Omega-3 Oils supplements
The omega-3 fatty acids DHA (docosahexaenoic
acid) and EPA (eicosapentaenoic acid) are found in fish, including salmon and
mackerel. Another omega-3 fatty acid called ALA (alpha-linolenic acid) is found
in leafy green vegetables, nuts, flaxseed, and vegetable oils such as canola and
soy oil. The body can't make omega-3 fatty acids. But you can get them from
foods or supplements.
Omega 3 fatty acids
are fascinating nutrients. Almost every aspect of our health, physical and
mental, is related to the types of fatty acids that make up our cells and
tissues. And it appears that most of us are not ingesting the right kind of
fatty acids, the ones found in fish and fish oils. During the last decades a
large body of data has been accumulated indicating omega-3 fatty acids to exert
beneficial effects on the prognosis of patients with cardiovascular disease.
Especially, omega-3 fatty acids are regarded to be effective in reducing the
risk of sudden cardiac death after acute myocardial infarction. High blood
levels of omega-3 highly unsaturated fatty acids, found in fish oil, may help
preserve thinking ability in the elderly. Accumulating evidence suggests that
diets that include omega-3 fatty acids, specifically, eicosapentaenoic acid
(EPA) and docosahexaenoic acid (DHA), protect against the development of
dementia and Alzheimer's disease. See
Fish Oils for the
latest research.
Omega-3 supplements on
sale
Fish-Oil-Wild
is available at Physician Formulas. You may also consider
reading about krill oil
or to buy
Krill-Oil.
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Omega-3 fatty acids and cardiovascular health
Omega-3 fatty acids provide protection against stroke, particularly ischemic
stroke. The cardioprotective effects of omega3 fatty acids relate to
improvements in blood pressure, cardiac function, arterial compliance and
vascular function, as well as improved lipid metabolism, antiplatelet and
anti-inflammatory effects.
Influence of
omega3 fatty acids on heart rate
Effects of omega-3 Fatty acids on heart rate in cardiac transplant recipients.
Am J Cardiol. 2006 Nov 15;98(10):1393-5. Epub 2006 Oct 2. Harris WS,
Gonzales M, Laney N, Sastre A, Borkon AM.
University of Missouri-Kansas City School of Medicine, Kansas City, Missouri;
Mid America Heart Institute, Kansas, Missouri.
Omega-3 fatty acid (n-3 FA) consumption has been linked to reductions in the
risk of death from coronary heart disease and, recently, to lower heart rates.
The investigators previously observed a reduction of 5 beats/min in heart rate
in patients with coronary heart disease given omega-3 fatty acids (eicosapentaenoic
acid and docosahexaenoic acid) for 4 months. Reductions in HR may be explained
by enhanced vagal tone, influences on cardiac voltage-gated ion channels, or
both. The hypothesis that n-3 FAs would affect HR independent of vagal input was
investigated by studying the effects of n-3 FA supplementation on heart rate in
patients with denervated hearts after orthotopic heart transplantation.
Electrocardiographic data obtained in 2 prospective trials in which 18 heart
transplant recipients received n-3 FA supplementation (1 to 3.4 g/day) for 4 to
6 months were collected. In conclusion, omega-3 fatty acid supplementation
reduced heart rate and prolonged QRS duration in heart transplant recipients who
were presumably devoid of vagal innervation. These findings suggest that omga-3
FAs may modify electrophysiologic properties of the myocardium itself.
Omega3 and asthma
Influence of Omega 3 fatty acid dietary intake on asthma.
Rev Clin Esp. 2007 Jan;207(1):24-5. De Luis DA, Leon R, Izaola O.
Instituto de Endocrinologia y Nutricion. Facultad de Medicina. Unidad de Apoyo a
la Investigacion. Hospital Universitario Rio Hortega. Valladolid. Espana.
Some studies have detected a beneficial effect of Omega 3 (w3) fatty acid
dietary intake in the risk of asthma and other studies have demonstrated a
beneficial effect on clinical symptoms. In our area, a low intake of omega3
fatty acids is rare. However, we need to recommend a right intake of w3 and w6
fatty polyunsaturated fatty acids to reach a good ratio w-6/w-3. Perhaps, the
influence of polyunsaturated fatty acid intake could be due to the ratio w-6/w-3
and no to the total amount of w3 intake. A general recommendation is a dietary
intake of fish three times each week, one of them fat fish.
Omega-3 fatty
acids and Crohn's disease
Omega 3 fatty acids are safe and may be helpful in Crohn's disease.
Omega-3 and
statin drugs
People taking cholesterol-lowering drugs called statins who also consume omega-3
fatty acids -- typically found in fish and fish oil -- have a better
chance of avoiding heart problems than patients who take statins alone. "Our
study shows that long-term use of EPA (an omega-3 fatty acid) at therapeutic
doses is effective for prevention of major coronary events in
hypercholesterolemia (high cholesterol) patients given statins in Japan who
consume a large amount of fish," said lead researcher Dr. Mitsuhiro Yokoyama. He
is a professor of medicine at the Kobe University Graduate School of Medicine.
In the study, called the Japan EPA Lipid Intervention Study, Yokoyama and his
colleagues assigned 18,645 people to receive either 1,800 milligrams of one of
the omega-3 fatty acids, eicosapentaenoic acid (EPA), every day plus a statin,
or a statin alone. During an average follow-up of 4.6 years, the researchers
found a 19 percent reduction in major coronary events among patients taking EPA.
Patients taking EPA also had 19 percent fewer non-fatal events -- including
non-fatal heart attack, unstable angina, and coronary revascularization -- than
people taking statins alone. However, the incidence of sudden cardiac death and
death from heart disease did not differ between the groups. "This study is
further evidence of the benefit of omega-3 fatty acids for protecting against
heart attacks and other cardiac events," said Dr. Dariush Mozaffarian, an
assistant professor of epidemiology at Harvard Medical School and Harvard School
of Public Health, and author of an accompanying editorial in the journal.
Omega3 and
glaucoma
Over three million Americans have glaucoma, according to the Glaucoma
Research Foundation. Although there is no cure for glaucoma - which causes
blindness - a simple addition to your diet can help reduce the incidence of this
disease. Just add some omega-3 fatty acids to your meals. Omega-3 fats can help
reduce the risk of cancer and diabetes, improve your cholesterol and
triglycerides, foster weight loss, reduce asthma and allergies, increase
fertility and improve sexual function, fight cognitive decline, reduce wrinkles,
improve skin tone, increase your overall energy, and much more. Now, research
proves that they can protect your eyes, too. Researchers at the University of
Melbourne, Australia studied the association between dietary omega-3 fatty acid
intake and glaucoma. They fed rats either omega-3-sufficient or
omega-3-deficient diets from conception. The omega-3 diet contained safflower,
flaxseed, and tuna oils, and the omega-3 deficient diet contained safflower oil
only. Animals raised on high omega-3 diets had a decrease in intra ocular
pressure when they got older, meaning that the inclusion of tuna oil in their
diet reduced their risk of developing glaucoma. Get your omega-3 fix by eating
eggs, grass-fed beef and wild game, fatty fish, flaxseeds, and walnuts. You can
also take a fish oil supplement.
Omega-3
enriched foods
Q. Regarding omega-3 enriched foods that are being marketed. From what I've
read, everything from orange juice to cereals to eggs have been fortified. Do
these added amounts of omega-3 make much of a difference or is it mainly a
marketing gimmick? And of the omega-3 enriched food products available, which
ones do you think really deliver, if any?
A. We have not read the labels to see how much omega-3 is added to
the food products. The bottom line may be cost. If the amount of enriched
omega-3 adds significantly to the cost of the product which would be higher than
the cost of taking one cheap fish oil capsule, then I see no reason to pay extra
for omega-3 enriched foods.
Omega3 questions
Q. i read that omega3 in fish oil can increase level of apoprotein
associated with ldl, Should this woory those > who take fish oil? And
assuming the level of apoprotein is increased, does that mean that my Lp(a)
will automatically increase? i learned that Lp(a) is ldl plus apoprotein.
A. We think fish oils and omega-3 fatty acids are good for lipids
in the body.
Q. I am deciding between purchasing the Source Naturals
cod liver oil omega 3 or GPRX Omega-3 AD from gprxstore.com. Are
there any key advantages that Source Naturals cod liver oil product can
offer?
A. We are not familiar with the other product you mention.
Q. What are your thoughts on omega 3-6-9 products? My
wife and I have been taking Omega 3-6-9 by Puritan's Pride for several
years.
A. Regarding omega 3 6 9 products, there is no reason to ingest
omega 6 since the American diet already has too much omega 6. The omega-3s
are the ones that are lacking.
Q. I would like to take omega3 fish oils but I'm
confused about what type, how much and so on. Do you need the Omega 6 and
9 too? Should the DHA be higher then the EPA and if so what should the
daily dosage of each be.
A. Most Americans need more omega3 in a supplement form than omega6
or omega9. Wild fish oils are a great option in terms of providing the
excellent omega3s in the form of EPA and DHA at one to three capsules a
day.