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One of the body’s most important organs is the kidney. Properly functioning kidneys are essential for maintaining proper blood volume and composition; for filtering and excreting or saving various chemical metabolites; and for helping to maintain proper blood pressure. Hypertension (high blood pressure) is known to result from improperly functioning kidneys. Research carried out during the last few years indicates that both saturated fat and cholesterol play important roles in maintaining kidney function, as do the omega-3 fatty acids.
The kidneys need stable fats both for their cushioning and as their energy source. We know that the kidney fat normally has a higher concentration of the important saturated fatty acids than are found in any of the other fat depots. These saturated fatty acids are myristic acid (the 14-carbon saturate), palmitic acid (the 16-carbon saturate), and stearic acid (the 18-carbon saturate). When we consume various polyunsaturated fatty acids in large amounts, they are incorporated into kidney tissues, usually at the expense of oleic acid, because the normal high level of saturated fatty acids in the kidney fat does not change.1
A species of rat known to be prone to strokes and to spontaneously develop hypertension (high blood pressure) has been used to evaluate effects of different lipids such as plant sterols or cholesterol, and also fatty acids such as omega-3 or omega-6 fatty acids in the finely tuned functions of the kidney. These animals are very sensitive to dietary cholesterol manipulations and a deficiency of cholesterol in their membranes makes their membranes weak and fragile. When plant sterols found in vegetable oils are substituted for cholesterol in their diets, these animals have a shortened life span.2 Also, these animals are reported to need a proper omega-6 to omega-3 ratio in the kidney phospholipids. It was further reported that feeding oils high in omega-6 fatty acids without omega-3 fatty acids resulted in renal injury, and that feeding oils rich in the omega-3 fatty acids such as fish oil, perilla oil, and flaxseed oil prolonged the survival time of this animal.3
The omega-3 fatty acids are recognized as being important, and the conversion of the flax oil-type omega-3 fatty acid (alpha-linolenic acid) to the fish oil-type omega-3 fatty acids (EPA and DHA) is enhanced when the diet contains saturated fat such as coconut oil. This conversion is hindered when there is extra omega-6 oils in the diet.4 Injury to the kidney from immune dysfunction (IgA nephropathy) responds to omega-3 fats (both flax oil-type omega-3 and fish oil-type omega-3).5 As noted, adding the saturated fats, especially coconut oil, improves the body’s use of omega-3 fatty acids.
Another reason that coconut oil enhances kidney function is because it supplies myristic acid, the 14-carbon saturated fatty acid.6 Myristic acid is involved in the signalling from cell membrane receptors through G proteins and their attachment to membranes. These signalling proteins require a lipid such as myristic acid to be added to one end of the protein, a process called myristolation.7
Thus, the fats that we recommend for general good health, namely various saturated animal fats and tropical oils, along with a supplement of flax oil, are also specifically helpful for kidney function. Products containing high omega-6 oils and trans fatty acids should be avoided.
REFERENCES
- Suarez et al, Lipids 1996;31:345; Taugbol and Saarem, Acta Vet Scand 1995;36:93
- Ratnayake, et al, J Nutrition 2000;130:1166
- Miyazaki et al, Biochim Biophys Acta 2000;1483:101
- Gerster, Int J Vitam Nutr Res 1998;68:159
- Kelley, ISSFAL, 2000;7:6
- Monserrat et al, Res Exp Med (Berl) 2000;199:195
- Busconi and Denker, Biochem J 1997;328:23
This article appeared in Wise Traditions in Food, Farming and the Healing Arts, the quarterly magazine of the Weston A. Price Foundation, Fall 2000.
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I received my wifes kidney feb 27th 2014. I had fsgs and it is returning slowly. We have always been health nuts. Organic eaters etc. I feel getting back on blue ice fish oil with/butter would help with my kidney defenses. Are you of the same opinion. I am on numerous meds including anti rejection drugs. My concern is how will it react with my meds? I am 65 and otherwise have no other health issues. Perfect temp, glucose, but drugs pushed my bp up a bit. No big deal. I want to get back on my standard process and medi herb products asap.
I would like to see an answer to the July 13, 2014 question.
I have a friend who has had two kidneys over stretch of years
and goes to work five days a week. I have a niece who has
kidney issues but she hasn’t had a replacement yet. Would the
fermented cod liver oil be helpful? I came to the site to
read any articles on not only if FCLO (fermented cod liver oil)
would be good for kidneys but any information regarding
how to help and or maintain good kidney health (in a person).
I just ordered and beginning to take FCLO (Blue Ice Cinnamon)
and hope to recognize benefits soon. It has only been three days
or so.
Nice article. There should be an article that talks about kidney health and magnesium and other trace minerals. People are scared of salt, but they should be scared of using the wrong kind of salt. Lots more to talk about with kidneys.
This is the ONLY article I have found in support of saturated fats for kidney health.
I lost one kidney to cancer, and the remaining has CKD Stage 3-4..I eat no meat protein, and I get an ENORMOUS amount of flack from my urology NP, nephrologist and Renal RD..all claiming that I MUST consume “heart healthy” margarines and veggie oils,lots of carbohydrates, yada yada, because they connect heart disease and cholesterol with saturated fats and warn me of strokes, etc if I dare eat butter.
I follow a Low carb High fat vegetarian diet, and eliminate all processed carbs,and get most of mine from vegetables, some popcorn, a few LC tortillas. But the constant warnings from DaVita, Livestrong, NKF, and EVERY other website on nutrition and kidneys all warn NOT to eat saturated fats. ..ALL refer to the outdated heart disease concerns.
So I take a risk in eating the diet I do, (Per conventional medical beliefs) and I was able to RAISE my GFR from Stage 4 back to Stage 3 when I went to a non-meat, high SF fats diet. I cook with coconut oil, and use butter, heavy cream liberally.
My Neph and RD insisted I eat meat..but the facts are it builds ROS waste which a kidney with CKD can’t handleā¦so I would end up THEIR healthy patient needing dialysis (which is all they know to advise) ..instead of doing as I do and eating LCHF vegetarian, and hopefully delaying dialysis forever.
Being a vegetarian what are your source of protein, I am ckd 3
For those of you with kidney disease. Try stock/bone broth. In my last pregnancy I had some symptoms of multiple organ failure and also dislocated my pelvis running. (On separate occasions) stock helped both. My pelvis popped back into place on its own in the morning after I drank the stock of of basically an entire chicken lol and I went a day and a half with no urination and extreme swelling/ edema fluid on lungs to the point I felt like I was drowning. I had to sleep sitting up. Within hours of ingestion stock my symptoms began to subside. And I was back to normal fairly quickly. I am not a chronic sufferer but I feel like it may have applications for that as well. Couldn’t hurt to try.
Wow. I’m sorry you’ve had so much trouble. Try the blood type diet…Amazing
Recently diagnosed w Genitic Celiac Autoimmune Disease. Decades of misdiagnosis by practicing practioners & dietitian professionals who only seemed to take my money, and push man made protocols of medications.(my body can not handle man made anythings). Not one did a proper blood test and the symptoms were plain as day. I have been holistic since birth (albeit the elements of vaccination were for schooling/nursing which I do neither of now). From UTI’s, kidney infection (stones as well I assume) liver, gallbladder, heart palps, neuro, restless legs, loose bowels, dramatic loss of weight (I have always been on the thin side so this is worse now) loss of appetite, depression, the list is endless. I took over the responsibility of my health from their hands and got a DNA test. (was that so hard) EVERYTHING was right there (should be mandatory for every unknown illness than using the primal guesstimation system); but after 59 yrs. This ailment unknowingly ravishing my body to mere 125lbs from 140-145 /5’9″. I am now fully holistic including my diet and eating red meat is a must but in smaller portions. I also take dessecated beef capsules and have now incorporated #COD LIVER OIL. I have the DNA markups of an elite athlete. I am only allowed 20mins of aerobics a day. it does not build muscle mass at allš¤·āāļø. I am praying that somehow the #CODLIVER OIL will make a difference in calming my kidney infection.
1. probiotics
2. digestive enzymes
3. powered electrolytes
4. desiccated liver
5. nerve support
6. gluten multivitamin
7. shatavari root extract.
A holistic acquaintance suggested #Cod Liver Oil š. ALL GLUTEN FREE no additives/preserves.
my holistic saying
I need to coin the phrase.
” Everything man makes, will kill You. including its offspring” unquote ~MaryMcLendon~
try and refute it lol
thx for reading. any help would be highly appreciative. š
Mj.
It really would be great to get an updated article on this topic please.
(after 20 years I think its almost due š )
I agree, and ask for another, updated article on kidneys, including, especially regarding chronic kidney stones. My sister in law currently has 12 in one kidney and 8 in the other and has had them since age 6 (DM type 1). I would like to know dietary changes which could help and prevent.
Hey!
to elevate some pain from stones. using a heating pad helps/ use the tincture below to keep infection and more populous of stones at a minimal
š lemons work well in keeping stones at bay. I also incorporate
1. extra virgin olive oil 1tbsp
2. ACV = apple cider vinager 2tbsp
3. 1/2 š lemon.
(as a tonic on an empty stomach). The amounts vary for each individual. I use a bit more because of my issues.
the recipe can be googled or is on YouTube.
hope this helpsā£ļø
I agree that another updated article on chronic kidney disease is due. The LCHF vegetarian diet sounds promising but again wondering about the protein sources and how has it held up. My husband is very low grade 4 (~20) and would love some recommendations on dietary protocols. He seems headed for dialysis/transplant but would like to hold off as long as possible.
I have question about eggs in particular egg yolks , have been advised to avoid because of stage 3 Renal Failure but I’m seriously under weight after a 3 week hospitalization for fungle pneumonia and have been eating 1 to 2 pastured eggs a morning for many years now and feel it is a staple in my diet , especially now as I’m trying to put on weight , and reducing my consumption of red meat for Kidney health . Are egg yolks really so bad for me , if they are pastured / organic .
Hello, I had kidney stones for many years and now I am in dialesis and I am not comfortable with this, I do not agree with a high protein diet, I do not want a transplant, I am attending a naturopathic doctor, but I think the dialesis takes away all the good that the natural brings to my body, I would like to know more about the kidneys please, thank you!!!
blood type diet…amazing
I too would appreciate an update on this article and how to improve kidney function through diet.
My problem with trying to help my kidneys is that all the books are different on dietary recommendations. Also, two big factors seem to be exercise and water intake 30-50 oz per day. Has anyone found a book on diet that is successful?
My husband was diagnosed with early stage genetic FSGS (kidney disease) in the summer of 2021. Many of his family members have it, and some have had transplants, and 2 have died from complications. After his diagnosis, we read everything we could get our hands on about how to eat for optimal kidney function. Like you said, all the books have different dietary recommendations, and often contradict each other. In our search for information, we stumbled across the WAPF, and in late fall/winter of 2021, we started eating a WAPF diet and ignored the dietary advice of the so-called medical experts. He also stopped taking the blood pressure drugs. His lab numbers came down into normal range almost immediately and have stayed that way, and he has never felt better. We truly believe that with the proper nutrition the body can heal itself, and have every expectation that he will avoid dialysis and transplant.
Hi, dear!
I’m new here, reading WAPF articles. Can you point out where is the docs related to diet? Thank you very much!