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  • Jack Wilson

Best CLA Supplements: The Ultimate Review & Guide

Many people don’t know what CLA supplements do or what they are for. They hear about this product when bro scientists in their gyms are throwing around big names in the wake of sounding smart.

If you’ve been wondering what CLA stands for, it’s Conjugated Linoleic Acid. Although it might sound intimidating, CLAs are one of the most researched supplements on the market. Many athletes use them to enhance their performance inside and out of the gym.

CLA cannot be produced by the human body but it’s a naturally occurring trans-fatty acid which is made from the omega-6 class of essential fatty acids. You might argue trans fats are bad for us. CLAs are not man-made so they’re not bad for your health. They are present in meat, dairy products, and cheese in low levels.

CLA has many proven health benefits (which we will come to later) but it’s not available in the desirable quantities in real food. CLA supplements were introduced to eradicate this supply-demand discrepancy.

How Is CLA Made?

CLA is derived from linoleic acid which is present in high amounts in sunflower and safflower oil. Linoleic acid is taken through a process where it converts into conjugated linoleic acid. Manufacturers then use CLA to make supplements which are usually sold in the capsule form.

Benefits of Using CLA Supplements

There are many benefits of CLA thrown around by eager bros wanting to sell you the supplement. Results are what you take your supplements for and these are the three most prominent benefits of using CLA supplements:

1. Fat Loss

CLA helps in the regulation of fat or adipose tissue by the body. CLA helps in the conversion of body fat into energy which is then used by your body as a fuel for the entire day. This leads to an increase in energy expenditure and a considerable loss in body fat.

CLA also helps in the decreasing your metabolic rate. This is in turn related to a decrease in caloric consumption. CLA increase the insulin sensitivity of your body so the fatty acids and glucose can pass through muscle cell membranes and away from fat tissue resulting in a reduction of body fat.

2. Prevents Heart Diseases

CLA helps in fighting certain types of heart diseases. It helps in using the stored fat as a source of fuel for the body which can help prevent and treat heart diseases like atherosclerosis. CLA also help in improving the blood flow in your body which can lead to unblocking of clogged arteries.

This supplement also prevents plaque and lipids from forming in the arteries which can be a big factor in the development and progression of heart-related ailments. CLA acts as an antioxidant and can prevent heart diseases by lowering blood pressure.

3. Fights Asthma and Improves Immunity

Conjugated linoleic acids (CLA) may improve the airway hyperreactivity in asthma patients, according to the results of a new study. A 4.5-gram dose of CLA each day produced a significant reduction in airway hyper-responsiveness.

There has been a rise in the new types of bacteria and viruses lately. This further leads to a weaker immune system. CLA helps in making your immune system stronger and keeps you from falling sick often.

4. Cancer Preventing Properties

This is probably the only fitness supplement which has been shown to fight cancer. “CLA is the only fatty acid shown unequivocally to inhibit carcinogenesis in experimental animals”, a study from the Cornell University and the National Academy of Sciences shows.

CLA increases our body’s ability to absorb fat-soluble vitamins such as vitamins A and D through regulation of the production and growth of new cells and through its effects on prostaglandins. These are chemicals which regulate the function of the cells in our body.

Side Effects of Using CLA Supplements

 1. Liver Damage

Some studies show CLA supplements have an adverse effect on your liver. Large doses can cause increased accumulation of fat in the liver. This can be a stepping stone towards metabolic syndrome and diabetes.

2. Fatigue

CLA supplements can convert the stored fat in your bodies into energy. This can leave you feeling tired as your fat reserves are continuously depleted. During this period you might also want to sleep and rest for longer periods of time than usual.

3. Diarrhea and Stomach Discomfort

Too much of anything is bad. Some people overdose on CLA supplements to speed up the fat burning process. This can lead you to experience frequent, urgent bowel movements that produce loose stools — diarrhea. You might also feel nausea on a high CLA dosage.

Best CLA Supplements On The Market

These are all the CLA supplements you should care about. Don’t even consider buying any other product.


This product and brand have risen to a respectable level in a short period of time. This product is the cheapest on this list but you won’t be compromising on the quality. RSP CLA has a proven track of successful transformation and a long list of happy customers.

Met-Rx Tonalin CLA 1000

Met-Rx is the best Tonalin CLA supplement. It is specifically designed for elite athletes, bodybuilders, and people who are looking to get in their peak conditions. It is also one of the most highly rated CLA supplements ever.

MusclePharm CLA Core

MusclePharm proudly boasts that their product helps in reducing fat without losing muscle. It is one of the most credible companies in the fitness industry. All their products are well researched and tested before they hit the market.

Nutrex Lipo-6 CLA

Nutrex has been killing it with its Lipo-6 range of products. They have been consistent with bringing products which are effective and cost efficient. You can’t go wrong with buying this product, especially if this is your first CLA purchase.

Evlution CLA 1000

Evlution CLA 1000 is the highest rated CLA supplement on the market. While it is on the expensive side, only a few other supplements match up to its quality and results. We can see this product and company rising to greater heights soon.

MuscleTech Platinum Pure CLA

You can expect MuscleTech products to be expensive but this doesn’t take away the fact this is one of the most reviewed and loved CLA supplement on the market. MuscleTech spends a lot of money on R&D of its products and this product is a proof of it.

Optimum Nutrition CLA Softgels

No CLA product list can be complete without mentioning this veteran supplement company. ON has been in business for a long time and has been known for the quality and results of its product. Though the name doesn’t say it but this product is the gold standard of CLA supplement.


If you’ve been trying to lose weight for a long time but have not been successful at it, CLAs are a great way to break the plateau. It’s so much more helpful if you’re looking to lose body fat without losing muscle mass.

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