Why Caffeine Is Making You Fat

by Katrina Eden

Did you know caffeine could be making you fat? Bet you haven’t heard that one before.Caffeine and other stimulants are commonly promoted as a great way of jacking up your short-term energy levels and spiking your metabolism. In fact, many popular weight loss stimulants market their caffeine content as an effective fat burning metabolism

A few quick shots of espresso, a long black in the morning, a red bull or ‘Hydroxycut’ before training – it definitely gives you that ‘buzz’, doesn’t it? It’s certainly not hard to believe that you are enhancing your energy and your metabolism when you feel that immediate adrenalin rush kick in.

Sorry to disappoint folks, but it just ain’t true.

Caffeine and other stimulants give you that rush because they work by stimulating your Sympathetic Nervous System, also known as your ‘fight or flight’ system. They send a message to the brain that stress is at hand, that you need an adrenaline boost in order to outrun or outfight that stress. Short-term, infrequent adrenalin boosts can certainly assist in increased performance, and may even aid in body fat reduction.

Here’s the problem: caffeine is not something that most of us consume ‘infrequently’. When you stimulate your fight-or-flight system daily, your body assumes you are under constant stress.

This means you create excess stress hormones.

One of the main roles of your stress hormones? To increase your fat storing capabilities. It’s a survival instinct that you can’t outrun. If you’re stressed, food might not be readily available, so you damn well better store up plenty of fat.

It’s a simple equation;

Caffeine = constant fight-or-flight stimulation = excess stress hormone release = increased fat storing capabilities.

Oh, one last thing. If you’re female, you’ll store fat twice as fast, in case you fall pregnant.

Enjoy that third latte ….

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  1. 5 Responses to “Why Caffeine Is Making You Fat”

  2. Nice article…

    But if you really do drink infrequent cups of coffee (say 2-3 a week), is the best time to do this right before a workout or any kind of exercise where you’re going to be needing an adrenalin boost anyway?

    That’s the excuse I give myself for the mochas I drink a couple of times a week (don’t like coffee really!!)…

    By Lea on Nov 9, 2007

  3. I would say that one should avoid drinking a stimulant, such as coffee, prior to doing exercise that is demanding.

    Given society’s fast-paced lifestyle, it’s easy to underestimate how stressed your body already is, even if you don’t drink all that much coffee.

    Drinking a cup of coffee (or red bull, lucozade, gatorade etc) to get you through a 45-60 minute hard cardio session would give the body a double whammy
    of stress hormones, which as Katrina says, can increase your body’s fat-storing capabilities.

    If you’re feeling a little low on energy around your exercise time a good idea would be to look at your diet to see why the energy slumps are occuring.

    Failing that , a little snack such as a couple of thin slices of apple and a very small piece of cheese 20 minutes before your workout should give you the boost you need.

    Hope this helps,
    Greg

    By Greg Hollings on Nov 9, 2007

  4. Is there any science behind this assertion? Or is it just your opinion? Can you provide some citations to research in support of this. I’m neither for or against caffeine, but I’ve never heard of this linkage and I did a lot of research, admittedly in the past, on the subject. Just curious.

    By Dan on Nov 10, 2007

  5. Hey Dan,

    I became aware of the fat-storing effects of over-stimulation of the symapathetic nervous system through my studies with the Chek Institute. It is widely agreed in both holistic and allopathic circles that caffeine stimulates our ‘fight or flight response’. What is not so well publicised is the way our body responds to it.

    Here are some of my most heavily utilised resources in this area:

    ‘How to Eat, Move and Be Healthy’. Paul Chek
    ‘The Metabolic Typing Diet’ William W Wolcott and Trish Fahey
    ‘Why Zebras Don’t Get Ulcers’ Robert Sapolski
    ‘Lights Out: Sleep, Sugar and Your Survival’. Bent Formby

    These books each provide numerous studies and further resources on the effects of stress and SNS stimulation when it comes to storing fat.

    Hope this helps!

    Katrina

    By Katrina Eden on Nov 11, 2007

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