The Aesthetics Advisor

Vitamin D3 and Vitamin K2 are two of the most commonly deficient—and misunderstood—nutrients today. While Vitamin D improves calcium absorption, Vitamin K2 determines where that calcium actually goes . That’s why taking Vitamin D without K2 may be incomplete—and in some cases counterproductive. After reviewing ingredient quality, dosing accuracy, brand transparency, and real-world user feedback, the following are the best Vitamin D3 + K2 supplements available in 2026 . 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 ). Why Trust This Guide? This review prioritizes supplements that meet four non-negotiable criteria : Uses Vitamin D3 (cholecalciferol) — not D2 Includes Vitam...

Do nasal sprays actually work against COVID-19? Can I use nasal spray if I have COVID-19?  The COVID-19 pandemic has been roaring on for 3 years. During this time, the FDA has authorized many treatments  that help combat COVID-19. COVID-19 vaccines have also been recommended by the CDC ever since the first ones were authorized in December 2020. However, medications that are already authorized are just a small percentage of what's been studied. Many researchers are still trying to find and develop other medications that can treat or prevent COVID-19. Among these, nasal sprays have caught the attention of many people. They’re often easy to use, and some researchers believe they could have a potential impact on the ongoing pandemic. But are any of them effective at treating or preventing COVID-19? And are any of them close to being available in the U.S.?  Which nasal sprays have been studied to treat or prevent COVID-19? A number of nasal sp...