While vitamin C is essential for health, high doses can cause serious side effects. Learn the risks and how to use it safely, ...

Symptoms of a vitamin C deficiency include weakness, bruising, and dry skin. Learn more about the warning signs and how to ...

In one of my last pieces, I broke down how training frequency can drive adaptations for the everyday athlete. Today, we're exploring a powerful lever: vitamin D ...

The disruption of gut bacteria from high-dose vitamin C affects your microbiome balance and can contribute to digestive problems that persist even after discontinuing supplements.

A University of Iowa Health Care randomized, phase 2 clinical trial shows that adding high-dose, intravenous (IV) vitamin C to chemotherapy doubles the overall survival of patients with late-stage ...

Don’t get me wrong, there are plenty of options out there that are fantastic — a personal favorite being the cult-loved ...

Is this intravenous infusion of Vitamin C truly the miracle solution that it is being deemed or is it just another wellness fad that needs more caution than you think? Experts reveal.

High doses of vitamin C, particularly those above 2,000 mg daily, may increase the risk of kidney stones in susceptible individuals. Vitamin C is metabolized into oxalate, which can contribute to ...

Proponents of TikTok's viral "cortisol cocktail" claim the drink can reduce stress and improve sleep, but there’s little ...

High-dose vitamin C can cause false negative results on fecal occult blood tests, potentially masking gastrointestinal bleeding that might indicate colorectal cancer or other serious conditions.

Which fruits are high in vitamin C? Fruits with the most vitamin C to boost the immune system during cold and flu season include strawberries, guava and more.

We consulted a dermatologist and spent months testing the best vitamin C serums.