Tag Archives: energy intake

Metabolic Rage

25 Mar

Hi Lifters!

This week I learnt that my metabolism has significantly slowed down L. Talking to my doctor (who actually knows about this stuff, unlike many) she was shocked at my currently daily caloric intake and suggested that by continuing this over a long period of time it has resulted in my metabolism adapting and subsequently slowing.

Your metabolism refers to the chemical processes that occur within your body enabling regular everyday actions to occur, such as bowel movement, muscle repair, and temperature regulation. This also includes rate of fuel breakdown to provide the body with energy, also known as Basal Metabolic Rate (BMR). Basically, this determines how many calories/kilojoules our bodies should be consuming each day. If a person has a high BMR, calories/fuel stores (e.g. fat) will be burned up faster.  BMR is influenced by several factors, some of which we can modify to increase (or decrease) the BMR.

Non-modifiable factors:

  •          Age: BMR slows down with increased age
  •          Gender: males have higher BMR than females
  •          Genetic predisposition
  •          Infection/illness: increases BMR
  •          Environment temperature: extremes of temperature (really hot and really cold) increase BMR

Modifiable factors:

  •          Lean muscle mass: increases BMR
  •          Body fat percentage: fat cells slow BMR
  •          Drugs (e.g. caffeine, nicotine)
  •          Diet
  •          Physical activity

Here is a really basic guide as to the recommended caloric intake to maintain a healthy weight range. Please keep in mind that this is only to give you an idea, and the recommended intake varies depending on all of the factors mentioned above. To accurately calculate individual energy intake you should consult with a dietitian.

Calories
It makes sense that to lose weight you should eat less than the maintenance energy requirement; and similarly if you wish to gain weight you should eat more. However, when aiming to lose weight and going to the extreme for a prolonged period of time will cause the metabolism to slow down. The body is smart – it wants to keep you alive. If you’re not providing your body with enough fuel, it will slow the chemical processes down so that you aren’t burning your energy stores too quickly. I have been eating between 1,200-1,500 calories for about 2 years now and hadn’t thought about how it could be affecting my metabolism. It has causes my weight to plateau, I get tired easily, and my body has stopped responding to different exercises. I want to make you aware that this can happen so hopefully it doesn’t happen to you. As I’m young, it should be easy to speed my metabolism back up by making slow modifications to my diet. I’ll be seeing a dietitian in several weeks and will let you know how it goes :). I’m annoyed that I’ve done this to my body, but I’m glad I’ve found out now and can make the necessary changes to get back on track. If sufficient damage is made to metabolism it becomes more difficult to repair, resulting in a permanent low BMR.

Zucchini and Walnut Protein Cake with Cream Cheese Frosting

 

 

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This tastes way better than it sounds haha it’s a beautiful dense cake perfect with a cup of tea. Plus it gets in a cheeky serve of vegies 😉

Ingredients:

Cake

½ cup oat flour

½ tsp baking powder

½ tsp baking soda

1 Tbsp cinnamon

½ tsp nutmeg

20 serves stevia

25g pea protein

25g whey protein

123g zucchini – grated

3/4 cup fat free Greek yoghurt

2 large eggs

1 tsp vanilla essence

38g walnuts – chopped

Frosting

125g light Philadelphia cream cheese

1 tsp vanilla essence

2 serves Stevia

 

Method:

1. Preheat oven to 180 degrees

2. Combine dry ingredients (except walnuts)

3. Add in zucchini and yoghurt

4. Whisk eggs with vanilla essence, then add to mixture

5. Taste mixture and add cinnamon/nutmeg/sweetener to taste

6. Fold in walnuts

7. Line cake tin with baking paper (this won’t rise much, so keep this in mind when choosing a tin)

8. Pour in mixture and bake for ~30 minutes or until toothpick comes out clean

9. Whisk together ingredients for frosting and, once cake is cooled, layer on top

 

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Learn constantly, Love your body, Lift yourself higher x

 
References:
http://www.health.gov.au/internet/healthyactive/publishing.nsf/Content/healthy-eating-calculator
http://www.nhmrc.gov.au/guidelines/publications/n6