Category: Nutrients
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K2 and D3
In a 2022 meta-analysis and systematic review, Zhou et al1 investigated the efficacy of vitamin K2 in preventing loss of bone mineral density. They had a good methodology, with inclusion and exclusion criteria. They looked at RCTs, and found some significant effects when osteoporotic women took vitamin K2. Their bone mineral density actually increased. In…
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Lima Beans
Lima beans (Phaseolus lunatus) are thought to have evolved into a distinct species about a million years ago in the Andes.1 They then went on to adapt slightly differently to the environment, for example elevation, in three different areas.1 Lima beans are thought to have been domesticated from this wild species independently by three different…
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Quercetin
Among the polyphenol phytochemicals found in blueberries, broccoli, onions, and green tea is the flavonoid quercetin (Li et al., 2021). Quercetin is also found in apples and grapes (Gugliandolo et al., 2020). Sanver et al. describe the structure of quercetin in a peer-reviewed primary article; they found that the different structures of different types of…
Northern Nutritionals 