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There are 55 published clinical (human) studies on K2 according to a Pubmed search. Best to our knowledge, all of them are sponsored and published by academia bodies, not private companies. Some of our competitors provided technical assistance and free placebo and active samples in some of these studies (Collaborators). Please see the list of clinical trials with their sponsors and collaborators from this reliable source.
The results of these studies are copyrighted, however quoting small sections that are directly relevant to something one is writing about is acceptable under Fair Use, as long as one provides an appropriate citation. Summarizing and quoting from a medical article in a news article (Commentary, Criticism, “transformative”purpose) is considered a fair use according to this source.
All human clinical studies were designed and performed on Menaquinone-7 chemical compound which does not differ in terms of bioavailability or safety profile regardless if obtained through organic synthesis or biochemistry (industrial fermentation). Vitamin K2 offered in the market differs only in terms of purity offered and presentation oil, powder, microcapsule.
We encourage all our clients to produce educational content based on the available study results and fair use policy. In case of advertising of a specific brand, use of third-party study results is prohibited.
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TITLE
Vitamin K2 (menaquinone-7) increases plasma adiponectin but does not affect insulin sensitivity in postmenopausal women: a randomized controlled trial.
AUTHORS
Ronn SH, Harslof T, Pedersen SB, Langdahl BL
CATEGORY
Postmenopausal Women
DATE
Nov 2021
KEYWORDS
insulin sensitivity, menaquinone-7, postmenopausal women, vitamin K2
PUBMED LINK
TITLE
Low-Dose Daily Intake of Vitamin K(2) (Menaquinone-7) Improves Osteocalcin gamma-Carboxylation: A Double-Blind, Randomized Controlled Trials.
AUTHORS
Inaba N, Sato T, Yamashita T
CATEGORY
Postmenopausal Women
DATE
Jan 2015
KEYWORDS
bone health, menaquinone-4, menaquinone-7, phylloquinone, postmenopausal women, vitamin K1, vitamin K2
PUBMED LINK
TITLE
Low-dose vitamin K2 (MK-4) supplementation for 12 months improves bone metabolism and prevents forearm bone loss in postmenopausal Japanese women.
AUTHORS
Koitaya N, Sekiguchi M, Tousen Y, Nishide Y, Morita A, Yamauchi J, Gando Y, Miyachi M, Aoki M, Komatsu M, Watanabe F, Morishita K, Ishimi Y
CATEGORY
Postmenopausal Women
DATE
Mar 2014
KEYWORDS
bone loss, bone metabolism, bone mineral density, menaquinone-4, postmenopausal women, vitamin K2
PUBMED LINK
TITLE
The effect of menaquinone-7 supplementation on circulating species of matrix Gla protein.
AUTHORS
Dalmeijer GW, van der Schouw YT, Magdeleyns E, Ahmed N, Vermeer C, Beulens JW
CATEGORY
Postmenopausal Women
DATE
Dec 2012
KEYWORDS
carboxylation of MGP, menaquinone-7, vitamin K2
PUBMED LINK
TITLE
Olive oil supplemented with menaquinone-7 significantly affects osteocalcin carboxylation.
AUTHORS
Bruge F, Bacchetti T, Principi F, Littarru GP, Tiano L
CATEGORY
Postmenopausal Women
DATE
Oct 2011
KEYWORDS
menaquinone-7, olive oil, vitamin K2
PUBMED LINK
TITLE
Possible site-specific effect of an intervention combining nutrition and lifestyle counselling with consumption of fortified dairy products on bone mass: the Postmenopausal Health Study II.
AUTHORS
Moschonis G, Kanellakis S, Papaioannou N, Schaafsma A, Manios Y
CATEGORY
Postmenopausal Women
DATE
Jul 2011
KEYWORDS
bone mineral density, calcium, menaquinone-7, phylloquinone, postmenopausal women, vitamin D3, vitamin K1, vitamin K2
PUBMED LINK
TITLE
The effect of menaquinone-7 (vitamin K2) supplementation on osteocalcin carboxylation in healthy prepubertal children.
AUTHORS
van Summeren MJ, Braam LA, Lilien MR, Schurgers LJ, Kuis W, Vermeer C
CATEGORY
Postmenopausal Women
DATE
Oct 2009
KEYWORDS
bone health, menaquinone-7, vitamin K2
PUBMED LINK
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