News
Increased folic acid intakes seem not to increase cancer risk
29 January 2013
According to a new data analysis from the UK, people who supplement their diet with folic acid over a long term are not more likely to develop cancer.
05 November 2013
Variations in genes involved in responses to oxidative stress may be crucial for beneficial effects of vitamin E in reducing inflammation, suggests a new study from the UK.
To explore the role of genetic variants (polymorphisms) on changes in inflammatory cytokine production after vitamin E (alpha-tocopherol) supplementation, inflammatory markers (TNF-alpha and IL-1beta, -6, and -10) were measured in blood samples of 160 healthy, middle-aged male volunteers at the beginning of the study and after 6 weeks of supplementation with 75 IU or 600 IU alpha-tocopherol per day (1). The study results showed that the ability of alpha-tocopherol to decrease inflammatory marker concentrations depended on several variations in the participants’ genes involved in inflammation or responses to oxidative stress.
The researchers concluded that the effect of vitamin E supplementation on the production of inflammatory cytokines appears to be dependent on an individual’s genotype. These genotype-specific differences may help explain some of the discordant results in studies that have used vitamin E. Despite evidence of antioxidant effects of vitamin E in vitro and in animal studies, large, randomized clinical trials have not substantiated a benefit of vitamin E in reducing inflammation in humans. Thus, an individual’s genetic background may affect the response to alpha-tocopherol supplementation.
29 January 2013
According to a new data analysis from the UK, people who supplement their diet with folic acid over a long term are not more likely to develop cancer.
1 April 2015
The immune system plays an important role in fighting tumors. Adequate blood concentrations of vitamin D can help to strengthen the immune system and ensure that immune cells are functioning properly. It is also suggested that certain immune cells have the ability to convert vitamin D into its active form. In addition, vitamin D seems to be able to bind to cancer cells and instruct them to die or stop growing. Thus, vitamin D supply status may be related to the risk for cancer development.
26 May 2009
The cells of multivitamin users may have a younger biological age than cells from non-users, according to new research from the US.