Nutritional Supplements Current Events

Nutritional Supplements Current Events, Nutritional Supplements News Articles.
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The quality of protein supplements for sportspeople
The results indicate that half the supplements analyzed contain more than 6 percent of blocked lysine, but only 9 percent had a content of more than 20 percent of blocked lysine. (2018-09-25)

Stimulant marketed as 'natural' in sports supplement actually of synthetic origin
A new study published in the journal Drug Testing and Analysis found that DMAA, a stimulant often found in many nutritional and sports supplements, does not originate from natural substances and is actually comprised of synthetic compounds. (2012-07-12)

Calcium and Lead: should you worry?
ROCHESTER, MINN. -- For years, women have been urged to take calcium supplements to prevent osteoporosis. Now a new study uncovers detectable levels of lead in some of the leading supplements. What's a woman to do? According to the January issue of Mayo Clinic Women's HealthSource, most of these levels are not high enough to cause significant harm, so women should keep taking their supplements. (2001-01-04)

Nutritional sports supplements sold in Australia test positive for banned androgens
Some nutritional sports supplements marketed to athletes -- claiming to help them build lean muscle, reduce body fat and enhance endurance -- are secretly fortified with androgens, which are banned from use in sports, a new study from Australia finds. The results will be presented in a poster Sunday, June 22, at ICE/ENDO 2014, the joint meeting of the International Society of Endocrinology and the Endocrine Society in Chicago. (2014-06-22)

Dietary supplements increase cancer risk
Beta-carotene, selenium and folic acid -- taken up to three times their recommended daily allowance, these supplements are probably harmless. But taken at much higher levels as some supplement manufacturers suggest, these three supplements have now been proven to increase the risk of developing a host of cancers. (2012-05-15)

Dietary and lifestyle recommendations for patients at risk of macular degeneration
Age-related macular degeneration (AMD) is a major cause of severe visual impairment in older populations and is characterized by progressive destruction of the retinal pigment epithelial cells and photoreceptors due to low-grade inflammation, ischemia and oxidative stress. Studies show evidence that carotenoids and antioxidants derived either from the diet or from supplements may significantly reduce the risk of visual loss in these patients. (2017-06-23)

Supplements and cancer prevention: A cautionary tale
Government regulators and the scientific community should work to ensure that they give clear guidance to the public about dietary supplements and cancer risk, according to a commentary published April 25 in the Journal of the National Cancer Institute. (2012-04-25)

Dietary supplements shown to increase cancer risk
While dietary supplements may be advertised to promote health, a forum at the American Association for Cancer Research Annual Meeting 2015 by University of Colorado Cancer Center investigator Tim Byers, M.D., M.P.H., describes research showing that over-the-counter supplements may actually increase cancer risk if taken in excess of the recommended dietary amount. (2015-04-20)

Supplements even confuse athletes
As winter approaches many of us reach for over-the-counter vitamins and herbal remedies in a bid to ward off illnesses and improve health. But the vast array of supplements available and lack of industry regulation make it difficult for the average person to make an informed choice about taking supplements. Now research published in the online open access publication, Nutrition Journal suggests that even athletes frequently take supplements without realising the potential benefits or side effects. (2007-11-07)

Melatonin supplements offer little or no benefit for the sleep deprived - study says
The U.S. Department of Health and Human Services released information today about research on melatonin supplements. (2004-12-10)

Oral nutritional interventions improve nutritional intake and QOL in malnourished cancer patients
Oral nutritional interventions help increase nutritional intake and improve some aspects of quality of life in malnourished cancer patients or those who are at nutritional risk, but do not effect mortality, according to a study published Feb. 15 in the Journal of the National Cancer Institute. (2012-02-15)

Effects of iodine supplements on maternal thyroid function studied
Iodine is an essential element for synthesizing thyroid hormones. A team of researchers from the Childhood and Environment Project has studied the consequences of pregnant women consuming it in their diet and in supplements. The results suggest the need to evaluate their iodine nutritional status before systematically recommending taking it during pregnancy. (2010-02-24)

Is dietary supplementation appropriate for children with autism spectrum disorder?
Children with autism spectrum disorder (ASD) are often picky eaters, which can lead parents to suspect that their children might not be getting adequate amounts of vitamins and minerals. This sometimes leads parents of children with ASD to try nutritional supplements and dietary regimens such as gluten-free and casein-free diets without professional supervision. In the largest study of its kind researchers report that these well-intentioned efforts can result in both insufficient nutrients and excessive nutrients. (2015-06-04)

New standards from NIST may provide 'all-natural' benefits
Nutriceuticals -- nutritional supplements designed for specific clinical purposes -- are very popular but their quality and effectiveness are difficult to assess. At the request of the National Institutes of Health and the Food and Drug Administration, NIST has begun a program to develop standard reference materials for botanical dietary products of interest to the two health agencies. This release tells how the standards will be used to ensure that marketed nutriceuticals contain what they are supposed to contain. (2002-05-13)

Multivitamins don't prevent infections in older people
Multivitamin and mineral supplements don't appear to prevent infections in older people living at home, finds a study in this week's BMJ. (2005-08-04)

New study associates excess maternal iodine supplementation with congenital hypothyroidism
Congenital hypothyroidism is thyroid hormone deficiency at birth that, if left untreated, can lead to neurocognitive impairments in infants and children. Although WHO recommends 200-300 μg of iodine daily during pregnancy for normal fetal thyroid hormone production and neurocognitive development, the US Institute of Medicine considers 1,100 μg to be the safe upper limit for daily ingestion. A case series scheduled for publication in the Journal of Pediatrics describes three infants who developed congenital hypothyroidism as a result of excess maternal iodine supplementation. (2012-07-26)

Some herbal and dietary supplements can be toxic to the liver
A recent review based on a research symposium sponsored by the American Association for the Study of Liver Disease and the National Institutes of Health highlights the potentially damaging effects of herbal and dietary supplements (HDSs) on the liver. (2016-10-28)

Patients don't receive recommended follow-up care after weight loss surgery
New research shows that patients don't receive the recommended follow-up care from their GPs after weight loss surgery - potentially leading to serious health consequences. (2020-12-16)

Antioxidants cause malignant melanoma to metastasize faster
Fresh research at Sahlgrenska Academy has found that antioxidants can double the rate of melanoma metastasis in mice. The results reinforce previous findings that antioxidants hasten the progression of lung cancer. According to Professor Martin Bergö, people with cancer or an elevated risk of developing the disease should avoid nutritional supplements that contain antioxidants. (2015-10-09)

Oral nutritional supplements demonstrate significant health and cost benefits
A recent health economics and outcomes study, conducted by leading health economists and supported by Abbott, found that oral nutritional supplements provided to patients during hospitalization were associated with significant reductions in length of stay and hospitalization cost. Additionally, the 30-day readmission risk was significantly reduced for patients with at least one known subsequent readmission. (2013-08-30)

Research identifies the herbal supplements that are effective in treating anxiety
A systematic review of research into the use of nutritional supplements for the treatment of anxiety disorders has found strong evidence for the use of extracts of passionflower or kava and combinations of L-lysine and L-arginine. Researchers writing in BioMed Central's open access Nutrition Journal pooled the results of 24 studies involving a total of more than 2,000 participants, showing that some nutritional and herbal supplements can be effective, without the risk of serious side effects. (2010-10-06)

Not enough evidence that multivitamins prevent infections in the elderly
There is currently not enough evidence to suggest that multivitamin and mineral supplements prevent infections in elderly people, finds a study published online by the BMJ today. (2005-03-31)

Zinc deficiency an underestimated problem
Children in Java have better resistance to disease if they take not only vitamin A and iron supplements but also extra zinc. NWO nutrition researchers have shown that shortages of vitamin A and the two minerals often occur together. Zinc deficiency appears to be a problem which has so far not been fully recognised. (2001-07-25)

Calcium supplements fail to prevent bone fractures in children
Calcium supplements have very little benefit for preventing fractures in childhood and later adulthood, concludes a study in the BMJ. (2006-09-14)

Daily intake of nutritional supplements cannot prevent depression
Researcher Mariska Bot from Amsterdam UMC reported: 'Daily intake of nutritional supplements over a year does not effectively prevent onset of a major depressive episode in this sample. Nutritional supplements were not better than placebo. Therapeutic sessions aimed at making changes towards a healthy dietary behaviour didn't convincingly prevent depression'. Dr. Bot is first author of a paper showing these results in today's issue of the Journal of the American Medical Association (JAMA). (2019-03-05)

News briefs from the American Society of Plastic Surgeons
Selected news briefs from the August 2008 issue of Plastic and Reconstructive Surgery, the official medical journal of the American Society of Plastic Surgeons and the most widely read plastic surgery journal in the world. (2008-07-23)

College education aids in proper use of dietary supplements among young adults
Young adults who are educated about dietary supplements in college are more likely to use them appropriately, according to new research from Binghamton University, State University at New York. (2018-11-05)

Nutritional supplements cannot prevent depression, research shows
A daily intake of nutritional supplements won't help stave off the onset of depression, a new study has revealed. (2019-03-05)

Is more, better? Finding the balance between nutritional supplements and eye health
In the past decade, ophthalmologists have been prescribing nutritional supplements to be taken daily to prevent or slow vision loss from age-related macular degeneration (AMD). Now, using nutritional supplements for eye health has become more common. But does increasing the recommended dose increase protection? A case report appearing online in JAMA Ophthalmology from the Moran Eye Center at the University of Utah reveals what can happen when a patient takes more of a supplement than their body needs. (2016-10-27)

ACS to host master class on the chemistry of dietary supplements
The American Chemical Society is hosting a (2000-08-02)

Calcium supplements linked to increased risk of heart attack
Calcium supplements, commonly taken by older people for osteoporosis, are associated with an increased risk of a heart attack, finds a study published on bmj.com today. (2010-07-29)

Dietary supplements discouraged for prostate cancer patients
Prostate-specific dietary supplements should not be taken during radiation therapy treatments because they have been shown to increase the radiosensitivity of normal prostate cell lines, leading to normal tissue complications, according to a study in the March issue of the International Journal of Radiation Oncology, Biology, Physics, the official journal of the American Society for Radiation Oncology. (2010-03-08)

Nutritional supplements and diets not always protective, WVU research suggests
Do the nutritional supplements people take or the diets they adhere to actually protect them against cardiovascular problems and death? Maybe not, suggests a new umbrella review of meta-analyses and randomized controlled trials by Safi Khan, an assistant professor in the West Virginia University School of Medicine. (2019-07-08)

Assessing the science behind health claims
The use of biomarkers is common in drug, device and nutritional studies, but the US Food and Drug Administration has been hampered in its ability to evaluate food health claims in part because it lacks a process accepted across the regulatory, food and medical communities to assess the validity and appropriateness of these biological benchmarks. (2010-05-07)

Dietary supplement use in children, adolescents
About one-third of children and adolescents in the United States use dietary supplements. (2018-06-18)

Vitamin D may not help your heart
While previous research has suggested a link between low levels of vitamin D in the blood and an increased risk of cardiovascular disease, a new Michigan State University study has found that taking vitamin D supplements did not reduce that risk. (2019-06-19)

Study: Many men take dietary supplements to prevent prostate cancer
A significant percentage of men take dietary supplements such as vitamins, minerals and herbs to prevent prostate cancer despite a lack of evidence that they work. That is the result of a new study published by Fox Chase Cancer Center researchers in the May issue of the British Journal of Urology International. (2004-05-06)

CRN assesses current state of scientific research for nutritional supplements
The Council for Responsible Nutrition, the dietary supplement industry's leading trade association, today released its comprehensive report, The Benefits of Nutritional Supplements (4th edition). The updated book, which assesses the current state of the science on the health benefits associated with select nutritional supplements, finds consistent and adequate use of these products contributes to overall health and wellness throughout all age groups, lifestyles, and life stages. (2012-06-20)

New insights on liver injury in men taking body building supplements
In a study reported in Alimentary Pharmacology & Therapeutics, 44 men with liver injury, attributed to over-the-counter bodybuilding supplements, experienced a uniform and distinctive pattern of signs and symptoms that were often prolonged, difficult to treat, and accompanied by disability and weight loss. (2019-04-03)

Some vitamin supplements don't protect against lung cancer
A study of more than 75,000 adults found that taking supplemental multivitamins, vitamin C and E and folate do not decrease the risk of lung cancer. The findings are being reported at the American Thoracic Society 2007 International Conference, on Monday, May 21. (2007-05-21)

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