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Research indicates an important role for vitamins D and K together in modulating immune responses and potentially reducing inflammation-related diseases.

Vitamin D plays a regulatory role in bone formation, carbohydrate metabolism, immune responses, and cardiovascular regulation. Research has linked vitamin D deficiency to the development of diabetes mellitus, hypertension, cancer and osteoporosis. Vitamin K has been associated with a reduced risk of osteoporosis, cancer, and cardiovascular disease (due to improved vascular elasticity). mVitamin D is involved in cancer prevention, brain development, mitochondrial energy generation, and cellular functions. respiratory and antioxidants. Vitamin K2 in the form of MK-7 has been shown to be a bioactive compound to regulate osteoporosis, atherosclerosis, diabetes, obesity, cancer, inflammatory diseases and covid-19.

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https://www.tandfonline.com/doi/abs/10.1080/10408398.2021.1910481 (2022).--

https://www.taylorfrancis.com/chapters/edit/10.1201/9781003414025-2/vitamins-nutraceuticals-cancer-tushar-lokhande-komal-valve-subhash-shinde-khemchand-surana-ganesh-chaturbhuj (2024).- -

https://www.sciencedirect.com/science/article/abs/pii/B9780323913386000422 (2024).--

https://www.tandfonline.com/doi/full/10.2147/JIR.S445806 (2024).--

https://www.rupahealth.com/post/the-science-behind-taking-vitamin-d-and-k-together-for-enhanced-health-outcomes (2024).---

Vitamin D exerts growth inhibitory effects on triple negative breast cancer (TNBC) cells that are complemented by simultaneous exposure to vitamin K2 (menaquinone-4) with cell cycle arrest, differentiation, apoptosis-

https://www.sciencedirect.com/science/article/abs/pii/S0960076023000626 (2023).---

K2 supplementation is effective for the growth and metastasis of multiple cancer cell lines. Studies have shown that vitamin K2 can exhibit anti-cancer activity in various cancer cell lines, including leukemia, lung cancer, ovarian cancer, prostate cancer, hepatocellular cancer and bladder cancer.

https://www.spandidos-publications.com/10.3892/ijo.23.3.627 (2018).---

https://www.sciencedirect.com/science/article/abs/pii/S0899900718306300 (2019).--

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https://www.nature.com/articles/s41598-020-64880-x (2020).--

https://www.sciencedirect.com/science/article/pii/B9780128119075000270 (2020).--

https://www.tandfonline.com/doi/full/10.2147/JIR.S445806 (2024).--

Phylloquinone (vitamin K1) and menaquinones (vitamin K2 family) are essential in various physiological and pathological processes, including cancer. Vitamin K intake has been inversely associated with cancer incidence and mortality in observational studies. Functions include steroid and xenobiotic receptor activation and regulation of oxidative stress, apoptosis, and autophagy.

https://www.sciencedirect.com/science/article/abs/pii/S1471491422001824 (2022).---

In this review, vitamin K2-7 has beneficial health effects in osteoporosis, cardiovascular diseases, inflammation, cancer, Alzheimer's disease, diabetes and peripheral neuropathy. .

Furthermore, K2-7-mediated growth suppression in cancer cells through cell cycle arrest, autophagy and apoptosis, being also responsible for the suppression of pro-inflammatory mediators.

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9237441/ (2022).---

In this study, it was shown that vitamin K consumption is inversely related to the risk of lung cancer.

https://www.jstage.jst.go.jp/article/jea/advpub/0/advpub_JE20220063/_article/-char/ja/ (2023)

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