How to use an at-home vitamin deficiency test For any further questions, all reputable at-home tests will have instructions and a customer care line. Most vitamin deficiency tests require a blood ...

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 ...

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

Researchers at Virginia Commonwealth University and Hunter Holmes McGuire VA Medical Center have started a clinical trial to determine if high doses of vitamin C delivered intravenously can be a safe ...

The biosensing platform developed by Penn State engineering researchers incorporates two-pass laser induced graphene with commercial transistors to simultaneously test for SARS-CoV-2 and vitamin C.

The cosmetic industry is full of serums that promise to make your skin glow. Although you get vitamin C from the foods you eat, it probably doesn't end up in your skin. Using vitamin C serum is the ...