ACE in Greater Detail

Your ACE is your body’s natural point of equilibrium -- the point where you don’t lose, or gain any more weight. This number is dependent on a variety of factors, including age, fitness level, activity level and more. Most people will find their ACE falls somewhere between 40-120 grams of Net Carbs per day; however, some people that have an extremely difficult time losing/ maintaining weight, might find their range even higher.  Remember, these are ranges.

Here’s a chart, which compares approximate ACE Range to metabolic resistance.  For instance, if you’ve never had much weight to lose, your metabolic resistance is probably fairly low.  If you’ve always had difficulty maintaining or losing weight, your metabolic resistance is most likely high.

If your ACE range* is:

Your Metabolic Resistance is:

What it means:

25 - 40 grams of Net Carbs per day   

Very High

Your body is very resistant to losing weight

40 - 60 grams of Net Carbs per day  

High

Your body is fairly resistant to losing weight

60 - 90 grams of Net Carbs per day 

Average

Your body is slightly resistant to losing weight

90 - 120 grams of Net Carbs per day 

Low

Your body is efficient at losing weight

*Raising your activity/exercise increases your ACE range.

Why is knowing your ACE essential?

To maintain your goal weight once you achieve it, you need to learn how many grams of Net Carbs you can consume each day without regaining weight.

How do you find your ACE?

You begin to get a handle on your threshold for carbs during Pre-Maintenance, when you may have to “play around” within a 10-gram range to continue the process of losing the last few pounds. When you reach your goal weight and stay there for a month, you are officially in Lifetime Maintenance and have found the way you should eat for the rest of your life. We call that level of carb intake your Atkins Carbohydrate Equilibrium (ACE). In the simplest terms, your ACE is the number of grams of Net Carbs you can eat while neither gaining nor losing weight.

Once I establish my ACE, will it remain constant?

Not necessarily. Your ACE may decrease as you age and become less active, or increase if you choose to increase your level of activity. Changes in drug regimens or the onset of menopause can also impact your ACE.

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Disclaimer: Nothing contained on this Site is intended to provide health care advice. Should you have any health care-related questions, please call or see your physician or other health care provider. Consult your physician or health care provider before beginning the Atkins Diet as you would any other weight loss or weight maintenance program. The weight loss phases of the Atkins Diet should not be used by persons on dialysis or by pregnant or nursing women.