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Study Finds Link Between Artificial Sweeteners and Glucose Intolerance

onproton (3434437) writes The journal Nature released a study today that reveals a link between the consumption of artificial sweeteners and the development of glucose intolerance [note: abstract online; paper itself is paywalled], a leading risk factor for the development of type 2 diabetes, citing a critical alteration of intestinal bacteria. Paradoxically, these non-caloric sweeteners, which can be up to 20,000 times sweeter than natural sugars, are often recommended to diabetes patients to control blood glucose levels. Sugar substitutes have come under additional fire lately from studies showing that eating artificially sweetened foods can lead to greater overall calorie consumption and even weight gain. While some, especially food industry officials, remain highly skeptical of such studies, more research still needs to be done to determine the actual risks these substances may pose to health.

15 of 294 comments (clear)

  1. No, they don't cause weight gain by DragonIV · · Score: 4, Insightful

    That weight gain claim stems from a study published in the Journal of Toxicology and Environmental Health back in 2008. It was refuted the very next year in Regulatory Toxicology and Pharmacology, who found all sorts of problems with the study and the conclusions drawn by it. The glucose intolerance angle could be interesting, and have ramifications, but it was one study. After some more review, and more studies, we might be able to draw some real conclusions, but not right now.

    1. Re:No, they don't cause weight gain by Anonymous Coward · · Score: 5, Informative

      If artificial sweeteners are actually giving some people diabetes by disrupting their sugar absorption, then that is indirectly leading to their weight gain through the problems caused by diabetes or at least a diabetes-like state in their blood stream. It doesn't mean that the artificial sweetener itself is directly causing the weight gain.

      Disappointed this submission didn't link to the article in New Scientist which does a better job explaining the paper.

  2. Re:Does HFCS count? by Charliemopps · · Score: 5, Funny

    Does HFCS count as a sugar substitute, or real sugar ?

    A while back Mt Dew had a 'Throwback' drink that had 'real sugar'. Haven't seen it lately.

    It's still very popular here. Though, I live in hippy central. I know a lot of people that refuse to eat fake sweeteners and corn sugars. They're switching to these "throwbacks" and, for example, Hunts Ketchup because it has regular sugar. Anecdotaly, none of them have lost weight as a result that I know of. But they certainly have gotten more annoying.

  3. Details by Major+Blud · · Score: 5, Informative

    I read up on this yesterday when it was posted to ArsTechnica. I'm a type 1 diabetic so studies like this catch my interest. The interesting part is that the mice that were given artificial sweetners had higher glucose levels than those with regular sucrose diets. The theory is that the artificial sweetners are affecting the bacteria in the gut of the mice, which is affecting how glucose is absorbed into the bloodstream.

    One should not though that the human trial only included 7 volunteers, which is hardly enough for a good sample. I'm interested to see the findings of a test conducted on a larger sample group.

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    1. Re:Details by ColdWetDog · · Score: 4, Insightful

      A couple of thoughts:

      The researchers did show some suggestive evidence that gut microflora impacts glucose metabolism and that use of artificial sweetners can disrupt that. The numbers are low and it's not clear how germaine the results are too humans (poor mice...).

      However, consider this: The microbiota changes only occur in mice fed ONLY the artificial sweetener. The thesis being that this clogs up some unknown regulatory pathway in the microbiota which leads to glucose intolerance. Although the did perform some mix-back experiments (n=7), they did not perform the standard 'rescue' experiment which, for humans anyway, would be very telling:

      What happens with a Diet Coke and a Snicker's Bar? It's always best to test these ideas under real world conditions.

      Inquiring minds want to know.

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  4. Re:Study evaluated sacharin vs glucose by Charliemopps · · Score: 4, Informative

    Saccharin isnt used in diet drinks anymore for the most part
    and who consumes pure gluecose in any quantity?

    They should have tested sugar vs hfcs vs Aspartame vs Sucralose

    Per the study they tested saccharin, sucralose and aspartame.

  5. Re:Does HFCS count? by Megol · · Score: 4, Interesting

    That is largely a myth. The difference isn't measurable in most practical cases.

  6. You Kids Get Off My Lawn by Greyfox · · Score: 5, Interesting
    I remember the original Saccharin scare in the '70's, and several of the hippy chicks in my extended family warning me and my parents off artificially sweetened "poison." Yeah, they actually said "poison." Hippy chicks are like that. Fast forward to the late '90's and the food companies start pushing the idea that "No, they're fine! Really!" As annoying as the hippy chicks are, I'm more inclined to trust them over some corporation whose entire profit-driven reason for existing is to turn me into a fat fuck. The guys who own them probably also own the pharmaceutical companies that make the drugs that try to fix all the side effects of being a fat fuck, too. That's a win-win for them, right there.

    Ultimately if you want to solve this problem, don't eat sugar OR artificial sweeteners. Don't put anything that could be found in a vending machine in your body. Good dietary tip right there. If everyone in the world just stopped drinking soft drinks, that'd be an enormous win for humanity's overall health. Sure, it would destroy a few of the most powerful companies on the planet in the process, but you can't make an omelette without breaking a few eggs.

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    1. Re:You Kids Get Off My Lawn by codeButcher · · Score: 4, Funny

      Don't put anything that could be found in a vending machine in your body. Good dietary tip right there.

      I've read some dietary advice the other day (paraphrased): Read the label for hidden sugars. Better yet, don't eat anything that has a label.

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    2. Re:You Kids Get Off My Lawn by pen · · Score: 4, Interesting
      "Natural" means "tested by hundreds of thousands of your ancestors who lived to reproduce", provided this is actually true for whatever you're eating.

      "Artificial" means "some lab tech trying to feed his/her family on 50k/year synthesized it and then it passed FDA testing without killing anyone or making them sick right away"

  7. If you want a Diet avoid Diet food. by jellomizer · · Score: 5, Interesting

    I have lost 75lbs. Part of it was exercise, and the other part is cutting out Diet food from my Diet.
    If I want something sweet, I eat something with Real Sugar.
    If I want something fattening then I will eat something fattening, like with real butter.

    I am not about organic and all natural. But you should focus more on foods that you know of. They will tend to fill you up and stop the craving.
    Diet food, doesn't fill you up or solve your craving. So you eat more of it.

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  8. Re:Does HFCS count? by codeButcher · · Score: 5, Informative

    sugar: 50% fructose, 50% glucose HFCS: 55% fructose, 45% glucose

    zomg, clearly hfcs is the reason people are getting so much fatter.

    Most of the glucose one ingests goes directly to "blood sugar", where insulin (if you still have sufficient of the latter **) mops up any unused glucose, converts it to a storable molecule, and stores it in muscle or fatty tissues until needed. Fructose, on the other hand, mostly gets converted to fats in the liver, which are then stored until needed.

    OK, "needed" does not only refer to exercise ONLY, but also to metabolic processes (e.g. breaking up more complex sugars/starches for digestion), thinking, etc. - it's a general cell fuel. So glucose is more readily available in the blood and thus gets used more and stored less. Fructose in the presence of glucose gets stored more than fructose alone.

    Sorry, no citations, as I was hard pressed to find sufficient details (in layman's terms) on the internet to confirm this when I read it in an article. I had to track down a dietitian to confirm it - apparently it's common knowledge in that field.

    ** = Diabetics usually do not produce sufficient insulin, as you may know. The excess glucose in the blood damages proteins in a process called Glycosylation (layman's description, it's not that simple in reality) - including a lot of important tissues like coronary veins. HbA1c is glycosylated hemoglobin which can be easily tested via blood tests - a blood percentage HbA1c against "normal" hemoglobin above about 6.4% represents a sudden increase in risk of cardiovascular disease.

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  9. Re:Does HFCS count? by NoImNotNineVolt · · Score: 5, Insightful

    Hunts ketchup used to use sugar instead of HFCS. It no longer does. They still have a Hunts "Natural" ketchup that uses sugar, but I believe all of the other Hunts ketchup has reverted to once again using HFCS. Tell your hippie friends to read the label before simply assuming their Hunts is HFCS-free.

    There's other reasons for avoiding HFCS besides wanting to lose weight or trying to be healthy. I avoid it because I hate corn farmers and wish the Cuban embargo would be lifted to dramatically decrease the cost of cane sugar.

    --
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  10. Insulin Response from actual Sugar, Honey, etc by CrashNBrn · · Score: 4, Informative

    The other part is satiation, and insulin response. Higher levels of fructose do not trigger a normal insulin response, and while food sweetened with sugar vs HFCS will have a similar caloric value --- you wont "feel" satiated due to the unbalance and irregular insulin response. Thus you are more inclined to continue to consume more.

    Coca-cola for example, anywhere else in the world, except the U.S. is made with sugar. You will (should) feel satiated after consuming a bottle of a sugary beverage. Whereas with HFCS you will be more inclined to have another.

    This information has been known for more than a decade. This article Consumption of sugars and the regulation of short-term satiety and food intake, is from 2003.

    I imagine the Corn Industry lobby has done their best to suppress this information. The corn industry is heavily subsidized in the US, along with Sugar having import tariffs.

    Hell, a few years back know their was a campaign to rename HFCS to Corn Sugar --- as HFCS has gotten too much bad press. I think it didn't get past the FDA

  11. Re:Does HFCS count? by sexconker · · Score: 5, Insightful

    sugar: 50% fructose, 50% glucose
    HFCS: 55% fructose, 45% glucose

    zomg, clearly hfcs is the reason people are getting so much fatter.

    You expect a 50/50 mix, and you're getting 45/55 mix.
    You key off of the 45 (glucose), so you're expecting 45 fructose.
    You're getting 55/45 the fructose you expect.

    Bottom line: 22.2% of the fructose in HFCS isn't handled properly. Fructose isn't a problem unless you have tons of it. Fruit has fiber so it generally isn't a problem - you'll be full or bored of fruit before you consume too much fructose by eating fruit. Fruit juice is bad. HFCS is bad. HFCS being used in some many things can make it hard to avoid.