Search results for vitamin a

“Men with vitamin D deficiency tend to have significantly lower testosterone concentrations compared to those with normal levels. There are also associations between vitamin D concentrations and circulating total testosterone, SHBG, and the free androgen index.”

“What they found is that taking an average of 500 milligrams of vitamin C daily -- about five times the recommended daily requirement -- reduced blood pressure by 3.84 millimeters of mercury in the short term.”

“A key limitation is that this was a later analysis of a trial originally designed for asthma, not cognition, so the memory findings should be treated as suggestive. Still, the results raise the possibility that prenatal vitamin D could influence specific aspects of later cognitive performance.”

“Antioxidants from whole foods (like fruits and vegetables) are fine, but supplementing with high doses of isolated vitamins like C or E may interfere with mitochondrial biogenesis and muscle adaptation after strength or endurance training​.”

“Recent research indicates that folate (vitamin B9) deficiency may play a role in Alzheimer’s pathology along with other micronutrients, such as vitamin A. A recent systematic review and meta-analysis reports that folate deficiency increases the risk for Alzheimer’s disease.”

“Vitamin D extended lifespan by reducing the age-dependent formation of insoluble proteins.Proteins misfold and aggregate with age as a consequence of irreversible oxidation, nitration, and carbonylation of proteins, which impairs degradation of damaged proteins, and enhances aggregation.”

“However, people with higher baseline vitamin D levels also benefited, although the effect was more modest (10 per cent risk reduction). Overall, the reduction in risk of acute respiratory infection induced by vitamin D was on a par with the protective effect of injectable 'flu vaccine against 'flu-like illnesses.”

“This is strong genetic evidence that suggests vitamin D supplementation may significantly lower risk of multiple sclerosis.”

“A recent study found that combining high-intensity interval training (HIIT) with daily vitamin D supplements more than doubled the gains in bone mineral density compared to each intervention alone. Researchers enrolled 120 sedentary women aged 30 to 50, all diagnosed with osteoporosis.”

“Some evidence suggests that the financial costs associated with having a cold are similar to those associated with having high blood pressure or a stroke. The author of the study reviewed the findings of two randomized trials focused on the effectiveness of vitamin C in reducing cold symptom duration.”