Stacking supplements without key test can do more harm than good, expert warns

Supplements are a daily wellness habit for many Americans — but experts warn more isn’t always better.

Some common nutritional supplements include zinc for immune function, ashwagandha for stress relief, fish oil for improving heart health and magnesium for better sleep, among others that have gained popularity on social media.

In an interview with Fox News Digital, Jim LaValle, a clinical pharmacist and metabolic medicine expert based in Texas, said that supplements should be balanced...