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Are Toxins in Your Fat Cells Released When You Lose Weight?
By Tom Venuto
www.BurnTheFat.com

QUESTION: Dear Tom: I have been following your Burn The Fat system with good results. I am losing body fat and maintaining my current lean mass. I’ve noticed that during my calorie deficit phase I sometimes suffer from light headedness and nausea out of the blue for no particular reason but not during my maintenance phase. I was looking into it and read an article that said that toxins from the food in the “typical American diet” of processed crappy foods get stored inside our fat cells along with excess dietary fat when we overeat, and when we create a calorie deficit and burn the excess fat in our bodies, we release those toxins back into the blood stream. Have you ever heard of this? Any truth? ?

ANSWER: Yes, your fat cells can accumulate numerous types of toxins. For example, almost everyone has traces of pesticides in their bodies. Many people freak out when they hear this, so they become more likely to fall for all kinds of bizarre and usually unproven “detoxification” rituals. It is a shame that our environment has become polluted, but the real questions are whether trace amounts of these substances pose any health risk and whether you actually have toxic levels in your body.

One group of substances that has come to attention recently in the context of fat loss, (in addition to health concerns), is organochlorines, including DDT, PCB’s and Dioxins. There is scientific evidence that these chemicals can be stored in fat cells and are released into your system when fat is lost.

The fish and wildlife service web page (fws.gov) has some detailed info on the chemistry and toxicology. One part was of particular interest:

“Organochlorines (OC’s) are compounds that contain carbon, chlorine, and hydrogen. Their chlorine-carbon bonds are very strong which means that they do not break down easily. They are highly insoluble in water, but are attracted to fats. Since they resist metabolism and are readily stored in fatty tissue of any animal ingesting them, they accumulate in animals in higher trophic levels. This may occur when birds eat fish that have been exposed to the contaminant. It may also affect humans if they drink milk of a dairy cow that has ingested the chemical because the chemical is excreted in its milk fat. This is called biological magnification.”

Some people may recall Rachel Carson and “Silent Spring” back in the 1960’s which was largely responsible for the environmental movement and banning of DDT pesticides. Despite being banned decades ago, these chemicals can remain in our environment and in our bodies for years and organochlorine pollution appears to remain a very real issue today.

As for the release of these substances from your fat cells with weight loss, well, what can you say; those are the consequences of environmental pollution and this is just one more reason to stay lean and eat clean and perhaps also, do your share to take care of our environment, if you are so inclined. But I do believe for the most part, your body is quite well equipped to naturally detoxify most toxins that are ingested in “normal” (small) amounts or would likely be released slowly with normal rates of fat loss. I don’t think this is a reason NOT to lose weight, although some researchers say that obese men and women have to “weigh the health advantages of losing the weight with a potentially harmful effect.”

Unfortunately, there is another twist: Some data suggests that if these chemicals are released into your system as you lose weight, they could hamper fat loss by decreasing thyroid (T3 conversion) or reducing thermogenesis during weight loss if an obese person had accumulated these chemicals in their fat cells.

Everyone who loses weight experiences some degree of metabolic adaptation as they diet and lose weight, and some obese people seem to have a defect in thermogenesis or their hormones may be out of whack. Scientists began wondering if chemicals released from stored fat into circulation could be a cause of this metabolic slowdown. To the best of my knowledge, these findings have not been confirmed as causative through experimental research, but it’s a disturbing prospect because getting lean is hard enough as it is.

Regarding the question about nausea and lightheadedness, I looked at several scientific studies on this subject and even after reading the full papers, I did not see any references to nausea or light headedness being related to Organochlorine release with weight loss. I did, however, see references to suppressed immune system and estrogenic effects in addition to the effects on thyroid. Light headedness could be as simple as low glycogen or blood sugar and caloric deficit.

If you take this research at face value it creates quite a conundrum, doesn’t it? My advice is… don’t. Don’t be alarmist. Take the weight off anyway. Do it slowly and safely, and then keep it off – do NOT cycle up and down in weight. Also, this might be yet one more good reason to question the wisdom of losing weight quickly since the total body burden of OC’s is greater in overweight people than in lean people, leaving them more susceptible to adverse effects. As one researcher said, “it could be preferable to moderate body weight loss.”

I wouldn’t let articles about “the typical American diet poisoning you with toxins” make you worry too much or jump on any bizarre detox rituals that don’t have scientific support. You have to be pretty careful in the area of “detoxification” because it is filled with quackery and pseudoscience. Packaged, processed and refined foods are unhealthy. But this issue isn’t about chemicals used in food processing, nor is it as simple as saying that eating “junk food” fills you with toxins. This is an environmental pollution issue, where the toxins find their way into our food supply – even “clean foods” – and then into our bodies, where in this case, they remain there for years.

I know it would be great if I could end this article by telling you how to get the OC’s out of your system. Unfortunately, the research data I have read does not propose a solution yet. Some people choose organic to avoid pesticides that are still used today, although the benefits of that would be preventative, not retroactive. For now, the best bet is to lose weight at a sensible rate, maintain a healthy weight, and eat clean, unprocessed foods as much as possible.

If you’d like to learn more about how to decrease your body fat level in a safe, sensible, natural way, then visit: www.burnthefat.com

About the Author:

Tom Venuto is a natural bodybuilder, certified strength and conditioning specialist (CSCS) and a certified personal trainer (CPT). Tom is the author of “Burn the Fat, Feed The Muscle,” which teaches you how to get lean without drugs or supplements using methods of the world’s best bodybuilders and fitness models. Learn how to get rid of stubborn fat and increase your metabolism by visiting: www.burnthefat.com

Foods That Burn Fat: The Top 10 Lists By Tom Venuto, NSCA-CPT, CSCS
www.BurnTheFat.com
Anytime the topic of discussion in my blogs, articles or newsletters has turned to my own personal grocery shopping list, there has always been a spike in interest. It seems that many people are not only curious about what foods a natural bodybuilder eats to maintain single digit body fat, but they also want to be taken by the hand and told exactly what foods to eat themselves while on fat-burning or muscle building programs. That’s why I decided to put together four separate “top 10” lists of healthy foods that burn fat and build muscle.

Exact quantities and menus are not listed, just the individual foods, and of course my food intake does vary. I aim to get as many different varieties of fruits and vegetables as possible over the course of every week and there are a lot of substitutions made, so you are not seeing the full list of everything I eat, only what foods I eat most of the time.

I also want to point out that while I don’t believe that extreme low carbs are necessary or most effective when you look at the long term, research has shown that there are some definite advantages to a low to moderate carb and higher protein diet for fat loss purposes. These include reduced appetite, higher thermic effect of food and “automatic” calorie control.

Personally, I reduce my carb intake moderately and temporarily prior to bodybuilding competitions. Specifically, it’s the foods that are on the starchy carbs and grains list that go down during the brief pre-competition period when I’m working on that really “ripped” look. I keep the green and fibrous veggie intake very high however, along with large amounts of lean protein, small amounts of fruit, and adequate amounts of essential fats.

This list reflects my personal preferences, so this is not a prescription to all readers to eat as I do. It’s very important for compliance to choose foods you enjoy and to have the option for a wide variety of choices. In the past several years, nutrition and obesity research – in studying ALL types of diets – has continued to conclude that almost any hypocaloric diet that is not completely “moronic” can work, at least in the short term.

It’s not so much about the high carb – low carb argument or any other debate as much as it is about calorie control and compliance. The trouble is, restricted diets and staying in a calorie deficit is difficult, so most people can’t stick with any program and they fall off the wagon, whichever wagon that may be.

I believe that a lot of our attention needs to shift away from pointless debates (for example, low carb vs. high carb is getting really old… so like… get over it everyone, its a calorie deficit that makes you lose weight, not the amount of carbs).

Instead, our focus should shift towards these questions:

* How can we build an eating program that we can enjoy while still getting us leaner and healthier?

* How can we build an eating program that helps us control calories?

* How can we build an eating program that improves compliance?

Here’s one good answer: Eat a wide variety of high nutrient density, low calorie density foods that you enjoy which still fit within healthy, fat-burning, muscle-building guidelines!

Here are the lists of foods I choose to achieve these three outcomes. This eating plan is not difficult to stick with at all, by the way. I enjoy eating like this and it feels almost weird not to eat like this after doing it for so long.

Remember, habits work in both directions, and as motivational speaker Jim Rohn has said, “Bad habits are easy to form and hard to live with and good habits are hard to form but easy to live with.”

These are listed in the order I frequently consume them. So for example, if oatmeal is on the top of the list, it means that is the food I am most likely to eat every single day.

My 10 top natural starchy carb and whole grains

1. Oatmeal (old fashioned)
2. Yams
3. Brown rice (a favorite is basmati, a long grain aromatic rice)
4. Sweet potatoes (almost same as yams)
5. Multi grain hot cereal (mix or barley, oats, rye. titricale and a few others)
6. White potatoes
7. 100% whole wheat bread
8. 100% whole wheat pasta
9. Beans (great for healthy chili recipes)
10. Cream of rice hot cereal

My Top 10 top vegetables

1. Broccoli
2. Asparagus
3. Spinach
4. Salad greens
5. Tomatoes
6. Peppers (green, red or yellow)
7. Onions
8. Mushrooms
9. Cucumbers
10. Zucchini

My top 10 lean proteins

1. Egg whites (whole eggs in limited quantities)
2. Whey or Casein protein (protein powder supplements)
3. Chicken Breast
4. Salmon (wild Alaskan)
5. Turkey Breast
6. Top round steak (grass fed beef)
7. Flank Steak (grass fed beef)
8. Lean Ground Turkey
9. Bison/Buffalo
10. Trout

My top 10 fruits

1. Grapefruit
2. Apples
3. Blueberries
4. Canteloupe
5. Oranges
6. Bananas
7. Peaches
8. Grapes
9. Strawberries
10. Pineapple

Note: I DO include healthy fats as well, such as walnuts, almonds, extra virgin olive oil, flaxseeds, flaxseed oil (supplement – not to cook with), avocado and a few others.

Also, I do eat dairy products and have nothing against them, nor am I lactose intolerant. I simply don’t eat as much dairy as the rest of the stuff on my lists. When I eat dairy, its usually skim milk, low or non fat cottage cheese, low or non fat yogurt and low or non fat cheese (great for omelettes).

Last but not least, I usually follow a compliance rate of about 95%, which means I take two or three meals per week of whatever I want (stuff that is NOT on these lists – like pizza, sushi, big fatty restaurant steaks, etc)

I hope you found this helpful and interesting. Keep in mind, this is MY food list, and although you probably couldn’t go wrong to emulate it, you need to choose natural foods you enjoy in order to develop habits you can stick with long term. In the fruits and vegetables categories alone, there are hundreds of other choices out there, so enjoy them all!

About the Author:

Tom Venuto is a natural bodybuilder, certified strength and conditioning specialist (CSCS) and a certified personal trainer (CPT). Tom is the author of “Burn the Fat, Feed The Muscle,” which teaches you how to get lean without drugs or supplements using methods of the world’s best bodybuilders and fitness models. Learn how to get rid of stubborn fat and increase your metabolism by visiting: www.burnthefat.com

Fish Oil May Help You Burn Fat… But Not THAT Much Fat!

What the latest research says about omega-3 fatty acids and weight loss
By Tom Venuto, NSCA-CPT, CSCS
www.BurnTheFat.com
Unless you’ve been living under a rock somewhere for the last several years, you’ve probably heard about the health benefits of eating fatty fish or taking fish oil supplements. Well, it looks like you might be able to add fat loss alongside the other benefits like heart, blood (cholesterol/triglycerides), brain, skin and joint health (and the rest of the list, which is too long to print here).

The biologically active ingredients that seem to make fatty fish so beneficial are are the long chain omega-3 (n-3) fatty acids, EPA and DHA. At least a half a dozen human studies and more than two dozen animal studies have been completed in the last 10 years which suggest that these omega-3 fatty acids found in fish may help you lose more fat. However, the fat loss benefit is not as much as some people want you to believe…

The results of two new studies on fish oil and fat loss were just released earlier this year. In one study published by the International Journal of Obesity, researchers from Reykjavik Iceland tested the effects of fish or fish oil consumption equivalent to 1.5 grams of combined EPA/DHA on body weight and body composition as part of a calorie restricted diet. (1)

The subjects were 324 young overweight men and women who followed one of four experimental protocols for 8 weeks:

(1) sunflower oil capsules (control)
(2) lean fish
(3) fatty fish (salmon)
(4) fish oil capsules

The researchers reported the following results:

“In young, overweight men, the inclusion of either lean or fatty fish, or fish oil as part of a hypoenergetic diet resulted in 1 kilogram more weight loss after 4 weeks than a similar diet without seafood or supplement of marine origin. The addition of seafood to a nutritionally balanced energy-restricted diet may boost weight loss.”

It should be noted that the study was supported by the Seafood Plus organization and there were some limitations in the design that could have influenced the subject’s compliance.

The second study, conducted at the University of South Australia and published in the American Journal of Clinical Nutrition (2) investigated the effect of combining fish oil supplements with regular aerobic exercise.

In a 12-week, placebo-controlled study, the subjects were divided into four groups:

(1) sunflower oil
(2) sunflower oil plus exercise
(3) fish oil
(4) fish oil plus exercise.

The fish oil groups were given 6 grams of high DHA fish oil per day, which contained a total of 1.9 grams of long chain omega-3 fatty acids. The exercising groups performed aerobic exercise three days per week for 45 minutes.

As you might expect, the fish oil plus exercise group came out with the best results:

• minus 1.2% body fat (compared to no decrease in the other groups)
• minus 2 kilograms/4.4 lbs (compared to no decrease in the non exercise group).

Unfortunately, there was a limitation in this study as well: The food intake of the subjects was self reported, which is known to be notoriously inaccurate.

There have been several other human studies on fish oil and fat loss in the last ten years or so and the majority of the findings have been positive. The research is compelling and there have been numerous, and very plausible mechanisms of action proposed.

However, more and more often, I am hearing people in the health, fitness and nutrition industries making some pretty bold and I daresay, premature and outrageous claims about what fish oil can do for fat loss; claims which are not supported by the research.

The studies on fish oil and fat loss are encouraging, but the vast majority of research has been on animals (rats, mice and hamsters) and there have been limitations in nearly all the human studies so far, including:

Small sample sizes, short study durations, statistically insignificant results, lack of randomization, no control groups, imprecise body composition testing, measurement errors, self-reporting of food intake, low compliance control and fish industry or supplement industry-sponsored bias.

Even if you take the results of the existing research at face value, the fat loss really isn’t all that impressive – an extra pound here, an extra kilo there.

Many of the research results barely reach statistical significance, and you even have to wonder if these small improvements in fat loss are simply correcting omega-3 deficiency or fixing omega-3 and omega-6 imbalance… therefore, will they continue over a longer time period or is this a one time improvement?

One of the earlier studies showed the same kind of measurable but modest results: The fish oil group that took 1.8 grams of combined EPA/DHA daily lost 2 pounds and the non fish oil group lost only 0.7 pounds after 3 weeks (3).

Of course, you’ll probably take all the fat loss help that you can get, and since there are already enough good reasons to eat fatty fish for cardiovascular disease prevention and other health benefits, it’s really a no brainer to eat fish such as salmon, trout, mackerel or sardines at least twice a week. (By the way, with the exception of King Mackerel, these are species which have not been reported as having problems with mercury contamination).

Alternately, you can use a fish oil supplement to get the equivalent in omega-3 fatty acids as found in the fish. Non fish eaters or vegetarians can use flaxseed oil, a plant-based source of Alpha Linolenic Acid (ALA) which converts in the body to EPA and DHA (the efficiency and amount of conversion has been a subject of controversy, however).

Based on the three studies cited above, it looks like 1.5 to 2.0 grams per day of combined DHA/EPA is the right dose when fat loss is the goal (although some suggest you should consider body weight when choosing the dosage, i.e., 1 gram total fish oil for each 20 lbs body weight, so a big guy might go with as much as 3.0 grams)

Most fish oil capsules come in 1,000 mg size at a 30% concentration, so if you took five 1000mg capsules a day, that would give you 1.5 grams of EPA/DHA; about the same as you’d get in 3 ounces (85 g) of salmon.

Note: other studies on fish oil and fat loss tested 3.0 to 4.0 g/day of EPA/DHA, but the American Heart Association has warned against taking more than 3 g EPA/DHA per day without a physicians supervision, as there may be potential contraindications and side effects such as increased bleeding time. Based on the research, more fish oil will NOT burn more fat, so be wary of the “mega dose gurus.”

Another tip: Don’t fall for the “premium price” necessarily means better quality party line. Quality and purity are important, but you can get molecularly-distilled, mercury, PCB, Dioxin, Organochlorine-free, 3rd party tested-to-meet-label-claims fish oil for less than ten bucks per bottle of 400 (one gram) capsules… yet I have seen “fish oil gurus” selling the exact same thing for $50 to $60 claiming that everyone else’s products are “contaminated” and “inferior” in quality. If that’s true, then I’d like to see those products submitted to consumer lab for voluntary 3rd party independent analysis and head to head comparison on purity AND cost effectiveness. If they come out superior and cost effective, I will gladly publicize the results myself.

The bottom line is it looks like fish oil may be a legitimate help to your fat loss efforts, especially when combined with exercise, as there may be an important synergy there. However, the idea that fish oil is some kind of miracle fat burner is just not true.

Like Mulder on the X-files, “I want to believe”… but we need much, much more research before we can say for certain exactly how much body composition improvement you can really expect from eating fatty fish or taking fish oil supplements.

References:

(1) Hill AM. Combining fish-oil supplements with regular aerobic exercise improves body composition and cardiovascular disease risk factors. Am J Clin Nutr. 86(5): 1267-1274. 2007

(2) Thorsdottir I et al. Randomized trial of weight loss diets for young adults varying in fish and fish oil content. Int J Obesity. May 2007. pp 1-7

(3) Couet C. Effect of dietary fish oil on body fat mass and basal fat oxidation in healthy adults. Int J Obes. 21: 637-643. 1997

About the Author:

Tom Venuto is a natural bodybuilder, certified strength and conditioning specialist (CSCS) and a certified personal trainer (CPT). Tom is the author of “Burn the Fat, Feed The Muscle,” which teaches you how to get lean without drugs or supplements using methods of the world’s best bodybuilders and fitness models. Learn how to get rid of stubborn fat and increase your metabolism by visiting: www.burnthefat.com