SKU: 40650490321

Natural Factors Vitamin K2 100mcg - 120 Capsules

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Description

Natural Factors Vitamin K2 100mcg - 120 CapsulesNatural Factors Vitamin K2 features vitamin K2 as menaquinone 7 (MK 7), an advanced, fat soluble form of vitamin K that serves multiple functions in the body. Vitamin K2 plays a critical role in protecting the heart, as well as in building strong bones. As a director of calcium, vitamin K2 guides the mineral toward tissues where it is needed, such as bones, and away from tissues where it could have a negative effect, such as arteries. Only K2 in the

Natural Factors Vitamin K2 features vitamin K2 as menaquinone-7 (MK-7), an advanced, fat-soluble form of vitamin K that serves multiple functions in the body. Vitamin K2 plays a critical role in protecting the heart, as well as in building strong bones. As a director of calcium, vitamin K2 guides the mineral toward tissues where it is needed, such as bones, and away from tissues where it could have a negative effect, such as arteries. Only K2 in the form of MK-7 has been shown to offer 24-hour protection in a single daily dose. Other commercially available subtypes of K2, such as MK-4, only last four to six hours in the body and are required in much larger dosages to be effective.

The K family consists of a trio of vitamins: K1 (phylloquinone), K2 (menaquinone), and K3, a synthetic form of the vitamin. K3 has been shown to have toxic effects on the liver. While vitamin K1 is easy to obtain from green leafy vegetables, the bacteria in our intestines do not convert enough to K2 to help with atherosclerosis and osteoporosis. K2 is found in the diet in natto, a fermented soybean food popular in Japan, as well as in butter, meat, egg yolks, and organ meats from animals that are grass-fed rather than grain-fed. As grass-fed animal products are rare nowadays and a taste for natto is difficult to acquire for most Westerners, a vitamin K2 supplement is the best way to ensure you are getting an optimal daily dose of this important nutrient.

Most people will have difficulty meeting their daily requirement of vitamin K2 through diet alone. Natural Factors Vitamin K2 provides highly bioavailable MK-7, naturally derived from natto beans, in 100 mcg and 120 mcg strengths, making it easy to get more of this important nutrient.

  • Helps in the normal development and maintenance of bones and teeth
  • Helps guide calcium into bones
  • Inhibits the calcification of arteries and other soft tissues
  • Provides double-action support for bone and vascular health
  • Ideal to use alongside calcium and vitamin D supplementation
Shipping Notes
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Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
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SKU: 40650490321

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4.1 ★★★★★
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Verified Purchase
Jamie
West Palm Beach, US
★★★★★ 5
Durable, lightweight, dogs love em
Color: Purple
The most durable, perfect weight,all 3 dogs have the best time chewing them. Easy to unpack and carry around. All 3 dogs enjoy, this is my 2nd time purchasing in a year, they last about 6 months per purchase time
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Reviewed in the United States on May 17, 2026
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Michelle Tucker
Cuba, US
★★★★★ 5
Perfect for the aggressive chewer
Color: Purple
I purchased these because I have a 1-year-old black lab redbone coonhound mix who destroys every toy and Bone. I have gotten him in a short amount of time... These things have outstanded this little guy and he is still enjoying them! Keeps him occupied and satisfies his chewing for hours! And he leaves my shoes alone haha
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Reviewed in the United States on June 10, 2026
R
Verified Purchase
Riley Lee
West Palm Beach, US
★★★★★ 5
Best for all chewers!
Color: Purple, Color: Purple
I purchased in February and waited until ive had them long enough to make a justified review. I have a very VERY aggressive chewer. He destroys every toy he gets within minutes or a hour. We didnt expect much out of these but why not. Let me tell you... they only have small teeth dents. No cracks, no breaks, no chunks missing, none in the trash, no bleeding gums... nothing. My chewer loves them. First day he just stared at them like they were alien objects but after we played fetch a few times it was on!! Now all three dogs chewer on them. I would say im purchasing again but I dont know when that will be lol I highly recommend to anyone!! Photo is taken today 6/4/26
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Reviewed in the United States on June 4, 2026
D
Verified Purchase
Daniel
Phoenix, US
★★★★★ 4
My pit bull loves them.
Color: Purple
I picked up the Frienhund Tough Dog Toys 3-pack for my large, heavy chewer, and overall I’m pretty impressed. Right out of the box, the toys feel solid and well-made—definitely more durable than your average chew toy. My dog usually destroys new toys within a day or two, but these have held up significantly longer, which is a big win. They also do a great job of keeping him occupied. The shapes and textures seem to keep his interest, and I’ve noticed less destructive chewing on furniture since introducing these. That alone makes them worth it. The only reason I’m giving 4 instead of 5 stars is that while they’re very tough, they’re not completely “indestructible” (despite the claim). After a couple of weeks of heavy use, there are some visible wear marks. Still, compared to most other toys we’ve tried, these last much longer. Overall, a great option for medium to large dogs that are aggressive chewers—durable, engaging, and a solid value for a 3-pack.
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Reviewed in the United States on April 17, 2026
A
Verified Purchase
Ashleigh
Lexington, US
★★★★★ 5
Great Toys for Chewers
Color: Purple
Love these dog toys, they are so well-made and keep my Golden Retriever busy for hours. The variety of sizes is nice too, they aren’t heavy at all, but they sure hold their shapes , even with the constant chewing. The price was very reasonable, too.
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Reviewed in the United States on June 7, 2026

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