Learn how to assess the validity of conclusions made from published vitamin D research using the Heaney Nutrient Study Criteria Key Points While randomized controlled trials (RCTs) are efficient ways to evaluate the effects...
Winter is always a time when vitamin D levels tend to drop – make sure your levels are good! Save 15% PLUS get a free copy of our Sunshine eBook when measuring your vitamin...
A new meta-analysis supports previous findings that vitamin D supplementation prior to COVID-19 infection greatly reduced risk of infection and ICU admission due to COVID-19 Key Points A new systematic review and meta-analysis looked...
A diagnosis of periodontal disease may be reason to worry more about other linked systemic diseases and to take steps necessary to decrease the risk of those diseases while also caring for your oral...
The true RDA for vitamin D is about 10 times higher than the IOM has said – not a small error. Read on to understand how this might have happened and why this is...
Studies find benefit of vitamin D, omega-3s, and several other key nutrients in sleep regulation and quality of sleep Key Points Lack of sleep can be attributed to many factors, however, for individuals struggling...
A new 2024 study finds up to 25% increased risk of dementia among adults with vitamin D deficiency; omega-3s are also important Key Points A new study looked at data from 269,229 adults (ages...
15% Off Sale Starts Today – Brain disorders now account for more than 15% of all health loss worldwide. Have you taken these simple steps to help protect your brain health? Key Points Vitamin...
Vitamin D supplementation resulted in a 64% reduced risk of suicide and self-harm among those presenting with vitamin D deficiency at baseline, and a 45-48% decreased risk overall Key Points Research has found that...
Dr. Heaney explains how it was that the U.S. Preventive Services Task Force found the evidence in support of vitamin D supplementation inconclusive, while vitamin D experts find it persuasive Key Points In 2013 the...