Is Saturated Fat Really That Bad?

Sally Fallon, author of Nourishing Traditions has been in Australia promoting her book. Fallon promotes the benefits of saturated fats (from research undertaken by the Weston Price Foundation).
Fallon has come under heavy criticism from the Dietitians Association of Australia:
"She's basing her ideas on observations of primitive populations in isolated areas who eat traditional diets, and it's so far removed from Western civilisation," [...] "In a population that is sedentary there is no need to consume saturated fats." (The Age)
So what is the truth? Are there any real answers to this controversial and ongoing debate?
I have no answers - but many questions. I'm not the only one. New research in the UK shows that people are as confused as ever about the role of fats in our diet.
- Explain the "French Paradox". A number of European countries have low incidences of coronary heart disease yet consume high amounts of saturated fat. It's not just about wine consumption - unfortunately France has significantly more alcohol-related deaths (proportionately) than the US (src). Other sources: Monica, see also WHO.
- Should I eat butter or margarine? What is the evidence for either?
- A large review of the role of dietary fats stated that "Controlled clinical trials have also shown that replacing saturated fat with polyunsaturated fat is more effective in lowering serum cholesterol and reducing risk of CHD than simply reducing total fat consumption..." (full text - JACN)
- What about the large Nurses health study that stated "Trends toward greater reductions in CHD risk were observed in those with lower intakes of saturated fat or trans fat or higher intakes of vegetables/fruits." (abstract and full text).
- Is it just saturated fat alone that is an issue or is it a combination of high refined carbohydrate and/or starch intake as well as saturated fat intake? Has this question even been fully explored in contemporary research?
- Do we fully understand the link between blood cholesterol levels and heart disease? Is that link completely conclusive?
Quite frankly - right now we are eating too much of everything. That's why we're getting fatter - but has the focus on saturated fat been blown out of proportion?
Advice to either "eat more saturated fat" or "eat no saturated fat" is too simplistic and needs to be given within the context of the overall diet.
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38 Comments
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Created / Updated: November 23, 2011

I think since about the 1940's most of the people in the US have not been eating saturated fat. They have been eating margarine and shortening(trans fats). So how could saturated fat be causing anything.
ReplyThere is so much confusion concerning all the different dietary fats. All I know is that I feel much better when I avoid saturated fats.
Brian
ReplyI avoid transfats entirely... so definately go with butter... I don't avoid anything else entirely although I'll choose unsaturated over saturated and try to limit my quantities of high fat food. (Though I increased my intake of unsaturated fat recently... I was eating about 16 g of fat a day and a nutritionist told me I should be eating more.)
I don't think saturated is something you need to avoid entirely... and some people do try to do that. Your body was built to deal with saturated fats, and I think people forgot that-- part of the reason transfats got so big before we realized it was much worse than what it replaced.
Replythe debate about butter vs margarine has been going on for years... no one has figured it out yet. the bottom line is that fats are necessary but the food pyramid says "use sparingly"... i know this is too much information... but fats are supposed to be used as "lubrication" for the digestive system
ReplyFats are necessary for a lot of things other than just "lubrication". Your body needs fat to absorb certain vitamins, for example, and your brain needs it to function.
ReplyWe have been "simplifying" our diet in an effort to avoid all the other crap that is going into food. I personally have serious concern about all the additives, colorants and preservatives that we suck down every day. We looked at margarine (becel) vs butter and butter won hands down (17 ingredients vs 1). Oddly enough, we use WAY less real butter than margarine.
I think that because it packs a powerful punch, we use less compared to margarine. Also, besides the types of fats, the calorie content is pretty much the same per serving. We can also pronounce all the ingredients. :P
Nourishing traditions is a very good resource. A friend has it, I've read bits and bops from it. I've adapted their way of making stocks. What a difference 24 hours makes vs 5 or 6.
ReplyThe choice between butter and margarine is a little false, too. Not all margarines have transfats. What about Benecol and Smart Balance?
ReplySee, now I get the exact opposite response. The more saturated fats and the less carbohydrates I can eat, the better I feel and the stronger I am in the gym. We all have unique metabolisms and unique exercise regimes though. If I stop weight training, I start to lose my taste for protein foods.
Butter is better than margarine; it's nutrient dense and doesn't get contorted as much under heat. Heating an unsaturated oil is at least as bad as having a hydrogenated oil. Saturated fat and sugar/starch definitely is a bad combination. Finally, blood cholesterol has almost nothing to do with heart disease, at least the way we measure it.
To the quote at the top, I would say there is no need for carbohydrates in a sedentary population.
ReplyStaci, I've heard the "fat as lubrication" argument, but I can't find any reputable source claiming that fat is a digestive lubricant. In fact, the lubricant is mucus, speaking of "too much information". We do need fat, as Chicken Girl points out.
ReplyI agree with the final statement about "context of the overall diet"
What we don't need is more confusing studies about the role of this or that vitamin, or this or that fat. We need studies on the effect of whole diets and lifestyles on WHOLE people.
There are many questions remaining. Why are researchers messing about with trivialities? Study the forest NOT the trees.
Gawd!
Yours VERY frustratedly,
~Mike
PS Message to our leaders... i.e. Governments: It's YOUR responsibility! Shape up! People are literally DYING to know.
ReplyIf you've ever designed a study, or even thought about it for more than 1 minute, you'd realize that your suggestion of studying "whole diets" on "WHOLE people" is completely unrealistic. The reason that these studies are often difficult to interpret is precisely because of how complex the problem of studying diet and its relation to disease in human test subjects is; adding more variables doesn't solve the problem, it worsens it.
ReplyApart from their comprehensive grasp on nutrition, I trust Nourishing Traditions because it supports no industry. It stands against nearly everyone; at least in their current state. For example, they support eating meat and dairy, but not the way the industry produces them now.
"She's basing her ideas on observations of primitive populations in isolated areas who eat traditional diets, and it's so far removed from Western civilisation," [...] "In a population that is sedentary there is no need to consume saturated fats."
I really love when dietetic organizations do this. The message is "yes, this does/may help, but no one's going to do it anyways, so do it our way". The ADA does the same thing with low-carbing; they say low-carbing can help people with diabetes, but no one can stick to it, so do it their way. The thing to notice is they are deciding what a patient wants for themself, which is presumptuous at best. (Regina Wilshire gets credit for pointing out this trend to me)
"replacing saturated fat with polyunsaturated fat is more effective in lowering serum cholesterol and reducing risk of CHD than simply reducing total fat consumption..."
Sure, if you introduce a lot of polyunsaturateds into the body without saturated fats, your body has to drive cholesterol into cell walls to keep them stable. This is not a kind thing to do to your body though. Notice the words "risk of CHD" and not actual CHD. By their guidelines, reducing serum cholesterol is reducing risk, so are they just being redundant?
Reply"Is it just saturated fat alone that is an issue or is it a combination of high refined carbohydrate and/or starch intake as well as saturated fat intake? Has this question even been fully explored in contemporary research?"
This is a very good question. I definitely would like to know more about the harmful effects of certain food combinations. I can't help but think that simple, processed carbs + saturated fat is a one, two knock-out.
It just seems that if we focused on what we know we need (whole grains, lots of brightly-colored veggies, ample protein, etc.) the amount of saturated fat would take care of itself. When you're eating healthy foods, you don't crave unhealthy ones. I use a bit of butter on my toast and in my eggs...and rarely need it for anything else. (but, anecdotally, 15 years ago when I went from margarine to butter on that toast, my cholesterol level dropped 20 points).
p.s. though to other viewers: I've always used skim milk for my kids after age two...why do I hear some of you recommending whole milk?? I understand that fat-free salad dressing, for example, is full of sugar to make up for the loss of fat...but milk is milk...?
Replyah... milk is NOT always simply milk... especially when it's lowfat or nonfat. milk producers give lowfat and nonfat milk a thicker mouthfeel (since the fat's been removed) by added powdered milk. but the process of making powdered milk oxidizes the cholesterol... which is terrible. (homogenization does that too. if you can find non-homogenized milk in your area, you should buy it).
anyway, growing children NEED fat for their rapidly growing brains and nervous system - and the fat in whole milk, if it's from pastured cows, is really good for you. even if it's not from pastured cows, it's better than the reduced fat milks.
ReplyThanks Ryan.
Patient autonomy is truly supposed to be the foundation of the doctor-patient relationship, and by extension the relationship between organizations whom are tasked with communicating with doctors about what treatments/management options are supported by data. In the case of the ADA and dietary approach to diabetes management, it seems they've lost sight of the whole concept of patient autonomy and decided no one wants to, nor can, follow a carbohydrate restricted diet long-term, therefore they continue on with their recommendations that they even state don't work in the long-term.
So, the question begs - do carbohydrate restricted diets offer an means to manage diabetes with diet? Even the ADA has said the data supports that they can. Data from two different study populations with diabetes found both saw statistically significant improvements (and many reduced or eliminated medications) over the longer-term (up to almost two years) when following a carbohydrate restricted diet. The ADA maintains no one can follow such a diet long-term, but these two cohorts show 100% retention and compliance - maybe when given proper information and with the added incentive that following the diet led to improvement the diet can be followed in a motivated population?
Which then begs the question - should a patient with diabetes be offered a comprehensive set of guidelines with the current ADA diet side-by-side with an evidence-based carbohydrate restricted diet, along with the known/unknown risks, benefits, adherance requirements, medications necessary, etc. to make a decision for themself?
Right now, the ADA refuses to even consider doing this and instead continues promoting their dietary recommendations and now also has recommended immediate oral medication upon diagnosis in an effort to delay progression of the disease. To me this comes down to ignoring the important role the patient plays in management of their disease by ignoring the important aspect of patient autonomy - that is allowing the patient to choose the path of management/treatment they feel suits their lifestyle best and is supported by scientific data of efficacy.
ReplyIt just depends how deep you've gone into nutrition. You think whole grains are healthy, but there are some concerns. In grains, there are antinutrients. That is, there is something in them that not only doesn't nourish the body but actually works against the body being nourished. Specifically, grains will block mineral absorption, something which is very important. There are ways to reduce the amount of antinutrients, but they are not well known.
You're making the assumption that fat or saturated fat is something to be limited. I try to never let the percentage of calories I eat from fat drop below 50%. And virtually all of the fat I eat is animal. I even avoid olive oil and flaxseed oil in favor of cream and egg yolk.
You have three macronutrients: protein, fat, and carbs. You can only eat so much protein due to digestibility issues. Carbs don't contribute anything to the body; they are just energy to be burned up. Fats play many roles in the body though. Your kids are going to build their brains from fat and cholesterol. Hormonal health is affected by fats, tissue is built from fat as well as protein, fats increase nutrient absorption, and the list goes on. Eat full-fat animal foods and reduce carbohydrates, unless you're a long-distance runner or something.
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