Sensa Sprinkle Diet: Is Taste the Key to Weight Loss?
If healthy food tasted good, perhaps we wouldn't be facing an obesity crisis. Well new research is proposing that using calorie-free sweeteners and seasonings can help people lose significant weight by keeping them fuller and decreasing their consumption.

The so-named "tastants" - substances that stimulate the sense of taste, were shown to have a profound impact on the weight of participants. Here are the details of the study - conducted by Alan Hirsch, MD, founder and neurologic director of the Smell & Taste Treatment and Research Foundation in Chicago. He markets his product as Sensa.
On a side note: I can't believe there is a such organization as the "Smell & Taste Treatment and Research Foundation". Equally unbelievable, is that they have a neurological director!
Anyway, back to the study details...
- 2,436 overweight or obese individuals sprinkled a variety of savory or sweet crystals on their food before eating their meals during the 6-month study period.
- Subjects put liberal applications of the salt-free savory flavors on salty foods and applied the sugar-free sweet crystals on sweet or neutral-tasting foods.
- The hidden flavors of the savory tastants were cheddar cheese, onion, horseradish, ranch dressing, taco, or parmesan.
- Sweet flavors were cocoa, spearmint, banana, strawberry, raspberry, and malt.
- A control group of 100 volunteers did not use tastants. Both groups were allowed to diet and exercise if they were already doing so. For both subjects and controls, weight and body mass index were measured before and after the study.
- At the start of the study, the treatment group had an average weight of 208 pounds and average BMI of 34, which is considered obese.
The Results:
- After 6 months of using the crystals, the 1,436 subjects who completed the study lost an average of 30.5 pounds, compared with just 2 pounds for the untreated controls.
- Their BMI dropped by an average of 5, moving them from obesity to the overweight range. Controls had an average BMI decrease of 0.3.
Is the "Sprinkling Diet" a Future Trend?
It is an interesting study, although I would like to see some more rigorously controlled follow-ups. Also, what the heck are those crystals made of? The article does not say, but it may raise a few eyebrows.
Hirsh also notes that you can employ other techniques such as sniffing food (highly advisable - especially in fancy restaurants and on first dates), chewing a lot and eating lower calorie foods with seasoning. This begs the question: Would a control group assigned to real spices produce similar results?
I think making bland, healthy foods taste better certainly will up the chances of losing body fat. I think there is a lot to be said for savoring the taste of your food as the study's author suggests, and I think that stocking your spice rack is a step in the right direction.
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33 Comments
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Created / Updated: December 27, 2011
Good thing I know how to cook well and can make food taste good to begin with. :) Spices!
ReplyInteresting stuff. I am curious to see the science behind it. Why does it work?
I remember not too long ago, a few studies saying the eating a meal with a variety of different flavors, textures resulted in the diner eating more calories than a diner with a plate heaped with 1 or 2 foods. Their point was that variety resulted in the diner eating more food.
Re: the crystals themselves - what are they made of???
ReplyIf the control group consisted of people who were effectively ignored for the 6 months of the study, then I would suspect that the "Hawthorn Effect" was responsible for the differences between the groups.
In the book "Snake Oil Science" by R. Barker Bausell, the author discusses the difficulties in setting up adequate controls for experiments. One of the things he discusses is that it is well known that people:
- who know that they are being observed, or
- who are asked to do something specific in a study, or
- who are given procedures or products that they are told will possibly help them in some manner,
will tend to behave differently by:
- working harder at the assigned tasks or processes, and/or
- taking their prescribed meds more conscientiously, and/or
- avoiding harmful activities that might exacerbate their conditions, and/or
- reporting helpfully what they think the experimenter wants to hear, and/or
- actually believing that they have been helped by the procedure whether or not there are any measureable improvements.
It appears here that there were indeed measureable improvements, but because there was no placebo to control for the other above Hawthorn Effects, it isn't clear that the magic pixie dust was responsible for the measured differences. That is, the folks who were ignore didn't have this shaker of magic pixie dust to sprinkle over their food at every meal, and so probabaly forgot for long stretches that they were the control group -- if they even were told that they were partakers in the study at all.
Now, I'm just speculating here, because I haven't looked at the study itself (lazy person that I am), but based on Mike's report of it, it looks to me that it doesn't prove anything except that the folks who sprinkled magic pixie dust on their food paid more attention to their diet than the folks who just went on with their normal daily activities.
On the other hand, spices and herbs certainly perk up otherwise bland food! Yum!
Replywow - what a thorough and helpful analysis Judy - thanks! I'm going to look into that book "Snake Oil Science". Sounds like a great read to brush up on critical thinking.
ReplyMike,
I was going to not-so-modestly say thanks for the compliment, but I have to give credit to the book. :D The author explains things so well in layman's terms that when I read your excellent post, the words "Hawthorn Effect" popped into my head, and I was able to find the reference page quickly, and spout my "analysis" as if I had indeed made an analysis of the experiment. I can heartilly recommend the book!
Your description of the experiment is actually more detailed than the description on Dr. Hirsch's website, linked to by Susanna below.
Reply'If healthy food tasted good ...'
When an article starts with that phrase, you know it's going to be an ad for something stupid like 'diet sprinkles'. sheesh.
ReplyThis study is interesting but it's published by "Smell & Taste Treatment and Research Foundation". That's not a bad thing, but it's the author's institute. That suggests the possibility of less than complete academic rigor in reviewing the numbers and study construction. If this were in say American Journal of Clinical Nutrition, I would be more impressed. That doesn't make it invalid but it certainly carries less weight than peer reviewed data.
ReplyWow, very interesting! Can't believe what this world has come to...
ReplyI agree that preparing healthier food in a manner that allows it to retain its nutritional value while tasting good will most likely lead to more people eating better food. I think many people say to themselves that food that is good for them must taste bad, and therefore don't want to even try it. I'm not so sure that the 'sprinkle diet' is going to catch on and be effective, but I can see validity to making healthier food taste better.
ReplyThis diet intriques me. I wonder what they will think of next!
Correct me if I'm wrong, but I could swear that studies have proven that artificial sweetners don't work, because the it doesn't release the same chemicals to the brain that real sugar does.
I would think that these so called "Sprinkles" would be similar in that it would not send the correct signals to the brain.
ReplyInteresting. I know a lot of people (my husband included) that don't like healthy food because they don't like the taste of vegetables or salads. A lot of people will eat broccoli with loads of cheese and butter on it, but that kind of cancels out the nutritional value of it. I guess if these flavor crystals (I'm guessing they are freeze-dried artificial flavor liquids) make broccoli taste like ranch dressing or cheese and people eat it, it's probably not a bad thing. Of course, you can probably get a similar effect by seasoning your veggies with herbs, garlic, lemon juice, or other low-calorie flavor enhancers.
ReplyI agree with other posters who suspect that this "research" is geared towards selling yet more processed foods.
And why on earth would anyone want to put strawberry or raspberry fake-flavoured sprinkles on their food when real strawberries and raspberries are very low in calories and also very healthy?
Sheesh!
ReplyI don't necessarily think it's a gimmick to sell more processed foods; rather, I think it's a way to make natural foods taste a little better so more people will eat them. I guess it's probably best to enjoy your vegetables and fruits au naturale, but I think it's a little better to eat fresh veggies with a little flavor sprinkles on them than say, those overprocessed frozen veggie kits with all the cheese sauce and sodium in them.
ReplyActually, the "Tastants" aren't sweeteners, they won't change the flavor of your food at all. Dr. Hirsch is a very well respected doctor -- published over 180 times in medical journals. His study and paper were peer reviewed and it was presented at the endocrinology society. Truthfully, after looking at the paper and hearing Dr. Hirsch speak about it, this doesn't seem like another gimick. There is a lot of science and research behind this...
ReplyThere's no way this study could be double-blind, but depending on how they ran the experiment, it could still be immune to the probe effect. I doubt the study's results, though - that's an average difference of around 500 calories a day between the two groups.
MIke and/or Kate - I'm traveling this week. Can either of you send me a proper reference to the study? I'd like to read it for myself.
ReplyI found the study on Dr. Hirsch's website: http://www.smellandtaste.org/index.cfm?action=research.sprinkles
ReplyThe information on his web site is meaningless, and the web is littered with PR nd news bits about his research.
Does anyone have solid reference to his work, in an actual journal - perhaps cited in the book on this topic by him?
ReplyKate,
ReplyI just got my first month supply of Sensa in today. Have you tried it? If so, did it work? I am usually so skeptical, but Dr Hirsch's video was very convincing. I figured I had nothing to lose, since it has a money back guarantee if not satisfied. I sprinkled some on my dinner and did not eat as much. I usually snack all evening! I have sprinkled everything I tried to eat, but don't feel hungry for anything. Please let me know if it worked for you.
Barbara
Well I find it interesting having recently moved from South Africa to America to find how much more salty and sweet American foods are than back home. I think USA foods must already have many more flavourants added than South African foods. So maybe that magic pixie dust fairy should just tell American food manufacturers which magic crystals to use and viola.... there apparently go the worlds obesity problems!
But also...losing weight really isn't the challenge we're facing. I've lost weight on just about every diet even the crazy ridiculous ones, I ever went on - it's keeping it off.... guess we've just gotta keep sprinkling!
I'd also be interested to see if there was any connection between the researchers and the sprinkles.
ReplyCari
No doubt, you did a good study for this post.
If Sprinkling diet really showed such a good results then may be it could be the future diet.
ReplySo, I'm curious about who sponsored this study. Since diet soda and diet food have been around people just keep getting fatter. This clearly isn't the method. You're right people need to be all about whole foods.
Replywow, that is really interesting. Usually the tongue can pick up on suger and flavour supliments and not make us feel as fulfilled, but in this case it doesn not appear to be the case. Definitely worth further investigation.
Reply