Articles tagged with Vitamin E
A meta-analysis of eight studies suggests that moderate dietary vitamin E intake reduces the risk of developing Parkinson's disease. However, no protective effects were found for vitamin C or beta-carotene.
A concentrated form of Vitamin E called tocotrienol rich fraction (TRF) from rice bran oil may effectively reduce total cholesterol levels by up to 42% and LDL or 'bad' cholesterol levels by 62%. Researchers found that a minimum dose of TRF of 8 IU kg/day provided the maximum antioxidants and lowered cholesterol.
A study published in the American Journal of Clinical Nutrition found that smoking depletes vitamin E levels 13% faster than non-smokers, increasing health risks. The research also reveals an interactive relationship between vitamins C and E, highlighting the importance of adequate levels of both antioxidants to prevent disease.
A major clinical trial suggests that the use of donepezil may delay the clinical diagnosis of Alzheimer's disease in people with mild cognitive impairment, with a 58% reduced risk at one year. The study also highlights the importance of considering genetic factors, such as apolipoprotein E-4, in making treatment decisions.
A study found that long-term vitamin E supplementation had no clear impact on fatal and nonfatal cancers, major cardiovascular events, or deaths. However, the daily administration of natural source vitamin E increased the risk of heart failure.
A Purdue University scientist has discovered that gamma-tocopherol, a form of vitamin E found in plant seeds, can inhibit the growth of prostate and lung cancer cells without harming healthy cells. The study suggests that supplementing with mixed forms of vitamin E may enhance its anticancer effects.
Lab experiments showed lutein and zeaxanthin, found in leafy greens, protected human lens cells from UV damage, nearly 10 times more powerful than vitamin E. Nearly 20 million US citizens suffer from cataracts, a costly condition treated with surgery.
A study suggests that nutrient declines in garden crops have increased over the past 50 years, with notable decreases in protein, calcium, and riboflavin. The researchers attribute these declines to changes in cultivated varieties used today, which prioritize higher yields over nutrient content.
A new study found that taking vitamin E daily can reduce the risk of heart attack by 43% and dying of heart disease by 55% in diabetic patients with haptoglobin 2-2. The results suggest a significant public health benefit for this group, who are at high risk of cardiovascular disease due to their genetic profile.
Research suggests that high doses of vitamin E supplements may increase the risk of death from any cause, with no benefit found at doses of 200 IU per day or less. The analysis, which included findings from 14 studies, found that taking greater than 400 IU of vitamin E per day increases mortality risk by about 10 percent.
A new study by Johns Hopkins Medicine suggests that high-dose vitamin E supplements may increase the risk of death. The study analyzed data from 19 major clinical trials and found a significant association between high-dose vitamin E use and increased mortality rates.
A study involving 15,555 participants found that current smokers, ex-smokers, and passive smokers are at a higher risk of habitual snoring. The frequency of snoring increases with the amount of tobacco smoked, with vitamin E showing a potential protective effect against asthma.
Researchers have found that low-dose synthetic lycopene alone can suppress the growth of human prostate tumors by over half. A combination of low-dose lycopene and vitamin E was shown to be even more effective in inhibiting tumor growth, with a significant reduction in PSA levels.
The study found that vitamin E had no significant effect on incidence or duration of respiratory tract infections, but significantly fewer participants acquired one or more respiratory tract infections. Vitamin E also showed a lower risk of common colds among those who completed the study.
A randomized study compared vitamin E and donepezil to placebo for delaying progression to Alzheimer's disease in patients with mild cognitive impairment. Patients treated with donepezil showed a modest delay in disease progression, but this effect was short-term.
The study found that participants on donepezil experienced a slower progression to Alzheimer's disease compared to those on placebo, with an average delay of 661 days. However, the effects were only observed during the first half of the study and further analyses are needed to confirm these findings.
A five-year study found that high dietary intake of alpha-tocopherol, a form of vitamin E, significantly reduced the risk of developing bladder cancer. The researchers also found that gamma-tocopherol offered no protection against bladder cancer.
Researchers have found that higher serum levels of vitamin E are associated with lower risks of prostate and bladder cancers. In contrast, a diet rich in antioxidants is linked to a reduced risk of breast cancer among women with specific genetic profiles.
Researchers at Vanderbilt University have discovered new antioxidants that are 100 times more effective than vitamin E, with potential applications in dietary supplements and medical treatments. The newly developed compounds have also shown promise in protecting against lipid oxidation, a key factor in coronary artery disease.
A study of over 17,000 individuals found that regular use of vitamin E and C supplements, especially in combination, may lower the risk of developing Alzheimer's disease. While individual supplements showed no significant effect, multivitamins with higher doses of these vitamins offered some protection.
A study of 4,740 elderly residents found that combining individual vitamin E and C supplements reduced AD prevalence and incidence by significant margins. The researchers suggested that higher doses of these vitamins may offer protection against Alzheimer's disease when taken together.
Researchers found that taking vitamin E supplements with food, especially those containing fat, increases its bioavailability. The study suggests that people may not be getting enough vitamin E from their low-fat diets.
A study of 5,197 participants found that those with diets high in vitamin C had a 30% lower stroke risk compared to those with low vitamin C intake. Smokers with high vitamin C intake were also significantly less likely to experience a stroke, with a reduced risk of over 70%.
A study by the University of Illinois at Urbana-Champaign found that enhancement with standard levels of salt and phosphate can improve the quality of lower-grade beef. Consumers reported a preference for enhanced roasts and steaks over non-enhanced cuts, which were found to be juicier and more flavorful.
A recent meta-analysis has found that vitamin E and beta carotene supplements do not reduce the risk of cardiovascular disease or death. The analysis analyzed data from seven trials involving over 1000 participants, concluding that these supplements may even increase mortality rates.
A recent study found that over 75% of participants took supplements regularly, with women using more supplements overall and men with medical conditions taking more supplements. The study suggests that healthcare providers need to educate patients on safe supplement use to prevent potential harm.
A study published in the American Journal of Clinical Nutrition found that drinking Concord grape juice for two weeks increases the resistance of LDL cholesterol to oxidation. This reduction in oxidative stress may contribute to a lower risk of heart disease and stroke.
A large cohort study found that high dietary vitamin E intake was associated with a significantly lower risk of developing Parkinson's disease. However, the use of vitamin E or C supplements and multivitamins showed no protective effect on Parkinson's risk. The results suggest that other lifestyle factors may also play a role in reduci...
A study found that vitamin E supplements did not slow the progression of atherosclerosis in healthy individuals, despite reducing oxidized LDL cholesterol levels. The research suggests that antioxidant therapy may be beneficial for specific groups, such as younger individuals or those with high-risk profiles.
A study of 307 southern Italian women found that low vitamin E intake is associated with atherosclerotic plaques in the carotid arteries, which are sites where early atherosclerosis begins. Vitamin E intake from legumes, vegetables, and olive oil may help prevent cardiovascular disease.
A population-based study suggests that a diet high in foods containing vitamin E may help protect against Alzheimer's disease, with the most significant protective effect found among those with the lowest dietary vitamin E intake. The study also found no association between vitamin E supplements and reduced risk of AD.
Researchers at the University at Buffalo found that consuming a high-fat meal causes an increase in inflammatory components in the blood. However, taking antioxidant vitamins E and C before consumption can nullify this effect.
Researchers at the University of Pennsylvania School of Medicine have discovered that a combination of Vitamin E and aspirin can significantly delay the development of atherosclerosis in mice with high cholesterol levels. The study found that the production of plaque in blood vessels was lowered by over 80%.
Researchers found that milk fortified with vitamins A and D, and higher doses of vitamin E, significantly improved plasma lipid transport. This led to a 9% drop in total cholesterol and 10.7% reduction in LDL cholesterol concentrations after 4 weeks.
The Selenium and Vitamin E Cancer Prevention Trial (SELECT) aims to determine if these two dietary supplements can protect against prostate cancer. The study will include 32,400 men across the US, Puerto Rico, and Canada, and will take up to 12 years to complete.
A laboratory study found that vitamin E concentrations did not interfere with the killing of cancer cells by radiation therapy. However, the study's limitations mean that the impact on real-world treatment outcomes is unclear.
A one-year study found that moderate vitamin E supplementation can slow the oxidation of LDL cholesterol in diabetics, reducing their risk of cardiovascular disease. The authors suggest that uninterrupted long-term supplementation may be preferable over short-term 'cures' using high-doses or intravenous administration.
Researchers at the University at Buffalo have found that a combination of fish oil and vitamin E reduces inflammation-inducing cytokines in mice with rheumatoid arthritis. This study suggests that these nutrients may delay symptoms and improve function for patients with this disease.
A UT Southwestern study shows that vitamin E can help reduce inflammation caused by white blood cells, which is a significant factor in diabetic vascular disease. The study found that increasing vitamin E intake reduced monocyte activity and promoted less inflammation and free radicals in type II diabetics.
A 12-week study found that carotenes and vitamin E supplements reduced sunburn intensity in fair-skinned individuals. The duration of supplementation was more effective than dosage in protecting against sunburn damage.
A new study suggests that gamma tocopherol in vitamin E may contribute to the development of knee osteoarthritis. In contrast, higher levels of alpha tocopherol, a common ingredient in vitamin E supplements, may help prevent the condition, particularly in African Americans.
A study of 54 postmenopausal women found that a higher intake of vitamin E from food was linked to reduced oxidation of LDL cholesterol, a key indicator of heart disease. This benefit occurred only in women who did not use supplements.
Researchers at UT Southwestern Medical Center discovered that vitamin E can prevent the early stages of plaque formation by inhibiting the attachment of white blood cells to endothelial cells. Vitamin E's antioxidant properties help reduce the risk of atherosclerosis, or hardening of the arteries.
Researchers at Emory University found that vitamin E supplementation decreased autoantibodies associated with oxidation of lipoproteins in healthy women. The study suggests that antioxidants like vitamin E may help attenuate oxidation and reduce the risk of atherosclerosis.
A University of North Carolina at Chapel Hill study suggests that consuming vitamin E and other antioxidants may help reduce the risk of knee arthritis. Middle-aged and older individuals who follow a diet rich in these compounds, such as green vegetables and tomatoes, may experience a 30% lower risk of developing osteoarthritis.
Researchers at the University of Pennsylvania School of Medicine have found that vitamin E confers potent protection from atherosclerosis in genetically modified mice. The study demonstrates that free radicals play a central role in heart disease, and the antioxidant action of vitamin E significantly reduces atherosclerotic damage.
Lab tests conducted by Allan Butterfield show that vitamin E can prevent the death of brain cells exposed to a toxic protein found in Alzheimer's brains. The study suggests that antioxidants may be a key to unlocking better therapies for the devastating disease.
Daily consumption of a tomato-based juice supplemented with vitamin C, vitamin E, and beta-carotene significantly decreased breath pentane excretion and improved LDL oxidation resistance. Increased plasma lycopene concentrations were also found to be correlated with antioxidant defenses.
A clinical trial found that synthetic and natural vitamin E are equally powerful antioxidants in preventing heart disease. The study, published in the American Heart Association Journal, used equivalent doses of both forms of vitamin E and found no significant difference in their effects on low-density lipoproteins (LDL) or LDL oxidation.
Researchers found a significant delay in disease progression with selegiline and Vitamin E treatment, particularly among those with moderately severe disease. The drugs showed promise in reducing symptoms, but further studies are needed to confirm their effectiveness.