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  1. #1
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    Thumbs up WHY Fish Oils verses Flax....and WHY Fish Oils in the 1st place!!!
    Health Benefits of Fish Oils

    Summaries of the latest research concerning the health benefits of fish oils

    Fish oil versus flax oil
    BETHESDA, MARYLAND. There is considerable evidence that fish and fish oils are beneficial to heart health, reduce the risk of cancer, and benefit mental health. The "active" components of fish oils are eicosapentaenoic acid (EPA), a polyunsaturated fatty acid with 20 carbon atoms in its backbone, and docosahexaenoic acid (DHA), a polyunsaturated fatty acid with 22 carbon atoms. Both are members of the omega-3 group of essential fatty acids. EPA and DHA are found exclusively in marine animals; fatty fish such as herring, sardines, salmon and fresh tuna are the best sources.
    Alpha-linolenic acid (ALA) is another omega-3 fatty acid found in flaxseed and flaxseed oil. ALA has 18 carbon atoms in its backbone and can be converted to EPA in the body (in the liver) by the addition of two carbon atoms. EPA, in turn, can be converted to DHA. Because the typical American diet is relatively low in fish intake ALA becomes a crucial source of the EPA and DHA required for optimum health.
    Researchers at the National Institutes of Health have just completed a study designed to determine just how much ALA is actually converted to EPA in the body. Their study included eight healthy subjects who were fed a standard diet for three weeks and then given one gram of ALA labeled with an isotope tracer. The diet was beef-based in order to avoid extraneous sources of EPA and DHA. The researchers measured blood plasma concentrations of ALA, EPA and DHA 8, 24, 48, 72, 96 and 168 hours after ingestion of the labeled ALA.
    The results show that only about 0.2 per cent of the ALA (2 mg) was actually converted to EPA. In contrast, about 23 per cent of the EPA was available for conversion to DHA. The researchers also noted that the half-life (the time it takes to reduce initial concentration by 50 per cent) of ALA in blood plasma was quite low at about one hour. In comparison, the half-life of EPA was 67 hours and that of DHA 20 hours.
    The researchers conclude that ALA is not a viable source of EPA and DHA and cannot replace fish and fish oils in the diet. Editor's Note: According to this new data a tablespoon of flax oil would only result in the synthesis of about 30 mg of EPA far less than the recommended daily intake of 220 mg.
    Pawlosky, Robert J. Physiological compartmental analysis of alpha-linolenic acid metabolism in adult humans. Journal of Lipid Research, Vol. 42, August 2001, pp. 1257-65


    Fish oils and the immune system
    OXFORD, UNITED KINGDOM. Animal studies have shown that an increase in fat intake can decrease the number of natural killer (NK) cells found in the blood and spleen. NK cells are an integral part of the natural immune response to virus infections and certain types of cancer. Researchers at Oxford University now report that fish oil significantly decreases NK cell activity in healthy human subjects.

    Their clinical trial involved 48 men and women aged 55 to 75 years. The participants were randomized to receive one of six supplements for 12 weeks. The supplements were all provided in the form of capsules, three of which were to be taken with each meal. The nine capsules (daily intake) contained either a total of 2 g alpha-linolenic acid, 770 mg gamma-linolenic acid (from evening primrose oil), 680 mg arachidonic acid, 720 mg docosahexaenoic acid (DHA), 720 mg eicosapentaenoic acid (EPA)+ 280 mg DHA (fish oil) or a placebo (an 80:20 mix of palm and sunflower oils). All the participants had blood samples taken four weeks before start of supplementation, immediately before start of supplementation, and then every four weeks during the trial as well as after a four-week washout period. The researchers found no changes in killer cell activity except in the group taking fish oil. Here they observed an average decline of 20 per cent after 8 weeks and 48 per cent after 12 weeks. The decline was completely reversed after the washout period. The fact that no decline was observed with pure DHA strongly suggests that EPA was responsible. The researchers conclude that an excessive EPA intake could have adverse effects for people at risk of viral infections and some cancers. Editor's Note: The British researchers' speculation about fish oils perhaps affecting the effectiveness of NK cells in killing cancer cells is at odds with the results of many other studies. There are at least a dozen studies that show a clear protective effect of fish or fish oil against breast, colon, and prostate cancer. NOTE: This study was partly funded by Unilever. [54 references]
    Thies, Frank, et al. Dietary supplementation with eicosapentaenoic acid, but not with other long-chain n-3 or n-6 polyunsaturated fatty acids, decreases natural killer cell activity in healthy subjects aged >55 years. American Journal of Clinical Nutrition, Vol. 73, March 2001, pp. 539-48

    Alpha-linolenic acid and DHA
    GRONINGEN, THE NETHERLANDS. Alpha-linolenic acid (ALA) and docosahexaenoic acid (DHA) have both been shown to reduce the risk of heart disease. Studies using isotopically labeled ALA have shown that it can be converted by the body to EPA (eicosapentaenoic acid) and DHA, but how significant this conversion is in actual practice is not known.

    Dutch researchers now report that the conversion of ALA to DHA in vegans (strict vegetarians) is negligible and that supplementation with ALA does not increase DHA levels significantly. Their trial included 6 healthy men and 3 healthy women between the ages of 20 and 60 years who were adhering to a vegan diet (no meat, fish, eggs or dairy products). The participants were randomized to receive either 2.01 grams of ALA (4 ml linseed [flax] oil) daily or 1.17 grams of gamma-linolenic acid (6 ml borage oil) daily for a four-week period. This was followed by a four-week period during which all the participants received both supplements. Blood samples were taken and analyzed for fatty acid content at the start of the trial and after four and eight weeks. Neither the linseed oil nor the borage oil by themselves increased blood levels of EPA or DHA, but their combination did produce a statistically significant, but nevertheless negligible, increase in EPA and DHA in the cholesterol and triglyceride fractions of the blood. The researchers point out that a clinical trial involving omnivores (meat and fish eaters) gave similar results and conclude that ALA supplementation is not effective in increasing DHA levels significantly.
    Fokkema, M.R., et al. Short-term supplementation of low-dose gamma-linolenic acid (GLA), alpha- linolenic acid (ALA), or GLA plus ALA does not augment LCP omega-3 status of Dutch vegans to an appreciable extent. Prostaglandins, Leukotrienes and Essential Fatty Acids, Vol. 63, November 2000, pp. 287-92

    Polyunsaturated fatty acids are safe
    OSLO, NORWAY. Polyunsaturated fatty acids (PUFAs) of the n-6 and n-3 configurations cannot be synthesized by humans and must be obtained from the diet. The most common PUFAs are linoleic acid, linolenic acid, and eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA) found in fish oils. Linoleic acid is an n-6 configuration while linolenic acid, EPA and DHA are of the n-3 configuration. Because of the unsaturated nature (multiple double bonds) of PUFAs they are prone to oxidation which makes them rancid and potential initiators of chain reactions which can lead to oxidation of fat and cholesterol molecules in the body. This so-called lipid peroxidation reaction is believed to be implicated in atherosclerosis, cancer and inflammation.

    Dr. Jan Eritsland, a cardiologist at the Ulleval University Hospital, has just released a major study dealing with the safety of n-3 and n-6 PUFAs. Based on numerous reports published in the medical literature Dr. Eritsland concludes that a high intake of n-3 PUFAs reduces the risk for cardiovascular disease and heart attack and is entirely safe at least up to a level corresponding to 10% of the daily calorie intake. He does caution though that the intake of dietary antioxidants (especially vitamin E) needs to be increased if the PUFA intake is increased. Supplementation with 4 grams/day of highly concentrated fish oil (containing 3.4 g of EPA and DHA) was found to lower triglyceride levels, but had no effect on cholesterol levels or glycemic control (plasma glucose and insulin levels). Although fish oils are known to reduce the tendency of blood to aggregate (clot) a recent major trial showed no difference in bleeding episodes among heart disease patients supplementing with 2 to 5 grams/day of fish oils and the controls. This held true even if the patients were also taking warfarin or aspirin. PUFAs of the n-3 family may help prevent cancer and there is no evidence at all that they promote it. There is, however, some limited evidence that n-6 PUFAs (linoleic acid) may indeed be involved in the initiation or promotion of cancer. Most experts recommend that the intake of linoleic acid not exceed 10% of daily calorie intake. [73 references]
    Eritsland, Jan. Safety considerations of polyunsaturated fatty acids. American Journal of Clinical Nutrition, Vol. 71 (suppl), January 2000, pp. 197S-201S

    Fish oils are vital to your health
    PORTLAND, OREGON. Research carried out over the past 20 years has clearly shown that omega-3 fatty acids such as DHA (docosahexaenoic acid) and EPA (eicosapentaenoic acid) are essential elements in human nutrition. The primary source of DHA and EPA is fatty fish and oils from the tissues of such fish. DHA is a vital component of the phospholipids in cell membranes throughout the body, but is particularly abundant in the brain, retina, and sperm. Fish oils either from whole fish or in the form of supplements have been found to aid in preventing or ameliorating coronary heart disease, stroke, lupus, nephropathy (kidney disorders), Crohn's disease, breast cancer, prostate cancer, colon cancer, hypertension, and rheumatoid arthritis. Fish oils have been found particularly effective in preventing arrhythmias and sudden death from cardiac arrest. Several studies have shown that people who eat fish once or more each week can reduce their risk of sudden cardiac death by 50-70 per cent. EPA has been found to inhibit blood clotting and EPA and DHA contained in fish oils inhibit the development of atherosclerosis. Fish oil supplementation also significantly lowers overall triglyceride and cholesterol levels without affecting the level of HDL ("good" cholesterol).

    Recent research has shown that the consumption of high fat meals can initiate the development of atherosclerotic deposits. This effect can be substantially reduced by taking fish oil prior to eating such meals. Omega-3 fatty acids are essential to fetal development and a deficiency of DHA during gestation can lead to visual impairment and perhaps, lower intelligence quotients.

    In summary, omega-3 fatty acids and in particular, DHA and EPA from fish oils, are essential for human development and in the prevention and amelioration of many common disorders. [38 references]
    Connor, William E. Importance of n-3 fatty acids in health and disease. American Journal of Clinical Nutrition, Vol. 71 (suppl), January 2000, pp. 171S-75S

    Benefits of essential fatty acids
    HONOLULU, HAWAII. Dr. Joseph Pepping, a consulting pharmacist at the Kaiser Permanente, provides a comprehensive review of the many benefits of omega-3 fatty acids and their derivatives. He cites evidence that eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA) which are found in fish oils are helpful in the prevention and treatment of cardiovascular disease, arrhythmias, diabetes, breast cancer, and arthritis. While EPA is readily synthesized in the body from alpha-linolenic acid (found in flaxseed oil) Dr. Pepping states that the synthesis of DHA is much more difficult and that DHA must be obtained directly from fish, certain algae or green, leafy vegetables. He also points out that the body's optimal balance between omega-6 (linoleic) and omega-3 (linolenic) fatty acids is a 2:1 to 4:1 ratio. Unfortunately, the typical Western diet contains these acids in ratios of 20:1 to 25:1. An excess of omega-6 fatty acids can lead to formation of blood clots, allergic and inflammatory disorders, and the accelerated growth of certain cancer cells. Dr. Pepping recommends two servings of cold-water fish (e.g. salmon, mackerel or herring) per week, 2-4 grams of fish oil capsules per day or 15-30 ml of flaxseed oil per day as a preventive measure. He points out that it is important to add 200 IU of vitamin E to the daily diet if supplementing with fish oils. He also advises caution regarding fish oil supplementation in patients taking warfarin, heparin, low-molecular weight heparin, ticlopidine or clopidogrel.
    Pepping, Joseph. Omega-3 essential fatty acids. American Journal of Health-System Pharmacy, Vol. 56, April 15, 1999, pp. 719-24

    Your brain needs DHA
    NEW YORK, NY. Dr. Barbara Levine, Professor of Nutrition in Medicine at Cornell University, sounds the alarm concerning a totally inadequate intake of DHA (docosahexaenoic acid) by most Americans. DHA is the building block of human brain tissue and is particularly abundant in the grey matter of the brain and the retina. Low levels of DHA have recently been associated with depression, memory loss, dementia, and visual problems. DHA is particularly important for fetuses and infants; the DHA content of the infant's brain triples during the first three months of life. Optimal levels of DHA are therefore crucial for pregnant and lactating mothers. Unfortunately, the average DHA content of breast milk in the United States is the lowest in the world, most likely because Americans eat comparatively little fish. Making matters worse is the fact that the United States is the only country in the world where infant formulas are not fortified with DHA. This despite a 1995 recommendation by the World Health Organization that all baby formulas should provide 40 mg of DHA per kilogram of infant body weight. Dr. Levine believes that postpartum depression, attention deficit hyperactivity disorder (ADHD), and low IQs are all linked to the dismally low DHA intake common in the United States. Dr. Levine also points out that low DHA levels have been linked to low brain serotonin levels which again are connected to an increased tendency to depression, suicide, and violence. DHA is abundant in marine phytoplankton and cold-water fish and nutritionists now recommend that people consume two to three servings of fish every week to maintain DHA levels. If this is not possible, Dr. Levine suggests supplementing with 100 mg/day of DHA.
    Levine, Barbara S. Most frequently asked questions about DHA. Nutrition Today, Vol. 32, November/December 1997, pp. 248-49

    Health benefits of fish oils
    SANTIAGO, CHILE. Fish oils are excellent sources of EPA (eicosapentaenoic acid) and DHA (docosahexaenoic acid). EPA and DHA in turn are important components of cell membranes and as such play a vital role in overall health. Studies have shown that Greenland Eskimos, who have a very high intake of fish oils, have a very low incidence of heart attacks, asthma, diabetes, psoriasis, and allergies. A Dutch study found that middle-aged men who ate as little as 30 grams of fish per day (average) reduced heart disease mortality by 50 per cent. A study at the Harvard Medical School concluded that men who eat fish have a 26 per cent lower risk of death from coronary artery disease than men who do not eat fish. Other studies have shown that an adequate DHA supply is essential for normal eye and brain development in infants and children. Fish oils are found in high concentrations in herrings, sardines and anchovies, in medium concentrations in salmon, and in somewhat lower concentrations in sole, halibut, cod and shellfish. Fish oils have demonstrable benefits in the prevention and treatment of cardiovascular disease; they reduce blood pressure and triglycerides, modify platelet aggregation, and minimize inflammatory responses. There is anecdotal evidence that fish oils may be beneficial in the treatment of migraine headaches, asthma, and psoriasis. Cell membranes rich in polyunsaturated fatty acids such as EPA and DHA are, however, more susceptible to peroxidation by free radical reactions. This may severely affect their structure and function unless precautions are taken to ensure that the free radicals are neutralized by lipid-soluble antioxidants. Research has shown that people taking fish oil supplements also need to increase their intake of vitamin E.
    Uauy-Dagach, Ricardo and Valenzuela, Alfonso. Marine oils: the health benefits of n-3 fatty acids. Nutrition Reviews, Vol. 54, November 1996, pp. S102-S108

    Role of fish oils in health and disease
    WASHINGTON, DC. Dr. Artemis Simopoulos of the Center for Genetics, Nutrition and Health has just released a major, ground-breaking study concerning fish oils and their role in human health. Dr. Simopoulos' 25-page report contains 211 references and is truly a gold mine of information about omega- 3 fatty acids and in particular the polyunsaturated fatty acids, eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA), found in fish oils.

    Dr. Simopoulos points out that omega-3 polyunsaturated fatty acids (PUFAs) are essential for human health, but that their intake has gradually declined over the years. It is believed that man evolved on a diet with a ratio of omega-6 to omega-3 PUFAs of about 1:1. Today this ratio is more like 10:1 and in some societies is approaching 25:1. A relative over-abundance of omega-6 PUFAs has been implicated in excessive blood clotting, allergic and inflammatory disorders, and certain cancers. An adequate intake of omega-3 PUFAs, on the other hand, has been linked to improved cardiovascular health. A recent study concluded that a daily intake of 500 to 1000 mg of long chain omega-3 PUFAs reduces the risk of cardiovascular death in middle-aged American men by about 40%. Other studies have shown that although fish oils help prevent undesirable blood clotting reactions they do not increase bleeding time and are quite safe even for people scheduled for major surgery. Animal studies have found that fish oil supplementation markedly reduces the risk of fatal arrhythmias. Fish oils have also been found beneficial in preventing or treating hypertension, arthritis, psoriasis, ulcerative colitis, cancer, and certain diabetes- related complications. EPA and DHA are both essential for pregnant mothers and infants and a deficiency can retard the development of the brain and retina.

    It is estimated that the optimal daily intake of EPA and DHA (total) is about 300 to 400 mg/day. The current average intake in the United States is only 50 mg EPA and 80 mg DHA per person per day indicating a massive deficiency in the American diet. Dr. Simopoulos points out that the Canadian Ministry of Health's guidelines for fatty acid intake recommends a daily intake of 1000 to 1800 mg of omega-3 PUFAs. She cautions that fish oil supplements should always be stabilized with adequate amounts of vitamin E in order to prevent oxidation leading to rancidity. [211 references]
    Simopoulos, Artemis. Omega-3 fatty acids in health and disease and in growth and development. American Journal of Clinical Nutrition, Vol. 54, 1991, pp. 438-63



  2. #2
    tee
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    Thanks DRveejay. Great info.

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    Community Veteran JohnnyB's Avatar
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    Good read Bro

    JohnnyB

  4. #4
    WI
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    Solid post DRveejay, took awhile to read but definitely some good info. Is their any particular Fish Oil brand you guys recommend?

  5. #5
    I am banned! Drveejay11's Avatar
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    Originally posted by WannaImpress
    Solid post DRveejay, took awhile to read but definitely some good info. Is their any particular Fish Oil brand you guys recommend?
    ANY reputable brand will do as they would be most apt to following the correct storage procedures indicated for Fish Oils' proper preservation.

    The stuff is relatively inexpensive too.

  6. #6
    I am banned! Drveejay11's Avatar
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    WI: These are the kind I use: https://www2.acadia.net/cgi-bin/BAC/web_store.cgi
    (Be sure to type in Essential Fatty Acids in their search function )

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    Ken
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    Thanks bro.. good read!

  8. #8
    WI
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    Originally posted by DRveejay11
    WI: These are the kind I use: https://www2.acadia.net/cgi-bin/BAC/web_store.cgi
    (Be sure to type in Essential Fatty Acids in their search function )
    Thanks Doc., good ole BAC.

    What amount do you guys normally take?

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    Community Veteran house1's Avatar
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    great read bro

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    In light of the FDA warnings on mercury levels of some fish, I'm leaning towards hemp and flax oils. For whole fish, I eat lots of Salmon (wild not farmed).

    Here's a pic of the FDA's chart of mercury levels in fish
    Attached Images Attached Images

  11. #11
    tee
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    Originally posted by gunz
    In light of the FDA warnings on mercury levels of some fish, I'm leaning towards hemp and flax oils. For whole fish, I eat lots of Salmon (wild not farmed).

    Here's a pic of the FDA's chart of mercury levels in fish

    Shit, that means big brother will be banning it next just like Ephedra!

  12. #12
    Junior Bodybuilder trendkill's Avatar
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    good read man, i wanted to learn more on that too! Thanks!

  13. #13
    I am banned! Drveejay11's Avatar
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    Originally posted by WannaImpress
    Thanks Doc., good ole BAC.

    What amount do you guys normally take?
    Dosage/Administration:

    Dietary recommendations: 2 to 3 servings of fatty fish per week, which corresponds to 1.25 g EPA plus DHA per day.


    Fish oil supplements: 3 to 4 g standardized fish oils per day. This amount corresponds to 2 to 3 servings of fatty fish per week.


    Some products may also contain vitamin E to prevent oxidation of the oil in the capsule to maintain freshness through the expiration date. Follow the directions on product labels for both dosage information and storage requirements. Some products may require refrigeration. Do not use products beyond their expiration date.

  14. #14
    Senior Member mvmaxx's Avatar
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    ^

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    Olympian Bodybuilder simpllyhuge's Avatar
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    i take like 5 pils a day some times more like 10, is this to much. I get it for dirt chea at costco.

  16. #16
    I am banned! Drveejay11's Avatar
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    No, it's not "too much" !

    If you are not getting any kind of blaoting/indigestionat that high of a dos, God bless ya!

    It's GREAT stuff.

  17. #17
    Ken
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    Originally posted by DRveejay11
    No, it's not "too much" !

    If you are not getting any kind of blaoting/indigestionat that high of a dos, God bless ya!

    It's GREAT stuff.
    Shit yea I got like 200 SoftGels @ 1000Mgs per Gel for $10

  18. #18
    I am banned! Drveejay11's Avatar
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    Originally posted by Ken
    Shit yea I got like 200 SoftGels @ 1000Mgs per Gel for $10
    nice

  19. #19
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    I agree that supplementing with fish oil is highly beneficial. I take 6grams ed.
    BTW you should get 250 caps for $10 @ your local drugstore.

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