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Posts Tagged ‘Weight Loss News’

According to the FDA, Young You Corp. of Tarzana, Calif., is recalling four of its weight loss products because they contain an undeclared drug, sibutramine.

The four recalled Young You products are:

* Slimbionic: 30 capsules per box
* One Weight Loss Pill: 30 capsules per box
* SlimDemand Capsules: 30 capsules per box
* Botanical Weight Loss: 30 capsules per box

Those products were sold online and through Young You’s Weight Loss and Rejuvenation Center in Tarzana, Calif.

Sibutramine is the active ingredient in Meridia, a prescription appetite suppressant for weight loss. But the FDA hasn’t approved sibutramine for use in Young You’s products, so the FDA says the safety and effectiveness of the recalled Young You products is “unknown.”

Read full story at WebMD

The following results were presented at The Endocrine Society’s 91st Annual Meeting in Washington, D.C. (ANI)

Researchers have revealed that measuring vitamin D levels before the start of a low-calorie diet can help predict weight loss success. The study suggests a possible role for vitamin D in weight loss.

“Vitamin D deficiency is associated with obesity, but it is not clear if inadequate vitamin D causes obesity or the other way around,” said the study’s lead author, Dr Shalamar Sibley, MPH, an assistant professor of medicine at the University of Minnesota.

During the study, the authors attempted to determine whether baseline vitamin D levels before calorie restriction affect subsequent weight loss.

They measured the circulating blood levels of vitamin D in 38 overweight men and women before and after the subjects followed a diet plan for 11 weeks consisting of 750 calories a day fewer than their estimated total needs.

The authors found that baseline, or pre-diet, vitamin D levels predicted weight loss in a linear relationship.

“Our results suggest the possibility that the addition of vitamin D to a reduced-calorie diet will lead to better weight loss,” said Sibley.

She cautioned, however, that more research is needed.

“Our findings,” she said, “need to be followed up by the right kind of controlled clinical trial to determine if there is a role for vitamin D supplementation in helping people lose weight when they attempt to cut back on what they eat.”

When it comes to foods and supplements, the term “vitamin D” refers to two inactive precursors to this hormone-like nutrient, called D3 (cholecalciferol, obtainable only from animal foods) and D2 (ergocalciferol, made from yeast).
 
The D3 form — which is produced in the skin on exposure to UV sunrays and is abundant only in fatty fish — appears to be more effective at raising body levels of vitamin D.
 
Winter sunrays in northern latitudes are so weak that many people make no vitamin D at all during these short, dim days. And darker-skinned people are the least able to make vitamin D when sunrays are weak.
 
This means that dietary supplements, fatty fish, and tanning lamps are the only ways to boost vitamin D levels.
 
Vitamin D deficiency can cause or exacerbate osteoporosis and fractures and appears to promote common cancers, autoimmune diseases, infectious diseases, type 1 diabetes, and cardiovascular disease.
 
Most experts have urged the Institute of Medicine to quickly raise the adult RDA from 200 IU (birth to age 50) or 400 IU (aged 51-plus) to at least 1,000 IU … preferably to 2,000 IU or more.
 
The current officially recommended upper daily limit is 2,000 IU … a level vitamin D researchers decry as wholly unfounded and misleading, since all the published evidence shows that adults can very safely consume at least 10,000 IU per day.
 
Due to their low body weight, children should not exceed 2,000 IU of supplemental vitamin D per day, unless approved by a doctor.
 
Fatty fish are the only rich food sources of vitamin D3, and tuna and wild salmon top that list, providing about 200 IU (king salmon) to 600 IU (albacore tuna and sockeye salmon) per 3.5 oz (100 gram) serving.
 
The National Institutes of Health (NIH) defines vitamin D deficiency as having blood levels below 15 nanograms per liter (ng/mL) and states that anything less than 20 ng/mL is inadequate for bone and overall health.  NIH sets 30 ng/mL as the minimum needed for good overall health.
 
According to NIH, up to 45 percent of Americans fall below the sufficiency level (20 ng/mL), and 50-78 percent have blood levels that fall below the recommended sufficiency level (30 ng/mL or more).
 
Vitamin D experts recommend a target of 30 to 100 ng/mL based on good evidence that rates of major diseases drop when blood levels rise into this range (Klein GL et al 2009).
 
Only blood levels that consistently test higher than 200 ng/mL (i.e., 500 nanomoles per liter) are considered potentially toxic.

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