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mandybookworm's avatar

Is a Coffee Diet effective?

Asked by mandybookworm (712 points ) January 5th, 2011

Recently I have heard about a diet where the person drinks only black coffee for a period of time. The theory is that this boosts your metabolism and you lose weight faster while on the diet.
Would this, in theory, actually work? does Coffee actually boost your metabolism? How unhealthy would this be?

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10 Answers

kenmc's avatar

That’s called “starvation”.

BarnacleBill's avatar

No, it doesn’t work. It makes you jittery and you can’t sleep. You lose weight while you sleep.

The thing that boosts your metabolism is eating breakfast. Otherwise your body goes into starvation mode, and your metabolism slows down. Eat 5 light meals/snacks, cut out sugar and fast foods, and begin to exercise. Muscle mass increases your metabolism as well. It’s possible to lift weights, stay the same weight (because muscle is heavier) but lose several clothing sizes.

Simone_De_Beauvoir's avatar

Sure, it’s effective…but at what? Perhaps diarrhea? Or dehydration?

Cruiser's avatar

Not as good as the Belgium wheat beer diet the Belgium Monks survived on for years during WWII. Finally breaking through enemy lines to liberate the Monks, the Allied soldiers were amazed to be greeted by very fit and healthy Monks

Arbornaut's avatar

That cant be good for the nervous system, my moneys on the monks beer diet for sure! come to think of it… its a diet iv used quite regularly over the years.

YARNLADY's avatar

No diet that involves not eating foods is good for you. The best way to lose weight or gain more energy is to eat lots of fruits and vegetables, less meat, no snacks, no sodas and drink at least 6 to 8 glasses of water a day – no sodas. Walk at least a mile a day or equivalent exercise, and get enough sleep – each person varies.

Don917's avatar

We Americans are always looking for the easy, low effort quick fix to things. There is no mystery or miracle to loosing weight. Just common sence and a long term change in your habbits. Eat a little LESS, and move aroung a little MORE. Well ballanced SMALLER meals and a SMALL increease in your daily physical activity over the long term will increase your wellbeing and longevity.

mrlaconic's avatar

The subway guy lost his weight by drinking black coffee for breakfast and then starting to eat whole foods as the day progressed. So I would like to believe that while you shouldn’t just have coffee only, that it can be good for you because yes it will get your metabolism going (just please skip the milk and sugar :)

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BarnacleBill's avatar

Some studies show that caffeine does raise metabolism, although the effect is modest enough that it’s unlikely to cause significant weight loss in the absence of a healthy diet and exercise plan.

On the other hand, caffeine has a mild appetite suppressing effect, but all that caffeine is a problem since it raises cortisol levels, the stress hormone that causes the body to store fat in the waist and abdomen.

Not only does caffeine not raise metabolism as much as most people think, it can cause anxiety and sleep problems. Anxiety and insomnia are two factors strongly correlated with weight problems. People who get insufficient amounts of sleep are at higher risk for both weight gain and obesity.

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