Popular herb supplement may cause severe liver injury
Kratom is a herbal product made from Mitragyna speciosa ─ a tropical evergreen tree in the coffee family found in Southeast Asia ─ with...
High doses of vitamin C may help fight cancer
In a new study, researchers found that high doses of vitamin C (ascorbic acid) enhanced immunotherapy, resulting in slowed or stopped tumor growth.
The research...
Herbal medicines may not help you lose weight
In a new study, researchers have conducted the first global review of herbal medicines for weight loss in 19 years, finding insufficient evidence to...
How much vitamin D is enough for you?
Vitamin D’s main function is to help the body absorb calcium.
Deficiency can cause delayed skeletal development and rickets in children and may contribute to...
Vitamin D may help boost protection against infections
In a new study, researchers have led the development of a new model for studying vitamin D's role in infection prevention.
They found that vitamin...
Vitamin D alone cannot prevent bone fractures
In a new study, researchers found that taking calcium and vitamin D together may help older adults curb the risk of a bone fracture,...
Why vitamin K is so important to older people
Scientific research has shown that low vitamin K in the body is linked to chronic diseases that lead to disability.
In a recent study from...
Omega-3 may boost brain health in people with a common heart disease
Omega-3 fatty acids have drawn attention for their potential to keep people's thinking sharp as they age, and new research appears to support that...
Vitamin D may benefit people with skin cancer
In a new study, researchers found that vitamin D influences the behavior of melanoma cells in the lab by making them less aggressive.
They discovered...
This popular vitamin supplement may damage your eyes
In a new study, researchers found a self-prescribed high dose of over-the-counter niacin is linked to injury of a specific cell type in a...