RDI question pertaining to this

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Joined: Jul 12
Posts: 8

Posted: 25 Jul 2012, 18:51
the program calculated that my RDI is 1600...as we know in order to loose one pound we must cut calories by 3500 cal . My question is when they say 1600 calories for me is that I must eat 1600 per day wether I exercise or not...or must I cut out 500 calories per day to eat only 1100

I was on a program where they had me eat only 1200 per day but I am not loosing and I play golf 2 to 3 times a week and I swim...I have read somewhere that I might be on starvation mode...meaning not eating enough so my system is taking in calories in weight thinking I am starving it. thanks in advance for taking the time to answer. I am new here and I honestly think I might like it.
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Joined: Jul 12
Posts: 4

Posted: 25 Jul 2012, 19:11
The system calculates how much you should eat based on the info you entered, so if you have low activity and want to lose a moderate amount of weight, or whatever you entered as your activity and weight loss goals, it calculates how much you should eat. So if it says 1600 than that is the recommendation the system thinks you should actually eat. I personally decided that my RDI needed to be lower than the recommendation, the system told me 1400 and I have been actually eating 900-1100. I checked on other websites with RDI calculators, and they all gave me different numbers, so I figured that the number was subject to interpretation and adjustment. The main thing that has helped me, is actually logging my weight and food everyday. This has helped me to make sure I'm not under or over eating. Sometimes life gets hectic, so it's nice to have a place I can keep track of what I ate, to make sure I'm getting the amount of food I need. Good luck! I think you'll find the site very useful. Smile

Joined: Jul 12
Posts: 8

Posted: 25 Jul 2012, 19:40
thank you Gaelwyn17...In the last 2.5 years I have been on another program and have lost 32lbs...I always enter my foods and exercises. This really seams to be a good one..
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Joined: Sep 09
Posts: 1,995

Posted: 25 Jul 2012, 22:11
Please be aware that it's generally not a good idea to go lower than 1200 calories per day. Your body needs calories to run efficiently. If your body doesn't run efficiently, then you will not lose weight. It doesn't pay off to starve yourself. Smile

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Joined: Apr 10
Posts: 107

Posted: 26 Jul 2012, 00:00
The quick and dirty rule of thumb is 1200 for women, 1500 for men. My paid visit to a nutritionist confirmed that exactly, as has quite a few posts on this site.

Blah blah, eat more fruits and veggies, fish and chicken, yada yaght.

Chalk up the amount of inaccuracy and subconscious or conscious cheating you do to yourself when logging food, and those are solid numbers. I shoot for 1500 a day, knowing its probably around 1800 actual. I lose weight just fine on that, but I am now semi-active.


Joined: Jul 12
Posts: 1

Posted: 26 Jul 2012, 01:54
Do you believe that information or are you skeptical like I am? I appreciate what doctors and nutritionists have to say but I find it very difficult to believe anyone that says one number can apply to women and one to men. Every person's body is different and that includes the number of calories one should consume. I lose weight at anything less than 1700 calories and I gain when it's over 1800. These numbers fluctuate, depending on how much I exercise.

P.S. Great job on your weight loss! Smile
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Joined: Jul 12
Posts: 4

Posted: 27 Jul 2012, 16:20
I agree Madgeta. I'm 5'2" and my family tends to be fairly petite. I don't think we need to eat as many calories as someone who is 5'8" with a more solid build. I'm sure that they are probably accurate in saying men need more calories than women, but I don't think all men or all women need the same calories. Along the same lines, when I was younger I could eat a lot more calories and not gain weight. As people get older, our metabolisms change, which means we need a different number of calories to maintain or lose weight.

Joined: Jul 11
Posts: 20

Posted: 27 Jul 2012, 16:47
the 1200/1500 number is based on a large population study, and is averaged over it. That doesn't mean its wrong necessarily, but it is an average, so may not be accurate for any given person. If you want a more accurate reading, go get a resting metabolic rate test, which are pretty common and inexpensive, and tell you the exact number of calories your body burns at rest.

Joined: Jan 12
Posts: 20

Posted: 28 Jul 2012, 03:33
I record my weight, food intake and calories burnt every day since January 1st 2012 in an excel spreadsheet. Based on that data I know that on a 30-day-average I only eat 71% of the calories I burn. I lost 23.2 kg in 210 days. That's an average of 110g per day. It seems to me that this is the optima rate for me to loose weight. Maybe it is also for you.

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