Omega 3 fatty acids are extremely beneficial for everyone. This article shows you the top 20 proven benefits of fish oil that you might not have known about. Can the health benefits of cod liver oil carry over to a pet dog? This supplement’s excellent essential vitamins and nutrients make owners wonder about this. ![]() Vitamin A in Cod Liver Oil May Impair Vitamin D Benefits. The British Medical Journal has published a remarkable paper confirming that low vitamin D levels obtained in the past are a risk factor for developing colon cancer in the future. But the study contained an even more significant finding - - as Dr. Cannell's site has reported before, vitamin A, even in relatively low amounts, can thwart vitamin D's association with reduced rates of colon cancer. ![]() ![]() And the retinol intake did not have to be that high - - only about 3,0. IU/day. Young autistic children often take 3,5. IU of retinol a day in their powdered multivitamins, which doesn't count any additional vitamin A given in high single doses. The finding explains some of the anomalies in other papers on vitamin D and cancer - - similar studies sometimes have widely different results. Cod liver oil is LIKELY SAFE for most people. It can cause side effects including belching, bad breath, heartburn, and nosebleeds. Taking cod liver oil with meals can. Nutrition facts and Information for Fish oil, cod liver. See new evidence confirming that Vitamin A in cod liver oil may impair Vitamin D benefits. The main difference between fish oil and cod liver oil is that cod liver oil is high in vitamin D. The cod liver oil has the advantage of providing. The #1 Selling Liquid Cod Liver Oil in the U.S.* Promotes heart, brain, vision, and joint health; 1,100 mg of omega-3 fatty acids per teaspoon. Cod liver oil, as the name suggests, is the essential oil extracted from the livers of Atlantic cod (Gadus morhua). The oil is commonly taken as a dietary supplement. Read reviews and buy Seven Seas Cod Liver Oil Extra High Strength 60 Capsules at Superdrug. Free standard delivery for Health and Beautycard members. Prior to 2008, I have recommended cod liver oil as a dietary supplement to support healthy vitamin D levels. However, based on more recent findings, I am updating my. ![]() This may be because the effect of vitamin A was not taken into account. In some countries, cod liver oil, which contains vitamin A, is commonly used as a vitamin D supplement, and in others it is used more rarely, causing differences in the results. If you already subscribe to the excellent newsletter from The Vitamin D Council then you're aware of this important information. If not, I highly recommend becoming a subscriber, as The Vitamin D Council is a great source of information on this vital topic. In this recent article by Dr. Cannell, he discusses the latest research published in the British Medical Journal, which confirms his previous assertion: that too much vitamin A negates many of the beneficial health effects of vitamin D. In his December 2. Dr. Cannell explained. In fact, the authors of a 1. In a paper published in the August 2. American Journal of Clinical Nutrition, Anthony Norman, an international expert on vitamin D, identified vitamin D's potential for contributions to good health in: Your adaptive and innate immune systems The secretion and regulation of insulin by your pancreas Heart and blood pressure regulation Muscle strength Brain activity There are only 3. D has been shown to influence over 2,0. That's one of the primary reasons it influences so many diseases, including: Cancer. Hypertension. Heart disease. Autism. Obesity. Rheumatoid arthritis. Diabetes 1 and 2. Multiple Sclerosis. Crohn. The substrate, or source of the vitamin A, are carotenoids from vegetables in your intestine. Your body converts these carotenoid substrates to exactly the right amount of retinol. However, when you take vitamin A as retinol directly, such as in cod liver oil, you bypass all the natural controls in this closed system. Ideally, you'll want to provide all the vitamin A and vitamin D substrate your body needs in such a way that your body can regulate both systems naturally. This is best done by eating colorful vegetables (for vitamin A) and by exposing your skin to sun every day (for vitamin D). Even Low Amounts of Vitamin A Can Negate Benefits of Vitamin DGiven that cancer, heart disease and diabetes are three of the top causes of death in the United States, ensuring that you are getting enough of this crucial vitamin should be a top priority. A study by Dr. William Grant, Ph. D., another internationally recognized research scientist and vitamin D expert, found that about 3. United States - - could be prevented each year with higher levels of vitamin D. Knowing this, it's clearly important to avoid anything that might hamper your vitamin D production, and it appears vitamin A supplementation may indeed have this effect. I highly recommend you read Dr. Cannell's article about this latest BMJ study, in its entirety, as he explains quite well how even the researchers themselves seem to have missed this crucial connection. Mazda Jenab and his 4. International Agency for Research on Cancer confirmed that low vitamin D levels are a risk for colon cancer in a dose response manner; those with the highest levels were about twice as less likely to develop colon cancer compared to those with the highest levels. However, hidden on page eight is one sentence and a small table, which shows that the benefits of vitamin D are almost entirely negated in those with the highest vitamin A intake. And the retinol intake did not have to be that high in these older adults to begin to negate vitamin D's effects, about 3,0. IU/day. Remember, young autistic children often take 3,5. IU of retinol a day in their powdered multivitamins, which doesn't count any additional vitamin A given in high single doses. This is the largest study to date showing vitamin A blocks vitamin D's effect and explains some of the anomalies in other papers on vitamin D and cancer. I spent many hours reviewing this issue in the latter part of 2. I issued a revision of my long held recommendation for cod liver oil. If you missed that important update, please take the time to review it now. I had recommended cod liver oil as a source of vitamin D for quite some time, prior to this revision. My stance was based on the fact that cod liver oil contains vitamins D and A in addition to healthy omega- 3 fats. These vitamins are essential for most everyone who cannot get regular sun exposure year- round. However, as I began reviewing the latest research, I realized there was compelling evidence that the ratios of these two vitamins may be of paramount importance in order to extract optimal health benefits. And this latest study appears to confirm that theory. It's important to understand that vitamin A is essential for your immune system and a precursor to active hormones that regulate the expression of your genes just like vitamin D, and the two work in tandem. For example, there is evidence that without vitamin D, vitamin A can be ineffective or even toxic. But if you're deficient in vitamin A, vitamin D cannot function properly either. So proper balance of these two vitamins is essential. Too much or too little of either may create negative consequences. Unfortunately, we do not yet know the optimal ratios between these two vitamins, but it is clear that nearly all cod liver oil products supply them in levels that do not appear to be ideal. You also need to discern between various forms of vitamin A. It is the retinoic acid (retinol) form of vitamin A that is problematic. Not beta carotene. Beta carotene is not a concern because it is PRE- vitamin A. Your body will simply not over- convert beta carotene to excessive levels of vitamin A. So taking beta carotene supplements is not going to interfere with your vitamin D. How Can You Ensure Proper Ratios of Vitamins A and D? As Dr. Cannell has stated in earlier writings on this topic, the ideal way to obtain the proper vitamin A to D ratio is to obtain it the way your body was designed to obtain it: Vitamin A through your diet, in the form of colorful vegetables Vitamin D through daily sun exposure on your skin In addition, it is important to realize that a high quality source of chlorella is an important superfood that is loaded with natural beta carotene and can be very useful for optimizing vitamin A levels. For more information about the vital importance of these two vitamins, please review the articles below. Can I Give My Dog Cod Liver Oil? This supplement’s excellent essential vitamins and nutrients make owners wonder about this possibility. Many people already give their dogs cod liver oil with positive results. So, as you’ve probably sensed, providing some to your best buddy can make sense. Pets can benefit, in certain situations, from the essential fatty acids. Let’s learn more about cod liver oil’s proper use, the potential downsides and also compare it with similar alternatives. Then you’ll be able to make a more informed choice for your dog’s sake. The acids, eicosapentaenoic (EPA) and docosahexaenoic (DHA), can help with a wide variety of canine health issues. But most dogs, in their prime years, don’t typically need this type of help due to a lack of nutritional imbalances. Sometimes deficiencies stem from poor quality dog food, in which case cod liver oil isn’t a solution. Geriatric dogs, or those up in age, can benefit the most from taking it for reasons we’ll explain. In general though, regular fish oil is probably a safer and equally effective choice. There’s a liquid fish oil made specifically for dogs which you add to their regular chow. It gets super reviews and we’re considering it for our oldest dog. Reasons for Using It. If your dog is slowing down then cod liver oil, in the right circumstances, can potentially help. The main reason is the omega- 3 fatty acids. Dogs, just like in humans, can experience improvement in their joints, skin, hair, brain function, cardiovascular health as well as the immune system as a result of this type of supplementation. Your best buddy may also experience higher energy levels and weight loss. In particular, if your dog suffers from arthritis, cod liver oil use may alleviate some symptoms due to its fantastic anti- inflammatory properties. No doubt, the health benefits can be substantial and numerous. On the other hand, cod liver oil can be harmful due to its soluble fats which may be unnecessary in your dog’s case. Consult with a vet before starting any dietary supplementation! Fish Oil vs. Cod Liver. There’s reason to believe that fish oil may be safer compared to cod liver oil. Both of these popular human supplements are highly regarded but there are some key differences as they apply to dogs. You see, compared to regular fish oil, cod liver contains lots of vitamin A and D which could present a problem if your dog doesn’t require it or is given too much. Experts say this is the main reason why fish oil is often preferable, especially for routine preventive use. So if you’re planning to provide cod liver oil, limit your dog’s dosage due to the potential for liver damage. That’s not to say that cod liver oil can’t ever be used for dogs but it must be done carefully and tactfully. Prudent Supplementation. If provided appropriately and within certain guidelines, the benefits of taking cod liver oil will outweigh the possible harm. There is no denying that the omega- 3 and other essential fatty acids can be excellent for your pooch’s health. What you need to determine is if your dog really needs the other vitamins, A & D. Find out or just go with a better alternative. Conclusion on Cod Liver Oil. Cod liver oil is great for dogs who require all its nutrients. Just be sure that it’s used for the right reasons and properly dosed. Quality dog food normally will provide what’s needed for a healthy dog. It’s usually older canines that stand to benefit from cod liver oil due to the onset of arthritis and other problems associated with aging. Talk to a veterinarian first because it can be harmful due to the fat soluble properties. Otherwise, consider fish oil instead. Was this Article Helpful? YES NOAdd Your Own Answer to the Question Can Dogs Take Cod Liver Oil?
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