Medically reviewed by Mary Choy, PharmD Key Takeaways High doses of vitamin C, especially above the tolerable upper limit of 2,000 mg per day, can lead to serious side effects such as kidney stones, ...

High doses of vitamin C could be a new breakthrough in treating cancer. The University of Iowa Health Care Carver College of Medicine has shared results from a randomized, phase 2 trial testing the ...

Dr. Joseph Cullen is the lead author on a recently-published University of Iowa study which found that high doses of vitamin C, administered through an IV, increase survival rates and decrease ...

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 ...

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 ...

So, what gives? Does it depend on the percentage of vitamin C included in the serum? And — why apples? According to Ron Robinson, cosmetic chemist and founder of BeautyStat, apples are particularly ...

An increasing amount of health advice on social media is encouraging people to test for vitamin deficiencies, but Oklahoma ...

The world is awash in treatments for COVID-19, the illness caused by coronavirus. Or at least that's what you might think if you just searched the internet. The truth is, we don't yet have any ...

A prolonged vitamin C deficiency can cause severe and potentially life threatening symptoms. Eating a variety of fruits and vegetables can help maintain optimal levels of this important nutrient.