LOW CARB diets are very bad for us !!!

Enough with the ongoing saga of the” Low Carbohydrate diets”.
This nonsense has been going on far too long and Australians still foolishly believe this rubbish. At least the Americans let this go a few years ago, obviously we are all far too gullible.
In some ways I can’t blame people as this has now become what I term as an “URBAN MYTH” and has taken to the masses, nearly as crazy as the silliness of ”The liver cleansing diet”. Thank heavens most people have woken up to this rubbish as well. Snake oil salesmen are still pedalling this garbage.
We have all heard the statements that are spread around…like “I (or my friend) lost 10 kgs in a week on a no carb diet …yep they probably did. Here is what happens when we go on a low carbohydrate diet.
As most us know, up to 70 percent of our body is water! Muscle is made up of about 75% water, fat is made up of about 50% water and our bones are about 50% water also. So on a no or low carbohydrate diet we lose water, not fat. This is not good. Also our brains will only ingest carbohydrates and our brain needs these foods high in carbs to function effectively.
If you feel lethargic, slow, sluggish foggy and disorientated in the head (and cranky) chances are your brain is low in carbs. The brain needs about twice the calories of carbohydrates than the rest of the body. These carbs help us concentrate and is the energy best utilized by the body for work outs.
We still ingest far too much protein in our diets. Protein is used for repair but in the western world we still ingest far too much protein. Dieticians will tell you that if we are sedentary we only need .8grams per lean body mass of protein for our daily intake. If you are lifting heavy weights regularly then you can increase the amount of protein up to 1.8- 2 grams per lean body weight. Any more will be stored as adipose tissue, (FAT) and will contribute to kidney damage and arthritis.
Why many people believe carbs make them fat is mainly because water bonds to carbs easily and you may feel slightly bloated. Carbs should still make up 60% of your diet especially those who exercise regularly.
An insufficient intake of carbohydrates during a strict diet can lead to a loss of lean muscle tissue. When you’re trying in increase muscle mass, carbohydrates help lower cortisol levels, increase testosterone levels, regulate insulin and assist in funneling protein and other nutrients into your muscles.
Your success at building muscle mass or burning body fat comes down to your glycogen levels. Glycogen is the name of stored or unused carbohydrates in your muscles. After carbs replenish your muscles (at the muscle site) glycogen then enters your liver where this is stored and can be called upon and utilized when completing heavy workouts that need a good energy source. The bodies preferred energy is carbohydrate.
So let’s all get off the ridiculous notion of little or no carbs phase and catch up with the science. Choose your carbs wisely aiming for low glycemic choices at each meal.
John Hart
“Master’s In Education” (Disability) Newcastle University Australia
“Grad Cert Education” Newcastle University Australia
“Diploma Fitness/Recreation”
“Cert 4 Personal Training”
“Level 1 Strength and Conditioning Coach

5 Responses to “LOW CARB diets are very bad for us !!!”

  1. Rebecca February 4, 2011 at 12:47 pm Permalink

    its a shame, that no matter who says it and how many times it is said, people will still do it, becasue they see quick results. and they just block out all the other facts

    • John February 4, 2011 at 10:24 pm Permalink

      Thanks for the response Rebecca…I see you are an elite athlete, you guys are the first to recognise the importance of the high carb diet for without it you can’t train
      Welcome to my blog keep up your training :)
      John Hart

  2. Alan June 17, 2012 at 6:21 am Permalink

    Sounds like science John. Needs some real scientific cause & effect (rather than observational) study references to validate it though. Without that its just another theory and risks being treated as a ‘fad’ itself.

  3. John Hart June 17, 2012 at 7:49 am Permalink

    Thanks Alan…I often write academically however my readers seemed to yawn when I would do this….LOL….there is plenty of literature that supports this obviously ….. I just get tired of most people saying I know it works because my best friend’s uncle said so  ….. Good points you make and from time to time I add references and more literature and have guest academic writers….however even now I am told I better go to VIDEO !!! as it is hard to get people to even read 500 words …thanks for the comments…feel free to put your points of view here any time thanks again..JOHN HART


  1. William Jones - May 14, 2012

    William Jones…

    [...]c Can we agree to disagree on this one? Things are never what they seem on th fn[...]…

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