#NutritionalScience

In an age where many health-conscious individuals seek ways to enhance nutrient intake, the role of vitamin B12 in maintaining vital bodily functions has never been more evident. With a staggering 12.5% of the U.S. population aged 19 or older deficient in this crucial vitamin, timely consumption of B12 is gaining attention, particularly among groups like older adults, vegetarians, and people with digestive disorders. Recent insights suggest that the time you take your B12 supplement can play a pivotal role in its efficacy, illuminating an often overlooked facet of nutritional science.

In a groundbreaking study, researchers from the Jean Mayer USDA Human Nutrition Research Center on Aging at Tufts University have uncovered that vitamin K, commonly associated with blood clotting, plays a crucial role in maintaining brain health, especially as we age. This discovery highlights the importance of a diet rich in green, leafy vegetables such as spinach, kale, and broccoli, which are abundant sources of vitamin K.

The study focused on the hippocampus, a brain region essential for learning and memory, and utilized middle-aged rodents to determine how a diet deficient in vitamin K affects cognitive function over six months. The researchers centered their analysis on menaquinone-4, a prevalent form of vitamin K in the brain. Significant alterations in both behavior and brain structure were observed in mice lacking this nutrient.

At one time or another, many of us have opened our refrigerator to face a carton of eggs lingering beyond its expiration date and wondered, “Are these safe to eat?” According to recent insights from food safety experts, eggs might be safe well beyond their stamped expiration dates. As explained by Elisa Maloberti, manager of special projects and food safety at the American Egg Board, eggs, when stored properly, can last more than a month past their expiration.