Trial reportEuropean journal of clinical nutrition2016
Steady-state vitamin K2 (menaquinone-7) plasma concentrations after intake of dairy products and soft gel capsules.
Trial report in European journal of clinical nutrition, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.
Who cites it
6 citing papers in PubMed, 16 citations in OpenAlex.
- Review
- Vitamin K2 supplementation improves impaired glycemic homeostasis and insulin sensitivity for type 2 diabetes through gut microbiome and fecal metabolites.BMC medicine · 2023Article
- Nutrient-Optimized Beef Enhances Blood Levels of Vitamin D and Selenium among Young Women.Foods (Basel, Switzerland) · 2022Article
- Molecular Pathways and Roles for Vitamin K2-7 as a Health-Beneficial Nutraceutical: Challenges and Opportunities.Frontiers in pharmacology · 2022Review
- Bioavailability of Micronutrients From Nutrient-Dense Whole Foods: Zooming in on Dairy, Vegetables, and Fruits.Frontiers in nutrition · 2020Review
- Lactobacillus casei Zhang and vitamin K2 prevent intestinal tumorigenesis in mice via adiponectin-elevated different signaling pathways.Oncotarget · 2017Article
Corrections and comments
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Authors and funding
7 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundIn a previous human intervention study, we observed an improved vitamin K status after 8 weeks of intake of a yogurt that was fortified with vitamin K2 (as menaquinone-7, MK-7) and enriched with vitamins C and D3, magnesium and polyunsaturated fatty acids. It was hypothesized that the added nutrients contributed to this improvement. Here we report on a study in which we compared the fasting plasma concentrations of MK-7 from (a) yogurt enriched with MK-7, vitamins D3 and C, magnesium, n-3 poly unsaturated fatty acids (n-3 PUFA) and fish oil (yogurt Kplus), (b) yogurt fortified with MK-7 only (yogurt K) and (c) soft gel capsules containing only MK-7. SUBJECTS/
methodsFor 42 days, healthy men and postmenopausal women between 45 and 65 years of age daily consumed either yogurt K, yogurt Kplus or capsules. Circulating MK-7, 25-hydroxy vitamin D (25(OH)D) and markers for vitamin K status (uncarboxylated osteocalcin (ucOC) and desphospho-uncarboxylated matrix Gla-protein (dp-ucMGP)) were assessed. Plasma MK-7 was also measured during the washout period of 2 weeks. MK-7 and dp-ucMGP were measured in citrated plasma, and 25(OH)D3 and ucOC were measured in the serum.
resultsThe increase in plasma MK-7 with the yogurt Kplus product was more pronounced than the increase in MK-7 with the capsules. Circulating dp-ucMGP and ucOC were significantly lowered after consumption of the yogurt products and the MK-7 capsules, reflecting vitamin K status improvement. No significant differences in fasting plasma concentrations of various biomarkers between the yogurts were found.
conclusionsDairy matrix and nutrient composition may affect MK-7 delivery and improvement of vitamin K status. Yogurt fortified with MK-7 is a suitable matrix to improve the nutritional status of the fat-soluble vitamins.
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