Question 1

I see no specification of MK-4 in the product descrip or the photos of the container.  How do buyers know that this is MK-4?

Accepted Answer

Dahlia,            The active Vitamin K2 in thei product is indeed MK-4(menatetrenone)...MK7 is also an especially effective absorbable form of Vitamin K and some manufacturers blend Vit.K1 with the Vit.K2 but so long as you get K2 in softgel form and take it with some fat soluble meal you can rest assured that you will get the benefits of Vitamin K...Eggs are an especially good source of K2...Hope this helps.         Sincerely,         Ultimate Health

Question 2

Is this the cis or trans form of vitamin K2?

Accepted Answer

This product contains ONLY Vitamin K2 MK-4 (as menatetrenone).  This is not a mixture of K2 MK forms and there is no MK-7 in it.  The bottle does not indicate whether this is a mixture of cis, trans or even a single isomer. K2 trans forms appear to be the active form in humans, but I have read that whether they are ingested in the cis or trans form is simply "marketing hype."  Even K1 can be converted by gut micro-organisms into small amounts of K2.  Note that I am not a chemist and CANNOT CONFIRM THIS.

Question 3

what is the difference between vit k 1 and vit k 2?

Accepted Answer

Most studies in Vit K2 have been done with MK-4, not MK-7Author of Calcium Paradox recommends MK-7 only because she's Canadian and large doses of MK-4 are not possible by Canadian Law.There are certain studies that show that MK-7 does not have certain positive features as MK-4.There are many failed tests with MK-4 because the IDIOT researchers didnt use enough MK-4, or didnt use it with fats, or didnt have enough Vit D3 available in the blood, or magnesium levels were poor.With Vit MK-7, lots of people get heart palpitations. Read the reviews.Vit K1 = is for blood clottingVit K2 is to control calcium levels in soft tissue and blood and helps calcium go to he correct places (bones/teeth/gums)BTW/ one of higher concentrations of K2 reside in salivary glands in your mouth, 2nd to the pancreas.People can not convert K1 into K2 like Cows/Sheep can from the grass they eatVery little is converted.So we need supplements.Some people get this naturally either from fermented soy beans (MK-7) or from certain aged cheeses (MK-4)There are some non soy processes to get MK-7People take K2 for bone density issues and for cardio health (blood plaque removal and prevention)

Question 4

Is this Container Glass or Plastic?

Accepted Answer

It is a plastic bottle.

ASIN	B001LF39V0
ASIN	B001LF39V0
Age Range Description	Adult
Allergen Information	Soy Free
Best Sellers Rank	#34,286 in Health & Household ( See Top 100 in Health & Household ) #208 in Vitamin D Supplements #2,407 in Sales & Deals
Brand Name	Carlson
Color	No Color
Container Type	Bottle
Customer Reviews	4.8 4.8 out of 5 stars (802)
Date First Available	November 17, 2008
Diet Type	Gluten Free
Dosage Form	Capsule
Flavor	Unflavored
Global Trade Identification Number	00088395010002
Item Dimensions	6 x 5 x 4 inches
Item Form	Capsule
Item Highlight	Vitamin K Supplement; K2 Vitamin; Soy-Free; Vitamin K-2
Item Weight	0.04 kg
Item model number	P35331
Manufacturer	Carlson
Manufacturer	Carlson
Manufacturer Part Number	P35331
Model Name	Vitamin K2, MK-4 (Menatetrenone), Vitamin K Supplement
Model Number	P35331
Number of Items	1
Primary Supplement Type	Vitamin K2
Product Benefits	Heart Health
Product Dimensions	6 x 5 x 4 inches; 1.41 ounces
Special Ingredients	Vitamin K2
Specific Uses For Product	Health
UPC	885448706253 088395010002 767644508094 764442954818
Unit Count	60 Count

Carlson Vitamin K2 MK-4 (Menatetrenone), 5 mg, Bone Support, 60 Capsules | Vitamin K Supplement; K2 Vitamin; Soy-Free; Vitamin K-2

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