Meal
replacement shakes have been around for decades, with one of the most
popular being the Slim-Fast meal replacement range. But despite this
are they just another diet fad? Or can they really help you to lose
weight?
How
Meal Replacement Shakes Can Help with Weight Loss
One
of the greatest appeals of meal replacement shakes and bars is how
easy and convenient they are. They provide you with a simple way to
have a calorie controlled meal on your diet. They are easy to make
and consume in a rush, at work or whilst looking after the kids.
The
NHS website includes this as the main pro of meal replacement diets –
both the convenience and the fact that you get fixed portion sizes
with no need to count your own calories. They also include the fact
that there are no forbidden foods in a meal replacement diet, so you
won't be left craving something you truly desire and breaking your
diet for it. Instead you just have 2 weight loss shakes per day,
plus a normal meal of your choice in the evening.
Diet
shakes also contain whey protein. So although they are limited in
calories they are designed to help keep you feeling full for longer.
Protein takes longer for your body to digest than carbs and therefore
helps prevent cravings and snacking.
Problems
with Meal Replacement Shakes
But
what about the downsides of weight loss shakes? There must be some,
right? Well yes, again the NHS website suggests 2 cons of weight
loss shakes. The first is that they don't help you break bad eating
habits and educate you on good ones. Once you stop drinking the
shakes instead of having a meal it could be easy to put weight back
on. Also it can be difficult to get a nutritionally balanced diet if
2 of your meals each day solely consist of shakes.
However
the best meal replacement shakes do take these factors into account
and help you to deal with them both. They can do this by providing
you with free diet plans to give you healthy meal ideas and daily
diet plans, and by including additional vitamins and minerals within
the shakes to help you meet your recommended daily amounts and stay
healthy whilst dieting.
Is
there Evidence that Meal Replacement Shakes Help Weight Loss?
So
how about evidence for meal replacement shakes? Is there any? Yes,
actually there is. In 2003 Heymsfield and his team looked at 6
studies, which showed that people using meal replacements lost 6-7lbs
more than those on a typical weight loss diet.
A
more recent study in 2011, showed that people who replaced their
lunch with a weight loss shake consumed less calories and lost more
weight than when they followed their regular diet.
The
European Food Safety Agency has looked at studies into meal
replacement shakes and concluded there is evidence that they help
with dieting.
Replacing
1 meal per day with a meal replacement shake can help to maintain
weight, and replacing 2 meals per day with a diet shake can help you
lose weight.
This
is of course when you use them properly as part of a calorie
controlled diet. If your 3rd meal of the day is a
takeaway banquet containing more than your recommended daily
calories, then the shakes won't be able to help!
Conclusion
There
is no magic solution to weight loss – it all comes down to eating
less and burning more calories. However meal replacement shakes have
been proven to be a useful and effective tool in your dieting tool
kit. By measuring your calories for you for 2 meals a day they can
help you to lose your extra pounds.
Make
sure you choose a quality meal replacement shake and understand the
changes you need to make to your diet and lifestyle in order to lose
weight and keep it off long term.
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