Edited Apr-11-2011 by Earl

What is CLA?

CLA, or Conjugated Linoleic Acid, has been shown to have many beneficial properties when ingested by animals and humans. These benefits include increased metabolic rate, decreased abdominal fat, enhanced muscle growth, lower cholesterol, reduced food-induced allergic reactions, and a generally enhanced overall immune response. In animals, CLAs have been shown to fight cancer.  [source:  wipo.int]

Foods That Contain CLA

Egg yolks are high in CLA

Dairy:  Milk, Cheese, and Butter

Grass-fed cows produce milk with double the CLA concentration of grain-fed cows.  [Source:  altmedangel.com]  CLA is in the fat, so skim milk would not contain any CLA.

Whole milk appears to offer protection from prostate cancer and other cancers.  Surprisingly, low-fat milk is linked to more cancer.  The CLA in the fat may be protecting us from cancer!  Whole milk may be more healthy than low-fat milk, the opposite of what the media has pushed on us in previous years. CLA's action mimics that of omega-3 fatty acids, such as fish oil.

Milk from organic cows also contains more CLA.  [source:  organicfoodguy.com - This site says that Horizon organic milk (which I drink) uses a questionable process of adding DHA, which deserves more attention.]

Sharp cheddar has higher concentrations of CLA than regular cheese.  Cheese has between 3-to-9 milligrams of CLA per gram of fat.  [Source: lef.org]

Butter has CLA.  [Source:  orgprints.org (PDF... right-click to save), milkingredients.ca (PDF... right-click to save)]

Animal fats have more CLA than plant-based fats.  Plant oil is low in CLA.  Corn oil has been shown to increase the rate of cancer in lab tests.  [source:  University of Wisconsin  http://jchemed.chem.wisc.edu/journal/issues/1996/Dec/absA302.html]

Egg yolks are high in CLA
Egg Yolks

One large egg yolk contains 0.7g of CLA  [source:  CLA calculation]

Safflower Oil  ... 80% CLA ?  

Linseed Oil, Sunflower Oil  [Source:  orgprints.org (PDF... right-click to save)]

Meat:  Beef, Lamb, Turkey (but not chicken), Buffalo, Deer, Goat, Kangaroo

Grass-fed or pasture-fed cattle have the highest CLA concentrations.  Avoid "grain-fed" cattle.  "Grain-fed" means the cows probably ate GMO corn.  Instead, look for "grass-fed".

Cooking Food with CLA

CLA appears to be very stable, meaning it is not affected by cooking and processing.  [source:  extension.usu.edu]  In fact, cooking beef might actually increase its CLA concentration, according to p. 283 of the book: Cancer chemoprevention By Lee W. Wattenberg.

Safety of CLA

Studies in rats showed no toxicity.  [source:  nemhaupt.de]

Caffeine and CLA

Caffeine accelerates the effectiveness of CLA, thus making CLA a more potent fat burner.  CLA and caffeine, administered orally, stimulates even more mechanisms for elimination of stored fat which lead to loss of weight.  [source:   United States Patent Application 20070269533 ]

don - December 30, 2011

CLA can be taken as a supplement but often this supplement comes from Chinese manufactures. Can you recommend an American manufacture that abides by strict purity guidelines?

Earl - December 30, 2011

Sorry, I cannot recommend a man-made source.  I have also read about problems with impurities from Chinese factories.  I only consume CLA from the sources God provides.  Mushrooms and eggs are my favorite source.  Stick with organic to avoid the chemicals.  God gives us the best solutions every time.

Scott - January 6, 2013

Earl, thank you for your comment on only consuming sources of CLA that God provides! If only others could understand what has happened to our food but I can see that you do. God Bless you and thank you for this wonderfull site! My wife suffers from Athritus and currently takes a shot 2 times a week of this med perscribed by her doctor that stops the tnf chemical from working in her immune system. I believe that God has given us everything we have for a good reason and that we need to stop questioning what is there and let it do its work. I do find also information saying that cla is supposed to help arthritus. I started to look into this to put together a diet for myself. I have to consume a large amount of lean beef weekly as my work with my business is very physically demanding, but I've put on a fair amount of weight and found that this might be some what of an answer to help me burn some of that.

Earl - January 7, 2013

Scott, Thank you! I hope that God will bless your efforts to achieve a healthy weight. Yes, the food supply is at danger with chemicals, genetic engineering, pestilence, drought, and God's judgment. Matthew 24:7 tells us one of the signs to look for before Jesus returns:

“For nation shall rise against nation, and kingdom against kingdom: and there shall be famines, and pestilences, and earthquakes, in divers places. All these are the beginning of sorrows.”

But we have hope! “For whosoever shall call upon the name of the Lord shall be saved.” Romans 10 : 13

I call on the name of the Lord Jesus Christ and I hope you do, too!

phil - May 4, 2014

so a mushroom omelette cooked in safflower oil it is!

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