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Thread: Food for thought (serving size)

  1. #1
    Banned Slim Schaedle's Avatar
    Join Date
    Jan 2002
    Cincinnati, Ohio

    Food for thought (serving size)

    This thread does not really require help, as I can already solve the problem with the use of my food scale, but...

    I've noticed this dilemma with many foods products, those that are prepackaged and those that aren't, and often vary in size and shape. (chicken breasts, potatos)

    My concern is the serving size included in the nutrition facts, in relation to each individual food item that serving size pertains to, and the macronutrient amounts claimed. In very many cases, the advertised nutrition facts are wrong, according to what my food scale reads.

    For example, I just took a regular potato from a bag that lists the serving size as "1 potato" weighing 148 grams. The carbohydrate amount listed is 29 grams. Granted, each potato varies somewhat in size and shape but each one from this bag were exremely similar.

    When weighed, one particular potato weighed 333 grams as opposed to the 148 grams listed. So, contradicting the 29 grams of carbohydrate, each potato in this bag has roughly 65 grams. That's a big difference for us calorie obsessed weirdos. Imagine having a diet that included carbohydrate sources of only potatos and only trusting the nutrition fatcs. That person would unknowingly get twice as many carb cals as they planned.

    I just wanted some opinions/thoughts from those as picky (or those who don't care) as me, b/c this seems to be some sort false advertising...intentional or innocent.

    (note: I don't believe the scale reads wrong b/c there are many other foods that parallel the manufature's claims perfectly)

  2. #2
    Senior Member dissipate's Avatar
    Join Date
    Jun 2004
    if i was eating potatoes while cutting, i'd probably use the scale and calculate from there instead of using the nutrition fact label. i agree that it's scary how "off" calculations can get because of the difference in sizes and weight. an individual label for each potato would be nice :P but i don't think i can expect the manufacturer to do that lol.

  3. #3
    Senior Member
    Join Date
    Jan 2005
    I had a very similar experience, but it was a little more my fault (only a little though.) I looked up nutrition facts online for sweet potatoes and all the measurements say "1 medium potato" has like 130 cals and 27g carbs, give or take...

    So, at the store I picked out some of the "medium" potatoes...not the biggest, not the smallest, just the average ones. I did this for about a week, and finally got around to weighing one (i don't typically weigh food)......Ends up an "average" potato from the store was like twice as big as a "medium potato" in terms of grams. When I went back to the store the next time, I bought the smallest potato I could find and it was still heavier than what online nutrition facts call a "large potato."

    That really pissed me off, I realized I was getting like 35g extra carbs each time I had one of those damn potatoes. From then on I just stuck to packaged stuff or food that you can measure in a measuring cup (rice, oatmeal, etc)

  4. #4
    Senior Member Manveet's Avatar
    Join Date
    Feb 2002
    White Rock, BC
    This is why I invested in a decent scale.
    "It is often said, mainly by the "no-contests", that although there is no positive evidence for the existence of God, nor is there evidence against his existence. So it is best to keep an open mind and be agnostic. At first sight that seems an unassailable position, at least in the weak sense of Pascal's wager. But on second thought it seems a cop-out, because the same could be said of Father Christmas and tooth fairies. There may be fairies at the bottom of the garden. There is no evidence for it, but you can't prove that there aren't any, so shouldn't we be agnostic with respect to fairies?"

    Richard Dawkins

    "Out of all of the sects in the world, we notice an uncanny coincidence: the overwhelming majority just happen to choose the one that their parents belong to. Not the sect that has the best evidence in its favour, the best miracles, the best moral code, the best cathedral, the best stained glass, the best music: when it comes to choosing from the smorgasbord of available religions, their potential virtues seem to count for nothing, compared to the matter of heredity. This is an unmistakable fact; nobody could seriously deny it. Yet people with full knowledge of the arbitrary nature of this heredity, somehow manage to go on believing in their religion, often with such fanaticism that they are prepared to murder people who follow a different one."

    Richard Dawkins

    "Bah. You know I hate poor people."

    Paul Stagg

  5. #5
    No me llames cerdo... EdgarMex's Avatar
    Join Date
    Aug 2002
    Cd. Juarez, Mexico
    I like to go by weight on solid foods rather than guesstimating a portion size or measuring with a cup. Even if my cheap scale from Walmart is not very accurate it is a lot closer.
    Edgar V.

    So you don't wanna get big, do you?


    "If your arm measurement is currently 13 inches, you are worrying about the wrong things. Quit comparing to others, quit worrying about little details, get your ass in the gym, work as hard as you can, then go eat something. Repeat until huge." - Paul Stagg

    "There is no miracle "look good" diet/pill other than determination and commitment" - geoffgarcia

    "Freaking lift to get bigger, or stronger, or better at your damn sport, and quit worrying about weather or not your arm is 16 inches or 16.2 inches." - Paul Stagg

    "If you want to look like Brad Pitt go run a marathon or something." - Severed Ties

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