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  1. #1
    Scientist/Wannabe BB wrkoutfrq's Avatar
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    artificial sweetners slow metabolism?...

    i read in an article posted on Yahoo (****e source i know) that artificial sweetners like sucralose, aspartame, and sugar alcohols can slow your metabolism...

    can anyone shed some light as to whether or not this is true, and exactly how?
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  2. #2
    Registered User Rob711's Avatar
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    Originally Posted by wrkoutfrq View Post
    i read in an article posted on Yahoo (****e source i know) that artificial sweetners like sucralose, aspartame, and sugar alcohols can slow your metabolism...

    can anyone shed some light as to whether or not this is true, and exactly how?

    Lol, i just read that to and was wondering the same thing.. If anyone can shine some light on this that would be great. I Hop it is false, i will miss my splenda and truvia
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  3. #3
    THE OG PBateman2's Avatar
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    Do you have a link? Interesting to know if it is true.
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    Registered User snorkelman's Avatar
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    I'd also like to see the link to see what study they are basing that conclusion on, as I have never heard of that side-effect and find it hard to believe.
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    ya i just found that out yesterday also, was just browsing online and read that it slows metabolism.. interesting
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    nevigsawkufelgnisaton in10city's Avatar
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    Originally Posted by wrkoutfrq View Post
    i read in an article posted on Yahoo (****e source i know) that artificial sweetners like sucralose, aspartame, and sugar alcohols can slow your metabolism...

    can anyone shed some light as to whether or not this is true, and exactly how?
    The studies to date have not shown a reduction in metabolic rate per se, but have shown a blunted thermic response to certain foods. Keep in mind that there are rat models and weight gain is mostly from increased food intake and less of a caloric compensation over time.

    One component of this thermogenic response is an increment in core body temperature, the magnitude of which is determined primarily by the energy content of the food [33,34]. If sweet tastes evoke thermic responses based, in part, on the degree to which they predict the arrival of calories in the gut, one might expect that tasting a sweet, high-calorie food would evoke a greater increase in core body temperature for rats that have been exposed to a highly reliable predictive relationship between sweet tastes and calories compared to rats that for which sweet taste is a less reliable signal for calories. One implication of this hypothesis is that if consuming non-nutritive sweeteners reduces the validity of sweet taste as a signal for calories, then one effect of consuming these sweeteners would be a reduced ability for sweet-tasting foods to evoke increments in core body temperature.

    We tested this prediction by implanting miniature radio-frequency transmitters in the abdominal cavity of 16 adult male rats to allow us to measure remotely changes in core body temperature immediately before, during, and after the rats consumed premeals and test meals that contained nutritive or non-nutritive sweeteners [21]. During training, rats received 30 g of a low-fat, plain yogurt daily for 14 days in addition to ad libitum lab chow and water. As in our earlier studies, the yogurt was sweetened on a quasi-random half of the training days, and was unsweetened on the remaining days. For half of the rats, the sweetener used was always saccharin, whereas glucose was the sweetener for the other rats. When training was complete, all the rats were tested following overnight food deprivation with a premeal of 5-g thickened Chocolate Ensure Plus. During training and testing temperature was recorded at 1-min intervals.

    Fig. 8A shows core temperature data during the first 60 min after presentation of sweetened and unsweetened yogurt, averaged across all training sessions, for rats that received yogurt sweetened with glucose. Comparable data for rats that received yogurt sweetened with saccharin are shown in Fig. 8B. The results indicate that while intake of yogurt sweetened with glucose produced a larger and more sustained increment in core temperature relative to unsweetened yogurt, consuming yogurt sweetened with saccharin did not have this effect. This is not surprising given that the energy content of glucosesweetened yogurt was substantially greater than for unsweetened yogurt, whereas the energy content of saccharin-sweetened and unsweetened yogurt were the same. However, this pattern of results indicated that our measures of core temperature were consistent with previous reports showing that energy density is an important determinant of the thermic effect of food [35].
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  7. #7
    Registered User snorkelman's Avatar
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    in10city, was that excerpt from the full text of High-intensity sweeteners and energy balance. Swithers et al. Physiology & Behavior, Volume 100, Issue 1, 26 April 2010, Pages 55-62?
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    don't have any studies either way, but i have hurd dave pulambo say they don't inhibit ur ability to lose fat, well like pure aspratame anyway. things like splenda have something added to them that do have a small amount of cals and carbs.

    but he said he would drink over a gallon of diet soda a day during contest prep.
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    Registered User Rob711's Avatar
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    here is a link to the article is anyone wants to see it... its not really an article just some list and their drawbacks

    http://shine.yahoo.com/channel/healt...foods-1268429/
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    Registered User zmcdole's Avatar
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    Originally Posted by B-ryminD09 View Post
    don't have any studies either way, but i have hurd dave pulambo say they don't inhibit ur ability to lose fat, well like pure aspratame anyway. things like splenda have something added to them that do have a small amount of cals and carbs.

    but he said he would drink over a gallon of diet soda a day during contest prep.
    During my last cut/prep I was drinking an absurd amount of diet soda/drinks with artificial sweeteners and it did not slow my progress down one bit. This was my 3rd time cutting and I know for certain I was drinking way more diet soda this time around than I was in the other 2 cuts. Before I was worried about it and thought that it would slow down my progress/fat loss. I stopped worrying about it my last cut was my most successful so far. This is personal experience and I will say that one is probably gonna benefit from trying to enjoy artificial sweeteners in moderation. IMO moderation means 2-3 diet sodas a day. I was drinking 5-8 a day when dieting plus whatever flavored water I was drinking.
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  11. #11
    nevigsawkufelgnisaton in10city's Avatar
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    Originally Posted by snorkelman View Post
    in10city, was that excerpt from the full text of High-intensity sweeteners and energy balance. Swithers et al. Physiology & Behavior, Volume 100, Issue 1, 26 April 2010, Pages 55-62?
    Yes.
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