Curcumin, the main active compound in turmeric, has been studied for a wide range of health conditions, but the clinical evidence is still limited and mixed. The biggest obstacle researchers face is …
Collagen Supplement Research: What Clinical Studies Show About Skin, Joint and Bone Outcomes
Clinical studies on collagen supplements mostly look at three areas: skin (hydration, elasticity, wrinkle depth), joints (pain and stiffness scores in people with joint discomfort), and bone (markers …
Probiotic Clinical Evidence: What Studies Show by Strain, Dose and Condition
Probiotic research does not give one answer for "do probiotics work." The evidence changes depending on the specific strain tested, the dose used, and the health condition studied. A strain shown to …
Omega-3 Fatty Acid Clinical Trials: Evidence Across Health Outcomes and Study Quality
Omega-3 fatty acids, mainly EPA and DHA from fish oil and ALA from plant sources, have been tested in hundreds of registered clinical trials for heart health, triglyceride levels, brain function, …
Vitamin D Clinical Research Landscape: Study Designs, Doses and What Remains Uncertain
Vitamin D research spans thousands of studies, but the studies are not all the same quality or type. This article explains how vitamin D is actually studied in clinical research, what doses …