Navigation Links
Vitamin D Supplements: Is What You See What You Get?
Date:2/11/2013

rom 9 percent to 146 percent of what was listed on the label.

When LeBlanc and colleagues tested five pills from the same bottle, the supplements had anywhere from 52 percent to 135 percent of the stated amounts. When five pills were averaged, however, two-thirds were within the stated range.

Although the vitamin supplement industry remains largely unregulated, some manufacturers volunteer to have the quality of their supplements tested by the independent, not-for-profit U.S. Pharmacopeial Convention (USP), which sets standards for supplements.

One of the study samples had USP verification. "Generally, the pills that were from this manufacturer were more accurate," LeBlanc said.

Supplements from compounding pharmacies were the least accurate, LeBlanc said.

Duffy MacKay, vice president of scientific and regulatory affairs at the Council for Responsible Nutrition in Washington D.C., a trade group representing supplement manufacturers and ingredient suppliers, said that there is no excuse for supplements to deviate from their labels. Still, he said, "I am comforted that there are no safety concerns."

Dr. Susan Zweig, an endocrinologist and clinical assistant professor of medicine at NYU Langone Medical Center in New York City, expressed more concern.

"It is hard to get toxic levels vitamin D, but it is certainly possible," Zweig said. "Vitamin D is stored in fat so it can build up, unlike other vitamins that we pass when we urinate." People with liver or kidney conditions may be at higher risk for vitamin D toxicity, she said.

"It is shocking how variable vitamin D is from brand to brand and pill to pill," she added.

Zweig's advice? "If there is any question about whether you need more vitamin D or if you are on the right dose, see your doctor and have your blood levels checked."

MacKay said the study shows there is value in third-party certification. "Bigger and more well-known brands don't use thi
'/>"/>

Copyright©2012 ScoutNews,LLC.
All rights reserved  

Page: 1 2 3

Related medicine news :

1. Vitamin D Loss Attributed to Obesity
2. High Doses of Vitamin C May Raise Risk of Kidney Stones
3. Vitamin D, omega-3 may help clear amyloid plaques found in Alzheimers
4. The Center for Anti-Aging Will Now Be Offering Its Vitamins and Herbal Supplements on Amazon
5. Low vitamin D levels may increase risk of Type 1 diabetes
6. With Benefits Unproven, Why Do Millions of Americans Take Multivitamins?
7. Low vitamin D levels linked to high risk of premenopausal breast cancer
8. Cognitive Decline May Be Reversible with Brain-Boosting Vitamins
9. Everyday Vitamin Extends Complimentary U.S. Shipping on Orders of $50 or More Through End of January
10. ZijaExtreme.com Researches Vitamin D Deficiency & Using a More Natural Approach
11. Vitamin D Doesnt Improve Knee Arthritis, Study Finds
Post Your Comments:
*Name:
*Comment:
*Email:
Related Image:
Vitamin D Supplements: Is What You See What You Get?
(Date:5/5/2015)... 2015 Don’t have time to go ... fitness membership? Don’t know which workout equipment to use? ... order to help members achieve their heath and fitness ... an educational, caused-based wellness company, today announces the launch ... classes led by certified trainers, nutritional information and recipes ...
(Date:5/5/2015)... May 05, 2015 Major League Ultimate ... the belief that ultimate Frisbee™ is home to many ... sport that engages the world. Nike Ultimate Camps’ goal ... creating opportunities for young athletes to learn about the ... MLU the perfect fit. , The Nike Ultimate Camp ...
(Date:5/5/2015)... 05, 2015 Igantia , an ... leads an international initiative to examine key biological milestones ... human lifespan. Scientists at Igantia believe that better ... the initiation of her menstrual cycle to her transition ... aging and, ultimately, extend the lifespan. , By ...
(Date:5/5/2015)... St.Louis MO (PRWEB) May 05, 2015 ... innovative bar flavors in 2014, Walgreens introduces the Cookies ... By focusing on innovation, Extend Nutrition has continually raised ... achieved a great taste, combined with an unprecedented nutritional ... Building on this success, Extend Nutrition will launch additional ...
(Date:5/5/2015)... LENEXA, Kan. (PRWEB) May 05, 2015 ... dedicated exclusively to healthcare providers, has been retained to ... Hospital in Helena, Mont. The top executive search firm ... placed more than 900 healthcare executives into organizations. , ... psychiatric treatment facility in Montana to offer both acute ...
Breaking Medicine News(10 mins):Health News:Live Streaming Fitness Creates Industry Shift by Bringing Fitness, Nutrition and Cooking Classes to Smart Devices 2Health News:Live Streaming Fitness Creates Industry Shift by Bringing Fitness, Nutrition and Cooking Classes to Smart Devices 3Health News:US Sports Camps, Nike Ultimate Camps, and Major League Ultimate Host Youth Ultimate Summer Camps in Philidelphia 2Health News:Igantia Announces Digital Initiative to Decode Longevity 2Health News:Nationwide Launch of Extend Nutrition’s Newest Bar Flavors Follows Most Successful New Item Sales in Company History 2Health News:Nationwide Launch of Extend Nutrition’s Newest Bar Flavors Follows Most Successful New Item Sales in Company History 3Health News:Nationwide Launch of Extend Nutrition’s Newest Bar Flavors Follows Most Successful New Item Sales in Company History 4Health News:Shodair Children’s Hospital Retains B. E. Smith to Recruit New Administrator 2Health News:Shodair Children’s Hospital Retains B. E. Smith to Recruit New Administrator 3
... marketed as Revatio, study finds , TUESDAY, May 18 ... that causes progressive scarring of the lung tissue might ... Viagra, a new study finds. , The disease, called ... thick and stiff, reducing the ability to breathe. There,s ...
... life, study finds , TUESDAY, May 18 (HealthDay News) -- ... hurt feelings. Now, new research shows that a warm, caring ... growing up poor -- protection that can last well into ... with a higher risk for heart disease and other mental ...
... of the University of Helsinki, and Oncos Therapeutics, the ... next generation oncolytic viruses, published initial results from their ... The therapy program is based on scientific research at ... for ongoing clinical development. The results demonstrate ...
... the care they provide can vary widely depending upon the ... to a new RAND Corporation study. Researchers say the ... cost profiles that are being created by insurance companies in ... study provides more evidence that efforts to create physician cost ...
... will allow researchers to conduct larger, more effective studies ... in the United States. With a ... and Reinvestment Act of 2009, Cincinnati Children,s Hospital Medical ... (REGID). The first of its kind registry ...
... ... ever before. Get the facts on cancer and ways to prevent it from the Pulitzer ... ... the nation in the prevention and treatment of cancer. Truecancerfacts.com was written by Pulitzer Prize ...
Cached Medicine News:Health News:Viagra May Aid Those With Lung Fibrosis 2Health News:Viagra May Aid Those With Lung Fibrosis 3Health News:A Mother's Love Overcomes Poverty's Effect on Health 2Health News:A Mother's Love Overcomes Poverty's Effect on Health 3Health News:Oncolytic viruses mediating anti-tumor immunity in human cancer patients 2Health News:Results of physician cost profiling can vary widely, study finds 2Health News:National registry to track eosinophilic disorders 2Health News:What Doctors Won't Tell Their Patients About Cancer 2
(Date:5/5/2015)... 2015 Merrimack Pharmaceuticals, Inc. (Nasdaq: MACK ... double-blinded, placebo-controlled Phase 2 clinical trial of MM-141, ... combination with nab-paclitaxel and gemcitabine, versus nab-paclitaxel and ... cancer who have high serum levels of free ... leading cause of cancer death in ...
(Date:5/5/2015)... Mich. , May 5, 2015  InfuSystem Holdings, ... infusion pumps and related services for the U.S. healthcare ... financial results on Tuesday, May 12, 2015 after the ... a conference call for investors on Tuesday, May 12, ... quarter performance and results.  To participate in this call, ...
(Date:5/5/2015)... Mass., May 5, 2015   Cynosure, Inc. ... medical devices for aesthetic procedures and precision surgical applications ... ended March 31, 2015. First-Quarter Highlights: ... , Non-GAAP earnings of $0.15 per share; GAAP ... million at March 31, 2015 "Cynosure delivered ...
Breaking Medicine Technology:Merrimack Pharmaceuticals Announces Initiation of a Phase 2 Front-line Clinical Trial of MM-141 in Biomarker-Selected Patients with Metastatic Pancreatic Cancer 2Merrimack Pharmaceuticals Announces Initiation of a Phase 2 Front-line Clinical Trial of MM-141 in Biomarker-Selected Patients with Metastatic Pancreatic Cancer 3Merrimack Pharmaceuticals Announces Initiation of a Phase 2 Front-line Clinical Trial of MM-141 in Biomarker-Selected Patients with Metastatic Pancreatic Cancer 4Cynosure Announces First-Quarter 2015 Results; Posts Record First-Quarter Revenue of $74.9 Million, Up 21 Percent from Prior Year 2Cynosure Announces First-Quarter 2015 Results; Posts Record First-Quarter Revenue of $74.9 Million, Up 21 Percent from Prior Year 3Cynosure Announces First-Quarter 2015 Results; Posts Record First-Quarter Revenue of $74.9 Million, Up 21 Percent from Prior Year 4Cynosure Announces First-Quarter 2015 Results; Posts Record First-Quarter Revenue of $74.9 Million, Up 21 Percent from Prior Year 5Cynosure Announces First-Quarter 2015 Results; Posts Record First-Quarter Revenue of $74.9 Million, Up 21 Percent from Prior Year 6Cynosure Announces First-Quarter 2015 Results; Posts Record First-Quarter Revenue of $74.9 Million, Up 21 Percent from Prior Year 7Cynosure Announces First-Quarter 2015 Results; Posts Record First-Quarter Revenue of $74.9 Million, Up 21 Percent from Prior Year 8Cynosure Announces First-Quarter 2015 Results; Posts Record First-Quarter Revenue of $74.9 Million, Up 21 Percent from Prior Year 9Cynosure Announces First-Quarter 2015 Results; Posts Record First-Quarter Revenue of $74.9 Million, Up 21 Percent from Prior Year 10Cynosure Announces First-Quarter 2015 Results; Posts Record First-Quarter Revenue of $74.9 Million, Up 21 Percent from Prior Year 11
... BEIJING, Aug. 11, 2011 /PRNewswire-Asia-FirstCall/ -- Concord Medical ... (NYSE: CCM ), the operator of ... centers in China, today announced that it has ... Healthcare ("GEHC"), through its subsidiaries General Electric International ...
... Texas, Aug. 11, 2011 ( RBC Life Sciences : ... proprietary nutritional supplements, wound care and pain management products, today ... ended June 30, 2011, compared to net sales of $7.8 ... reported net earnings of $17,000, or $0.00 per share, compared ...
Cached Medicine Technology:Concord Medical and GE Healthcare Sign MOU for Preferred Partnership in China 2RBC Life Sciences Reports Second Quarter 2011 Results 2RBC Life Sciences Reports Second Quarter 2011 Results 3
The Optima III 45 cm line of laparoscopic hand instruments is ideal for operative laparoscopic/endoscopic procedures or when a longer instrument is needed....
Hook design lifts and separates tissue for efficient dissection. Cautery action facilitates immediate control of bleeders....
This probe coagulates bleeders while suction channel with trumpet valve simultaneously evacuates smoke....
The control unit manage patient temperatures during long complex surgical procedures to help achieve optimal clinical outcomes....
Medicine Products: