Why? CLA for Weight Loss
May Hurt your Health
CLA for weight loss - one of the newer buzzwords in natural weight loss vitamins. It's touted to help with experimental cancers, build lean muscle mass and help fat metabolism.
1. Sounds perfect.
The dairy people seem to think so. You see, CLA is found naturally due to the action of bacteria in a cow's stomach on linoleic acid. (cla can be made by other means too - but this is how it occurs naturally as opposed to in a lab. Commercial preparations of CLA for weight loss tend to use the bacteria without the aid of the cow's stomach).
Cla for weight loss might be an excellent product for cow wants lean meat ... especially in the summer months with all that beach weather.
There is some scientific literature to support an anticarcinogenic effect in mice. This is considered due to the antioxidant effects. So I guess the bottom line is that if you have mice and need to diet, why not give them cla for weight loss!
2. The question remains - what about CLA for weight loss in us humans?
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A well-respected source on healing fats, Udo Erasmus isn't so keen on cla. He does not recommend cla for weight loss.
3. Normal linoleic acid (CLA for weight loss 'cousin')
has what is called cis double bonds. This looks like a kinked molecule \\_/. These fit the body perfectly and are how essential fatty acids do all their excellent work. Change the chemical bond structure even slightly, preventing crucial fatty acids from doing their important work.
But the cla in cla for weight loss has two trans double bonds. Trans double bonds also occur in hydrogenated fats like margarine (You didn't think margarine was good for you, did you?). These are not recommended for a healthy body because ...
4. Trans Fats like CLA for weight loss Do Not Promote Health
Trans fatty acids interfere with the body's normal processes
they increase cholesterol
they increase low-density lipoproteins (LDL)
-------> both of these are associated with increased cardiovascular risk.
they decrease high-density lipoprotein (HDL), which is beneficial to the body
they interfere with the liver's regular detoxification system
-------> the liver enzyme affected also metabolizes carcinogens
they interfere with the essential fatty acid function
they make platelets more sticky.
-------> Sticky platelets can increase clotting and the risk of strokes and heart attacks.
They affect the cells' membrane. They make it difficult for some molecules to get in and for others to get out.
-------> This, in turn, can affect cell vitality, immunity, and allergic reactions.
they interfere with a pregnancy
they correlate with low birth weight in humans
they lower the quality of breast milk
they increase blood insulin in response to glucose
they decrease insulin response
they interfere with the production of prostaglandins, which affect muscle tone in the walls of our arteries, amongst others,
5. arterial-related functions.
The Dutch government was so concerned with the effects of trans fatty acids on our bodies that they banned the sale of margarine that contains trans-fatty acids. And they have the longest life expectancy amongst industrialized nations. Coincidence? I wonder what they would say about CLA for weight loss!
Interestingly, you'll see in some literature touting cla for weight loss and some cancers the point that it is more stable than linoleic acid. That is true. Unfortunately, it doesn't mean the body better uses them. It is suitable for manufacturers, though, as stability means a longer shelf life and more cost-effective manufacturing techniques. Trans fats behave more like saturated fats, and we all know about saturated fats in excess.
The good news is that you can get the same effect of fat conversion from the much healthier essential fatty acids - taken in the right combination and insufficient amounts than you would for class for weight loss.
6. Why essential fatty acids are good for you
(and why they help dieters better than cla for weight loss)
they increase metabolic rate in our body when present in levels above 12-15% of total calories. This is what helps dieters and why you don't need class for weight loss. The increased metabolic rate burns fatter and results in loss of excess weight.
used for hormone-like functions that affect many tissues in the body (they are the precursors of prostaglandins)
constructs cell membranes
create electrical potentials for cellular activity
can be used for fuel energy
attract and help transfer oxygen on a cellular level
used in nerve impulses by the brain, the sense organs, adrenal glands, the testes
can buffer excess acid and excess base in our system. This relates to our body's ph balance. A typical western diet often leads to excess acidity, which has been linked to disease conditions.
Cla for weight loss blocks a lot of these functions.
The Correct Ratio of Essential Fatty Acids beats cla when it comes to weight loss.
Sources of W3 (alpha-linolenic) fatty acids: flax, hemp oil Suggested dosage (Erasmus): 2-9 g per day.
Sources Of W6 (linoleic) Fatty acids: sunflower, sesame, safflower, hemp oil Suggested Dosage (Erasmus): 9-18 g per day
Ratio: about 3:1 (W6:W3)
7. Long term use of flax oil only will result in W6 deficiency
Carbohydrates, Weight Gain & The dangers of "No Fat."
If the public uptake of CLA for weight loss and other related issues has done one good thing, it brings another side to bear on the "No Fat" mantra of many dieters. No fat is nasty for the overall health of the body. We need certain types of fat - namely, the essential fatty acids. And they can even be good like CLA for weight loss. The whole story on cla for weight loss has shown the potential. An excess of saturated fats is not ok (sorry - you knew that, though!).
8. What is most insidious about the "No Fat."
The issue is that foods labeled as "No Fat" often are very high in sugar and other carbohydrates. Aside from any implications about blood sugar levels, many people fail to realize that the body turns excess carbohydrates INTO fat. Anything high in carbohydrates that tips the overall balance of your daily intake into excess carbohydrates will result in extra fat stored in your body.
When I write about excess carbohydrates, I am not talking about eliminating them. The body needs carbohydrates too. You have to consider your activity levels (mental and physical), age, etc., to determine excess for you. If all else fails, your bottom or stomach will surely tell you :-)
btw... starches are sugar molecules bonded together. They are carbohydrates.
9. A few things to remember:
When oils are heated or chemically processed, they lose their health effects. Buy quality oils from a health food shop or in supplement form if you want the above benefits.
Take them in salad dressing, mixed with yogurt and fruit, or in juices. Just don't cook them at all!
This is a heartening story on how Kirwan Cox beat the autoimmune disease dermatomyositis with healthy oils.
I've seen on one website discussing cla for weight loss statements that link linoleic acid with fats like margarine, corn oil, and safflower oil. It goes on to say that, therefore, linoleic consumption is excessive and that the consumption of beneficial fats like those found in fish oils and flax have gone down in our society.
10. A few intervening facts...
linoleic fatty acids are ESSENTIAL to our body's functioning. They are classed as ESSENTIAL FATTY ACIDS.
Margarine is trans fat. See above. Enough said!
Corn oil and safflower oil, as produced by modern methods, are also trans fats. So everything I've written about how bad trans fats are to the body applies to these oils. Unless they are labeled unrefined or mechanically pressed, they are partially hydrogenated and TRANS fats.
Across society, many people do not consume adequate amounts of linoleic fatty acids. They are not consumed in excess.
Yes, beneficial fats such as the W3 fats in fish oils and flax are not consumed enough. But we still need to consume sufficient W6 fats (non-hydrogenated ones) like linoleic acid. Remember the ratios!
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