How much vitamin C you need per day depends on your age, sex, pregnancy and lactation status, and if you smoke. Here are the guidelines and general limits.

From vitamins C and D to calcium and magnesium, it’s critical to know whether you’re taking the correct dosage to avoid health problems ...

Vitamin C has been crowned the ultimate immune-boosting, anti-aging wonder vitamin, leading millions of people to megadose on supplements while slathering high-concentration serums on their faces ...

Some supplement manufacturers also caution that vitamin C may chelate copper, meaning it could reduce how well the mineral is absorbed. If you take both supplements, it may help to avoid large doses ...

Results from a randomized phase 2 clinical trial show that adding high-dose, intravenous (IV) vitamin C to chemotherapy doubles the overall survival of patients with late-stage metastatic pancreatic ...

Vitamin C enjoys an almost mythical status in the wellness world. From fighting off colds to boosting collagen production, this essential nutrient plays crucial roles throughout the body. However, the ...

While vitamin C is crucial for immunity and health, new research reveals that high-dose supplements can increase the risk of ...

Police hope a surveillance photo leads to a suspect in a shooting on Government Square in Downtown Cincinnati. 1 in custody after incident at JD Vance's Cincinnati home A person is in custody after an ...

DEAR DR. ROACH: Is there any evidence that high doses of vitamin C have decreased or prevented the risk of Alzheimer’s disease? I ask this question because none of the people I know who have developed ...

When you feel a sniffle or the hint of a cold, your go-to move may be reaching for a glass of orange juice or another food or supplement that’s packed with vitamin C. This nutrient, touted for its ...