bloodstream than MK-4. It contains soy. It does not contain GMOs. It contains ascorbyl palmitate. It is not certified Kosher. It is vegetarian. MK-7 costs more than MK-4. It is more than twice the price of Now Foods Vitamin K-2 (MK-4).

Jarrow Formulas MK-7 has the least amount of MK-7 of the seven. It contains soy. It does not contain GMOs. It does not contain ascorbyl palmitate. It is not certified Kosher. It is not vegetarian.

Nutrigold Vitamin K2 (MK-7) Gold contains MK-7. It contains soy. It does not contain GMOs. It does not contain ascorbyl palmitate. It is not certified Kosher. It is not vegetarian.

Solgar Natural Vitamin K2 (MK-7) contains MK-7. It contains soy. It does not contain GMOs. It does not contain ascorbyl palmitate. It is not certified Kosher. It is vegetarian.

PRECAUTIONS: If you take a blood thinner like Coumadin® (warfarin), which works by inhibiting the effect of Vitamin K, the use of a Vitamin K supplement should be discussed with your doctor before you begin taking it, as changes in blood thinning may occur.

RECOMMENDATION: If I were to select one, it would be Life Extension Super K with Advanced K2 Complex because it is considered a full spectrum Vitamin K. It has two times more mcgs of Vitamin K2 as MK-7 than the other five gel cap supplements and ten times more mcgs of Vitamin K2 as MK-4 than Now Foods Vitamin K-2 (MK-4). It also contains 1000 mcgs of Vitamin K1 which the other four products don't have. Also, it contains neither soy nor GMOs.

However, Thorne Research Vitamin K2 Liquid, the only liquid in this group, is extremely potent, but it is very expensive. If for some reason you have a need for this kind of potency (one drop contains 1000 mcgs of MK-4) , Thorne Research Vitamin K2 Liquid might be a good choice.

RATING:

I rated Thorne Research Vitamin K2 Liquid, Life Extension Super K with Advanced K2 Complex, Now Foods Vitamin K-2 (MK-4), Now Foods MK-7 Vitamin K-2, Jarrow Formulas MK-7, Nutrigold Vitamin K2 (MK-7) Gold, and Solgar Natural Vitamin K2 (MK-7) five stars. In my opinion, they are all excellent products.

I have separately reviewed all of these supplements.

* 1000 micrograms (mcg) equal one milligram (mg).

Prices current as of 09/25/2013.