Posted on 12 May 2014 Views 4632 Comments 5
Is a ‘fast metabolism’ simply an urban myth? Is it possible, or indeed safe, to speed up your metabolism artificially? Can it really help you burn off calories? This feature explores the how’s and why’s of your metabolism.
Your metabolism affects the rate at which your body burns calories. Metabolism is the process of chemical reactions, which occur naturally, and which allow you to survive (e.g. grow, digest food, reproduce). It is commonly believed that a ‘fast’ metabolism will mean that you burn calories quicker. The speed of your metabolism is know as ‘metabolic rate’ and is linked to weight-loss. Here’s how.
At Slim & Save we understand the role that metabolism plays in weight-loss, so let’s start with looking at how your metabolic rate works.
Your metabolic rate is made up of two interrelated factors: basal metabolic rate (BMR) and resting metabolic rate (RMR). Your BMR represents the energy it takes just to exist i.e. live your day-to-day life. Your BMR needs must be met in order for you to survive. If you’re an average size woman you will spend up to 1,400 calories a day just fuelling the basic working of your body’s cells*. However, during exercise your metabolic rate is increased, as you will need more energy in the form of kilocalories.
Whatever your calorific intake is, you will use approximately 70% of it just to keep your body ticking over (basal life processes)*. Think of a car engine – it needs fuel just to sit at traffic lights. In ticking over our body will need to maintain a warm temperature, keep our brain working, our heart must pump blood around our bodies, our hair, nails and skin need to grow and our digestion needs to work.
Generally, the heavier you are the higher your metabolic rate will be. Think of a Land Rover compared to a Mini – the former uses more fuel much quicker.
At Slim & Save we understand that weight-loss needs to be safe. Quite simply, weight-loss occurs when you reduce the amount of calories that you consume. Fewer calories = more fat burned to make energy = weight-loss (that’s why Very Low Calorie Diets ‘VLCDs’ are so effective). We do not recommend the use of artificial stimulants to alter your metabolic rate – there is simply no need. If you follow the Slim & Save weight-loss programme as directed then you will lose weight quickly and safely.
Sarah is a 41-year-old woman who has always been slim. She says she can eat ‘anything’ without putting on weight (how annoying!). Sarah claims “I have a fast metabolism so I can eat what I like”.
In actual fact, if you watch Sarah’s eating patterns over 24 hours you will see that:
a) she is physically very active and
b) a lot of the time she is too busy to eat, or eats very small portionsSarah regularly skips breakfast in favour of a coffee, has a bag of crisps for lunch on the go and doesn’t find time for dinner until 8pm when she has a light bite like a chicken salad. In total Sarah probably only consumes about 1,000 calories a day. The fact is she is not eating enough. Neither is she eating completely nutritious food. Yes, she does eat what she wants (including the wrong foods) but does not put on weight because she eats too little and moves around a lot – not down to a ‘fast metabolism’. The benefit of Slim & Save is that it has 100% of the recommended daily allowance of nutrients and is completely nutritionally balanced. That’s why it is ideal if you want to lose weight safely and efficiently.
*Source NHS Direct
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Based on the Slim & Save customers who are using the Weight Tracker Application. (Data auto-updated at 5am each day).