Learn which supplement is best for preventing and treating respiratory viruses, how to take them, and side effects to watch ...

Can vitamin C and zinc help you fight off Covid-19? No, not even at high doses, according to the first randomized clinical trial to test the two supplements under medical supervision. Despite the ...

Prioritizing nutritious foods and drinks rich in vitamins C and D, protein, whole grains, and electrolytes can help you heal ...

DEAR DR. ROACH: Am I taking too many vitamins, and are there benefits in taking all these vitamins? I started taking fish oil for my heart; 2,000 IU of vitamin D3 was suggested by my ...

There is no evidence that taking zinc will keep you from catching COVID-19. There’s some evidence that zinc helps your body fight a cold, but scientists don’t know if it helps ease COVID-19 symptoms.

Supplements to reduce fever include zinc, omega-3 fatty acids, probiotics, and vitamins A and D. These supplements support immune health and may lower inflammation.

The evidence is mixed for whether supplements like vitamin D, zinc, melatonin, antacids, and aspirin could help treat coronavirus infections.