The Medical Advisor

Introduction  Eggs are among the healthiest foods out there, but not all eggs are created equal, and sorting through the egg labels to identify the highest quality eggs can be a confusing affair. Health conscious consumers know to look for designations like "organic," "free-range," "pastured" and "cage-free,"1 but while you may think many of these are interchangeable, they're actually not. In some ways, these labels are little more than creative advertising. Updates: The featured video (below), "Egg Crackdown," a CBC Marketplace report by investigative reporter Asha Tomlinson, investigates the marketing of supermarket eggs and visits egg producers to get a firsthand look at what the company's label actually means.  A 2025 study published in the American Journal of Clinical Nutrition investigated how eggs, cholesterol, and saturated fat interact to influence low-density lipoprotein (LDL) cholesterol...

For decades, the conventional advice for optimal bone health has been to take calcium supplements — but the fact is that without the right co-factors, like vitamin K2, this nutrient doesn't end up strengthening bones, and could cause damage instead. Vitamin K2 ensures that calcium binds to bone where it belongs. Without sufficient amounts of K2, calcium builds up in places where it shouldn't — like your arteries — while leaving your bones weak and brittle. This is why people with low vitamin K2 levels often develop both osteoporosis and hardened arteries, a paradox that drastically increases their risk of fractures and heart disease. Vitamin K2 Strengthens Bones and Protects Against Fractures  Sources:  X,com ,  X.com A 2024 review published in Nutrients examined the role of vitamin K2 in bone health, specifically its impact on bone mineral density (BMD) and fracture risk in adults. The researchers focused on how K2 influences calcium utilization in the body, ensuring tha...

Most people in the United States consume less than recommended amounts of vitamin D. An analysis of data from the 2017–2018 National Health and Nutrition Examination Survey (NHANES) found that average daily vitamin D intakes from foods and beverages were 4.3 mcg in men, 3.8 mcg in women, and 5 mcg (200 IU) in children aged 2–19 years ( NHANES 2017 - 2018 ). What Is Vitamin D? Vitamin D is a fat-soluble vitamin, meaning that it dissolves in fats and oils and can be stored in your body for a long time. Vitamin D is important to the body in many ways. It helps the body absorb calcium from food and supplements. Muscles need it to move, for example, nerves need it to carry messages between the brain and every body part, and the immune system needs vitamin D to fight off invading bacteria and viruses. Together with calcium, vitamin D also helps protect older adults from osteoporosis. Vitamin D is found in cells throughout the body. Vitamin D2 vs D3 There are two main dietary forms ( NIH ): V...