Restaurant eating: A fructose landmine

There is no remaining question that fructose is among the worst possible things humans can consume.

Followers of the Heart Scan Blog already know this, from conversations like The LDL-Fructose Disconnect, Where do you find fructose?, and Goodbye, fructose.

But fructose, usually as either high-fructose corn syrup (44%, 55%, occasionally higher percentage fructose) or sucrose (50% fructose), is ubiquitous. I've seen it in the most improbable places, including cole slaw, mustard, and dill pickles.

It's reasonably straightforward to avoid or minimize fructose exposure while eating at home, provided you check labels and focus on foods that don't require labels (like green peppers, salmon, and olive oil, i.e., unprocessed foods). But when you choose to eat at a restaurant, then all hell can break loose and fructose exposure can explode.

So what are some common and unsuspected fructose sources when eating at a restaurant?

Salad dressings--Dressings in all stripes and flavors are now made with high-fructose corn syrup and/or sucrose. This is especially true of low-fat, non-fat, or "lite" dressings, meaning oils have been replaced by high-fructose corn syrup. It can also be true of traditional non-low-fat dressings, too, since high-fructose corn syrup is just plain cheap.

Olive oil and vinegar are still your safest bets. I will often use salsa as a dressing, which works well.

Sauces and gravies--Not only can sauces be thickened with cornstarch, many pre-mixed sauces are also made with high-fructose corn syrup or sweetened with sucrose. Barbecue sauce is a particular landmine, since it is now a rare barbecue sauce not made with high-fructose corn syrup as the first or second ingredient. Sauces for dipping are nearly always high-fructose corn syrup-based.

Ketchup--Yup. Good old ketchup even is now made with high-fructose corn syrup. In fact, you should be suspicious of any condiment.

Highball, Bloody Mary, Margarita, Daiquiri, beer--Even the before-dinner or dinner drink can have plenty of fructose, particularly if a mix is used to make it. While Blood Marys seem the most benign of all, adorned with celery, pickle, and olive, just take a look at the ingredient label on the mix used: high-fructose corn syrup.

Fructose is a stealth poison: It doesn't immediately increase blood sugar; it doesn't trigger any perceptible effect like increased energy or sleepiness. But it is responsible for an incredible amount of the health struggles in the U.S., from obesity, to diabetes, to hyperlipidemias and heart disease, to arthritis, to cataracts.

Comments (25) -

  • Chuck

    1/13/2011 3:41:14 PM |

    I can't believe that there is so much high fructose corn syrup in all these foods. Thanks for the information!

  • JohnR

    1/13/2011 3:48:51 PM |

    I question the importance here. If you've already eliminated the major offenders like sweet drinks and desserts, is the amount of fructose you're likely to consume from sources like restaurant salad dressings really likely to do any more damage than, say, the ethanol in the glass of wine you drink with dinner 4 or 5 times a week?

    Also, Heinz now makes a non-HFCS ketchup ("Simply Heinz"), not that subbing sucrose for HFCS really buys you much from a health perspective.

  • Ed Terry

    1/13/2011 4:03:34 PM |

    Proponents of HFCS state that it's no worse than sucrose.  However, the physical properties of HFCS allow it to be used in a lot more foods than sugar.

  • Tom H.

    1/13/2011 6:16:21 PM |

    I'm thinking about eating an apple a day. How would this affect my glucose levels, and lipid levels. Is my plan good, bad, or neutral? Thanks for any answers.

  • Thrasymachus

    1/13/2011 6:24:44 PM |

    I could go on about the amazing, appalling corruption of our ssystem of government but the fact the government promotes and subsidizes bad food for the benefit of a tiny portion of the population has to be one of the worst examples.

  • Might-o'chondri-AL

    1/13/2011 11:32:06 PM |

    Apple harvest, before refrigeration, was consumed as cider. The more alcoholic it got the less residual fructose it had.

    "An apple a day keeps the doctor away" is a relatively new rhyme. Old heirloom tree stock yields pretty sour apples; we've bred them to be sweeter.

  • Dr. William Davis

    1/14/2011 12:11:52 AM |

    Fructose is far worse than previously suspected. It is, in my view, a large part of the reason so many Americans are obese, diabetic, with all the complications of these conditions.

    A few milligrams per day from fructose is likely of little to no consequence. But a little here, a little there and it all adds up. Ketchup, salad dressing, a couple of pieces of fruit, some "organic agave nectar" on your dessert, an you've had a substantial exposure.

    Let the belt out a notch or two.

  • Darrin

    1/14/2011 1:53:10 AM |

    It's definitely a drag that so much of the food you get in a restaurant now is doused in sugar to match most peoples' tastes, to say nothing of the fact that everything is also cooked in refined vegetable oils!

  • yoyo

    1/14/2011 2:18:23 AM |

    Beer does not contain (more than trace) fructose. It does contain significant dextrose and starch in excess of what is found in wine/whiskey.

  • Anonymous

    1/14/2011 3:14:47 AM |

    How much fructose did a caveman on average consume? Does anyone know?

  • revelo

    1/14/2011 3:58:30 AM |

    Some of the cooked vegetables at restaurants (especially tomato sauce and diced tomatoes) also typically come from cans with BPA linings.

    MSG is also pretty common with restaurant food. I once saw a guy at a Chinese place carrying a 50 lb sack of MSG into the back door. Yes, it comes in bulk. Most horrifying food-related sight I have ever seen, and trust me, Chinatown has some pretty horrifying food-related sights. But it's not just Chinese food. MSG is everywhere.

  • revelo

    1/14/2011 5:25:49 AM |

    Re: fructose and average cavemen. "Average" is meaningless. But during berry season, I wouldn't be surprised if 60% of the calories were from berries, so 30% of calories each from fructose and glucose, with dried meat or fish making up the other 40%. Have you ever been in the mountains of Washington during August? Incredible numbers of wild blueberries, slightly smaller than the ones in stores but just as tasty. The Indians of that area preserved blueberries in salmon oil, so they would be available year-round.

    Humans are clearly designed to process fructose as 30% or more of daily calories, just like our ape ancestors. Whether this amount of fructose contributes to longevity or not is another story. Evolution needs us to bear and raise healthy offspring, which requires living to age 40 or so. After that, we are no longer needed, and evolution might even want us to get out of the way after age 40.

  • Ruth

    1/14/2011 9:16:38 AM |

    As often the solution is simple: eat real food. Don't eat anything that is advertised. Stay away from anything that has been processed. Learn how to cook.

  • Might-o'chondri-AL

    1/14/2011 6:13:14 PM |

    Just wondering about "cave men" and their kin .... It seems their epoch's realtors
    pitch about cave sites being all about location, location, location determined who got the best pickings.

    I don't think the hunting was all so easy for them. Cavemen had to share any game brought down; a fellow needed to feed his gun bearer and give his trucker some.

    For them it was probably hieracrchial portion of the kill and seasonal wild pickings. Mostly allaying hunger with rationed dried meat and what they dug up or stripped from plants.

    When the cave far from water it might mean progressive dehydration spells. Many may very well have been experiencing protracted disassociation brain chemistry states.

  • Davide Palmer

    1/14/2011 6:42:31 PM |

    Dr. Davis,

    Yet, in my opinion, I still think there is a substantial difference between consuming natural fructose and HFCS.

    For example, an apple contains polyphenols, flavanols, fiber, and other various anti-inflammatory substances that work synergistically together to buffer the some of negative effects high blood glucose.

    Pure HFCS, on the other hand is highly processed from genetically modified corn, void of any buffering nutrients and very high in reactive aldehydes and ketones(which cause serious oxidative stress and inflammation).

    --Big difference, here

    A high consumption of HFCS has, through numerous studies, been clearly implicated in numerous conditions such visceral fat, insulin resistance, fatty liver and obesity, etc. A high consumption of natural fruit has not.

    A just think this distinction should be made more clearly. Just my opinion.

  • Davide Palmer

    1/14/2011 6:42:53 PM |

    Dr. Davis,

    Yet, in my opinion, I still think there is a substantial difference between consuming natural fructose and HFCS.

    For example, an apple contains polyphenols, flavanols, fiber, and other various anti-inflammatory substances that work synergistically together to buffer the some of negative effects high blood glucose.

    Pure HFCS, on the other hand is highly processed from genetically modified corn, void of any buffering nutrients and very high in reactive aldehydes and ketones(which cause serious oxidative stress and inflammation).

    --Big difference, here

    A high consumption of HFCS has, through numerous studies, been clearly implicated in numerous conditions such visceral fat, insulin resistance, fatty liver and obesity, etc. A high consumption of natural fruit has not.

    A just think this distinction should be made more clearly. Just my opinion.

  • Might-o'chondri-AL

    1/14/2011 11:37:37 PM |

    Hi Davide Palmer,

    Would you please elaborate on ketones? I am assuming it's about the context wherein they occur.

    I was taught ketones are the heart's preferred fuel.
    One Doctor who uses cocconut oil for Alzheimers says we fortuitously convert it into ketones.

  • Davide Palmer

    1/15/2011 12:26:55 AM |

    oops...meant to say reactive carbonyls. Reactive ketones are produced in response to reactive carbonyls.

  • Anonymous

    1/15/2011 12:53:55 AM |

    your correct about the problems of BBQ sauce. i have eliminated most of the HFCS from my diet...except for BBQ sauces. the best tasting one in my opinion is Sweet Baby Rays but its loaded with HFCS, and lots of sodium. KC Masterpiece is marginally healthier and less appetizing. Any recommendations for a readymade sauce?

  • reikime

    1/15/2011 2:13:35 AM |

    As one of many out there who suffers from Fructose Malabsorption, I can tell you it is a very hard substance to avoid!  Garlic, onions, apples, pears are very high in fructose and everyone has their own personal threshhold for tolerance.

    I wonder how this factors into overall health issues such as cardiovascular disease, IDDM etc.?

  • d

    1/15/2011 2:55:36 PM |

    I read some studies (sorry, I don't have immediate links) where men eating HFCS had their lipid profiles somewhat return to baseline after eating the HFCS diet beyond 3 months?  

    Has anyone else read this?

  • ultrasonic liposuction guide

    1/18/2011 6:43:44 AM |

    I can't believe that there is so much high fructose corn syrup in all these foods. I just want to say that eat real food. Don't eat anything that is advertised.
    Thanks for the information! Please keep sharing!

  • Anonymous

    1/21/2011 2:57:10 AM |

    I thought I once read that a caveman ate only 12 to 15 tablespoons of sugar per year based on the scarcity of fruit and the type of fruit that existed but I have not been able to verify. Just wondering if anyone had data.

  • John Fernandes

    2/11/2011 3:47:17 AM |

    Research just released by University of Auckland shows that fructose consumption can harm unborn babies

    http://www.stuff.co.nz/life-style/wellbeing/4647075/Fructose-can-harm-babies-study

  • Anonymous

    2/23/2011 1:26:28 PM |

    So Dr. Davis are you suggesting we don't eat fruit at ALL. Or just have a few servings per day?

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Drive-by angioplasty

Drive-by angioplasty

Don had an angioplasty 6 months ago. When asked about the symptoms that prompted him to go to the hospital, he explained:

"I remember feeling really tired for about a week before I went. I'd read that fatigue can sometimes be a sign of heart disease. But then I had some trouble breathing. You know, like not being able to get a deep breath."

"My wife and I were planning on going on vacation. So I wanted to be certain something wasn't going on in my heart. That's when my wife insisted that she take me to the hospital.

"I kind of remember going there and arriving in the emergency room, but then I don't remember anything. Next thing I know, I'm waking up in a hospital bed. My wife and kids were there, looking all concerned. They said that I just got two stents and that the doctor just barely saved my life."

Happy story, happy ending? Not quite.

I reviewed the angiograms made during Don's hospital stay. They did, indeed, show some plaque, but not anywhere close to the amount necessary to account for symptoms like fatigue or breathlessness. For symptoms like this to occur without physical exertion, say, at your desk or relaxing at home, a critical >90% blockage would be required.

The worst "blockage" Don had was 50% at most. The leap was made to connect his relatively vague symptoms with these "blockages," leading to the implantation of two stents.

This is not as uncommon as you think. Yes, the practice of cardiology can be a life of acute procedures, urgent situations, and crises. Unfortunately, some people with questionable need for these procedures also get swept up in the wave. Sometimes it's due simply to the doctor's need to do "something," nervous family waiting in the wings. Sometiems it's intellectual laziness: putting in two stents seems to satisfy many patients' needs to have something "fixed," even when symptoms like fatigue could be due to anemia, sleep deprivation, a thyroid disorder, or any other myriad conditions that require a diagnostic effort (otherwise known as thinking). And sometimes it's simply done with financial motives, since angiplasty and related procedures pay well.

I call this "drive-by angioplasty," the impulsive, poorly considered coronary procedure that really should never have happened. How often does this happen? What percentage of heart procedures fall into this category? There are no clear-cut estimates. There are crude attempts by independent agencies that have put the number of unnecessary heart catheterizations up to 20% of the total number performed. The proportion of angioplasty procedures, stents, etc. that are not necessary is a tougher number to pinpoint, given the uncertainties surrounding the indications for these procedures, physician judgment that factors into the decision-making process, and the fact that many decisions are made on a qualitative basis, not precise quantification.

In real life, I would put the proportion of flagrant drive-by procedures at no more than 10%. However, that is 10% of an enormous number. The annual cardiovascular healthcare bill is $400 billion. 10% of that is $40 billion--an unimaginable sum. It also adds up to tens of thousands of people per year needlessly subjected to procedures. Consider that 10,000 heart procedures were performed today alone.

Should we push for legislation to control how and when heart procedures are performed? I don't think so. Despite my criticisms of the status quo in heart care, I still favor the freedom and rapid development of a free-market approach. However, you as a healthcare consumer need to be armed with information. You don't go to the car dealer unarmed with information on prices and comparative performance of the car you want. You should do the same with health. Information is your weapon, your defense against becoming the victim of the next drive-by heart procedure.

Comments (7) -

  • Anonymous

    1/27/2008 11:49:00 AM |

    You've mentioned before about the medical communities bias toward procedural medicine. If hospitals were to change their position and embrace a preventive bias for heart disease treatment, (early detection, and then addressing with appropriate supplements, drugs, and diet.) any ideas on how much savings for the nation could be had?

  • Dr. Davis

    1/27/2008 2:00:00 PM |

    Our analysis suggests $634 million per 100,000 people would be saved if they were to engage in a simple program of prevention using heart scans.

    Our analysis and rationale can be found at http://trackyourplaque.com/library/fl_hh005bankrupt.asp.

  • Rich

    1/27/2008 10:01:00 PM |

    Dr. Davis: I fully agree that legislation is not the answer to this unfortunate practice. I favor freedom for physicians, and an informed public. Government regulation can and will ruin the practice of health care and incentives for new medical techniques and approaches. For those who think the government can be helpful, take a look at Medicare.

  • Anonymous

    1/27/2008 11:02:00 PM |

    I had a “drive-by” angioplasty done in 1999 and a “drive-by” angiogram done in 2000 by the same cardiologist. He told me that I had 90% blockage on one of my main arteries after he performed the first angioplasty. Few years later, a neurologist told me that I actually suffered from panic attacks, not heart attacks. I always wonder how an experienced cardiologist could mistake a panic attack as a heart attack, not once but twice.

  • Dr. Davis

    1/28/2008 1:43:00 PM |

    "To a man with a hammer, everything looks like a nail."

    It holds true in medicine, unfortunately. Especially when each swing of the hammer pays thousands of dollars.

  • Warren

    1/29/2008 2:32:00 PM |

    I have often thought that one underlying force that drives this phenomenon might be the fear of lawsuits.  Being a lawyer, I hate to bash the legal profession, but I know that once the person is on the cath table and any blockage is found that some interventional cardiologist somewhere might choose to stent, some doctors may feel the need to practice defensive medicine.  Even before they get to the cath table this is probably an influence.  In other words, say this patient died of a heart attack soon after this hospital visit (which as we all know, could happen even if the symptoms were unrelated to his plaque burden).  If the hospital had not done the procedure (especially since they have an entire crew of people sitting around all day long just waiting to do these), it's possible that some other intervention-oriented cardiologist might be found who would testify that the standard of care these days is to do the angiogram, and that had this been done, it's quite possible, even likely, that the blockage could have been opened up and death avoided.  (Even though we know that this is speculative and depends on how close to this visit the heart attack occurs, as far as the likelihood that this might be a life-saving procedure.)  The further out the heart attack occurs, the less compelling the causation argument.  But I gotta believe that there is defensive medicine being practiced in some of these situations.  And the trouble is, it's the very state of the treatment attitude that contributes to this result, i.e., the fact that unexpected heart attacks are as common as they are, and the proliferation and ready availability of cath labs, so that they are viewed as routinely available.

  • Dr. Davis

    1/29/2008 2:59:00 PM |

    Hi, Warren-

    Yes. I agree absolutely.

    In fact, I believe this is exceptionally common. So common that it's become acceptable standard of care.

    Often the appearance of doing something is better than the appeareance of doing nothing, regardless of how ineffective the treatment is.

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