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Believe it or not but the best time to kick back with a cold
glass of milk may be right after your daily workout. A new Canadian
study by researchers at McMaster University in Hamilton, Ontario,
found that those who drank milk after a strength-training workout
gained more muscle and lost more fat than those who choose to fuel
up with a sports drink or soy-based drink instead.
By drinking roughly two cups of skim milk after working out, the
study’s participants lost twice as much weight and gained
approximately 3 more pounds of muscle than those who consumed a
sports drink, for example.
The study was funded in part by the US Dairy Council and the
Canadian Institutes for Health Research. Professor Stuart Phillips,
associate professor of Kinesiology at McMaster University and lead
researcher of the McMaster study, points out that the Dairy Council
held no scientific sway in the study’s findings.
“They had no say in how we ran the study, over what we did with
the data and what we wrote in the final journal article, and they
could not block us in any way from publishing,” says Dr.
Phillips.
The Canadian study isn’t the only evidence supporting milk’s
sports-recovery impact. Several recent US studies claim that
chocolate milk is another excellent post-workout beverage.
Chocolate milk boasts more carbs than regular milk—carbohydrates
taken after intense exercise help replace glycogen, the fuel our
muscles burn when we exert ourselves.
Another British study found that consuming a glass of 2% milk was a
more effective means of restoring important minerals like sodium
and potassium after exercise than sports drinks and water.
What does milk have that Gatorade doesn’t?
Both contain high levels of carbohydrates, which provide necessary
fuel, but unlike most commercial sports drinks, milk contains
protein.
“Sports drinks such as Gatorade are designed to promote hydration
and restore lost electrolytes like sodium and potassium as well as
provide a source of energy, i.e., carbohydrate,” explains Dr.
Phillips.
“Gatorade does not, however, contain any protein. Thus, after
lifting weights, when you need to repair and replace damaged
proteins and build newer muscle, you need to have protein. Milk
provides the highest quality protein available. In fact, while
isolated soy proteins and milk proteins are considered to be
nutritionally equivalent they obviously are not when it comes to
promoting gains in lean mass, as our study shows. Thus, milk would
be considered a recovery and restoration drink.”
Victoria, B.C. based dietitian Danielle Van Schaick agrees.
“There is a lot of controversy surrounding milk these days, but
the evidence on the health benefits of milk has always made it a
nutritional superstar in my mind,” she says. “I
believe that there is no other single food that provides as much
nutrition as a glass of milk. It is the number
one source of calcium, phosphorus, riboflavin and vitamin D, and is
among the top three sources of protein, vitamins A and B12,
potassium, and zinc. Unlike Gatorade and similar drinks, milk
provides and average of 8 grams of protein per 1-cup
serving.”
Sports drink companies are catching on to the increased emphasis on
protein, however, creating such protein-enriched options as Endurox
R4.
Milk also offers a natural source of essential vitamins and
minerals that sports drinks just can’t equal. Milk is a good
source of calcium, vitamin D, vitamin A and K, riboflavin, vitamin
B12, potassium and iodine. Calcium, vitamin D and vitamin K have
long been linked to good bone health. Riboflavin and vitamin B12
are involved in maintaining cardiovascular health, among other
functions. Riboflavin has even been shown to
reduce migraine headaches among sufferers.
Eating calcium-rich foods, especially low fat dairy products such
as cow's milk, yogurt and kefir, as part of a low-calorie diet has
been linked to improved weight loss and an increased rate of fat
burning—especially around the waistline.
Milk may also play an important role in preventing obesity among
children. A few studies have reported that high calcium intake is
associated with decreased risk of obesity, and that as little as
two serving of dairy (yogurt, cheese, milk) a day can reduce the
risk of excess weight gain among children.
Organic milk may have a nutritional boost over commercial products.
A 2004 research project conducted at the University of Aberdeen in
Scotland, found that organic milk contains up to 71% more omega-3
fats than regular milk. Omega-3 fatty acids play a significant role
in preventing heart disease and arthritis.
The reason may be due to a more natural diet for the cows.
Heading off to the gym? Make sure to pick up a carton of milk on
your way out. Your muscles may thank you for it.
 
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