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Welcome to the Quality Counts. For those health conscious consumers and medical professionals that are looking to purchase nutritional supplements, vitamins, herbs, learning about medications, losing weight, health food, low carbs, high protein nutrition, and exercise, you have come to the right place. Quality Counts serves both the medical practitioner and consumer interested in nutritional therapy and alternative medicine.
Home > Anti-aging Research > Whey
Whey
Specific Recommendations:
News & Research:
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Eating
protein throughout the day preserves muscle and physical function in dieting
postmenopausal women, study suggests - Science Daily, 8/10/11 -
"higher
protein intake during weight loss can offset negative effects on muscle mass by
maintaining more muscle relative to the amount of weight lost. Women who ate
more protein lost 3.9 percent more weight and had a relative gain of 5.8 percent
more thigh muscle volume than woman who did not ... 31 healthy, postmenopausal
obese women were divided into two groups. Each group followed a 1,400-calorie
weight-loss diet based on USDA's My Pyramid, but one group received a powdered
whey protein supplement in the morning and again in the afternoon or evening;
the other received a placebo that contained carbohydrates ... We hypothesize
that more vigorous exercise -- in particular, resistance training -- would
preserve even more muscle" - See
whey products at iHerb
or try the yogurt recipe at the top of my yogurt page.
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Whey Protein May Be Helpful for Weight Loss - WebMD, 7/15/11 -
"Researchers
at the U.S. Department of Agriculture's Human Nutrition Research Center randomly
assigned 90 overweight and obese middle-aged adults to one of three groups. The
first group was asked to add protein drinks made with whey to their normal
diets, the second group drank protein drinks made with soy protein, and the
third group drank carbohydrate drinks ... the drinks, which were drunk twice
daily, at breakfast and dinner, had the same number of calories: 200. They also
all had had 52 grams per packet, for a daily total of 104 grams of added protein
or carbs ... After six months, people drinking the carbohydrate shakes had
gained a little bit of weight, about 2 pounds, which appeared to be mainly added
fat ... People drinking the soy shakes had stayed about the same weight as where
they started ... But people drinking the whey protein had lost a little bit of
weight and body fat, about 2 pounds. Additionally, while the other groups saw
little change in the size of their waists, the whey protein group lost about an
inch around the middle ... a couple of things may help to explain the weight and
fat loss seen with whey protein ... People in the whey protein group had
significantly lower blood levels of the hormone ghrelin than people eating the
soy protein or carbohydrate ... And though researchers really can't explain why
this happened or what it means, they found that people drinking the whey protein
had cut back on their carbohydrate intake by the end of the study, even though
they weren't eating fewer total calories and didn't know what kind of supplement
they were getting ... researchers advise picking a whey product that is also low
in calories and fat"
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Whey protein may cut metabolic risk of high-fat diet: Mouse study -
Nutra USA, 3/24/11
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Whey protein holds fat fighting potential, suggests study - Nutra USA,
2/3/11 - "The amount of fat inside liver cells (known as intra-hepatocellular
lipid concentrations – IHCL) in subjects fed a short term high fat diet has been
previously shown to be reduced again through increasing dietary protein intake
... four weeks of supplementation with whey protein led to a significant
decrease in IHCL of 21 percent, whilst fasting plasma triglyceride was observed
to decrease by 15 percent, and total plasma cholesterol concentration decreased
by over 7 percent" - [Abstract]
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Cheese whey may protect against IBD: Study - Nutra USA, 12/9/10
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Whey
supplements lower blood pressure: Low-cost protein gets big results in people
with elevated blood pressure - Science Daily, 12/8/10 -
"Beverages
supplemented by whey-based protein can significantly reduce elevated blood
pressure, reducing the risk of stroke and heart disease ... daily doses of
commonly available whey brought a more than six-point reduction in the average
blood pressure of men and women with elevated systolic and diastolic blood
pressures ... blood-pressure reductions like those seen by Fluegel can reduce
cardiovascular disease and bring a 35 to 40 percent reduction in fatal strokes"
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Whey proteins show blood pressure lowering powers - Nutra USA 10/6/10
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Whey protein may improve heart health: Study - Nutra USA, 8/5/09
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Whey protein and building muscle: the sum greater than the parts? -
Nutra USA, 10/29/08
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How Whey Promotes Weight Loss
- Life Extension Magazine, 3/06
- Whey
May Curb Effect of Carbs on Blood Sugar - Medscape, 7/29/05
- Whey protein better than meat for reducing body weight - Nutra USA, 6/7/04 -
"Increasing the dietary density of whey protein, but not of red meat, reduced body
weight gain by 4 per cent, they add, while whey protein also reduced plasma insulin concentration by 40 per cent and increased insulin sensitivity, compared to meat protein"
- Whey Protein Plus Creatine Boosts Strength, Muscle Mass - WebMD, 4/11/03
- Athletes Believe The "Whey" To Greater Muscle Strength Is Through Training And Protein Supplements - Intelihealth, 4/10/03 -
"supplementation with a100%
whey isolate formulation and creatine produced greater muscle fiber growth increases that transferred into significant increases in functional strength"
- Which Protein Is Best For Sports Performance? - Functional Foods & Nutraceuticals, 9/02
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The
New Faces Of Whey - Life Extension Magazine, 1/02 -
"whey may be able to reduce stress and depression by lowering cortisol and increasing brain serotonin, improve liver function (in those suffering from certain forms of hepatitis) and reduce blood
pressure"
- Milk Extract May Heal Wounds, Smooth Wrinkles - Doctor's Guide, 7/29/97
Abstracts:
-
Similar
effects of leucine rich and regular dairy products on muscle mass and functions
of older polymyalgia rheumatica patients: a randomized crossover trial - J
Nutr Health Aging. 2011;15(6):462-7 - "Patients
performed as many stand ups as possible twice a day after which they ingested a
regular (Control) or a whey protein enriched dairy product with high leucine
content (Test). The 8-week intervention periods were separated by a 4-week
wash-out ... The 16-week home-based post-exercise supplementation resulted in a
1.8% increase (p = 0.052) in lower limb muscle mass. Walking speed (+5.3%, p =
0.007) and chair stand test performance (-12.2 %, p < 0.001) were also improved.
Furthermore, a tendency for increased jump power (+3.0%, p = 0.084) was
observed. However, significant and consistent differences were not found in the
changes of muscle mass indices or muscle functions between supplements, but the
test supplement tended to prevent accumulation of body fat. Conclusion: A low
intensity home based exercise program combined with post-exercise milk protein
supplementation is feasible despite some gastrointestinal complaints and seems
effective in improving the muscle mass and functions of older persons with a
inflammatory disease. Further studies are needed to establish, whether and to
what extent the use of leucine-enriched whey products prevent or treat
age-associated sarcopenia and whether they are superior to the present
commercial milk products"
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Protective
effect of whey proteins against nonalcoholic fatty liver in rats Lipids
Health Dis. 2011 Apr 13;10(1):57 - "Oral administration of the studied whey
proteins products reduced the final body weight of rats. There was a significant
reduction effect (P<0.05) of the tested proteins on hepatic triglycerides, liver
enzymes (ALT and AST), lipid peroxidation (malondialdehyde level) and serum
glucose. Feeding on whey proteins caused an increase in the reduced glutathione.
Hepatic content of reduced glutathione was not affected by any of the used whey
proteins, but it showed an increasing tendency (P>0.05). Liver histology showed
an improvement of fatty infiltration in hepatocytes from whey protein groups and
gives the histology of liver a normal appearance"
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Dietary Whey
Protein Lowers the Risk for Metabolic Disease in Mice Fed a High-Fat Diet -
J Nutr. 2011 Feb 10 - "whey protein isolate (WPI) ... Livers from WPI mice had
significantly fewer hepatic lipid droplet numbers and less deposition of nonpolar lipids. Furthermore, WPI improved glucose tolerance and insulin
sensitivity. We conclude that in mice receiving a HF diet, consumption of WPI
results in higher basal metabolic rates and altered metabolism of dietary
lipids. Because WPI mice had less hepatosteatosis and insulin resistance, WPI
dietary supplements may be effective in slowing the development of fatty liver
disease and type 2 diabetes"
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Effects
of a whey protein supplementation on intrahepatocellular lipids in obese
female patients - Clin Nutr. 2011 Jan 31 - "intrahepatocellular
lipids (IHCL) ... 60 g/day whey protein supplement (WPS) for 4-weeks ...
total liver volume (MR) ... IHCL were positively correlated with visceral
fat and total liver volume at inclusion. WPS decreased significantly IHCL by
20.8 ± 7.7%, fasting total TG by 15 ± 6.9%, and total cholesterol by 7.3 ±
2.7%. WPS slightly increased fat free mass from 54.8 ± 2.2 kg to 56.7 ± 2.5
kg, p = 0.005). Visceral fat, total liver volume, glucose tolerance,
creatinine clearance and insulin sensitivity were not changed"
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