There are countless vendors offering "personalized" nutrition recommendations, some based on DNA- or microbiome-testing. What does the evidence actually say?
Do dietary supplements offer advantages or risks to breast cancer patients undergoing chemotherapy?
Experts convened by the AARP say don't waste your money on dietary supplements claiming they improve brain health. A healthy diet and lifestyle are the best medicine for your brain.
There is evidence from blinded, placebo-controlled studies that elderberry can modestly shorten the duration of colds and flu. Since there is no cure for the common cold, elderberry might be worth a try; but more research is needed.
Ellura is a dietary supplement marketed to treat recurrent urinary tract infections. There is promising evidence and a credible mechanism of action, and using it instead of antibiotic prophylaxis could reduce antibiotic resistance.