In this section, read over 150 peer-reviewed studies from major scientific publications that support the principles of the Atkins Diet. The abstract is listed for review, as well as a link to the full publication on PubMed. If you’re looking for a specific topic, use the search box below.


How to Reintroduce Foods in Phase 3

This phase offers the opportunity to reintroduce the whole foods that were off limits in the first two phases of the Atkins Diet. While this is good news for those who miss apples, oatmeal and yams, for example, it’s also an opportunity for people to lose the control they have maintained until now. These guidelines, Read More

Objectives and Guidelines for Phase 2

In Phase 2, Ongoing Weight Loss (OWL), patients learn how to gradually increase their Net Carb intake and add variety to their diet—while continuing to stay in control of their appetite, lose weight and feel energized. We recommend individuals remain in OWL until they’re within 10 pounds of their goal weight before moving to Phase Read More

Finding One’s Ace in Phase 3

Once your patients have achieved their goal weight in Pre-Maintenance, but before they move to Phase 4, Lifetime Maintenance, they’ll need to find their Atkins Carbohydrate Equilibrium (ACE). In contrast to the Carbohydrate Level for Losing (CLL), which relates to weight loss, the ACE is the number of grams of Net Carbs an individual can Read More

Beginning in Phase 3, Pre-Maintenance

Just as it is possible to start Atkins in Ongoing Weight Loss (OWL), some people can start in Phase 3, Pre-Maintenance. Some of them should start in this phase; others can opt to do so. We’ll look at the reasons and method for the former before moving on to the elective option. You can advise Read More

Objectives of Phase 4

In the Lifetime Maintenance, you’ll come to understand why the Atkins Diet is also called the Atkins Nutritional Approach. This is where you’ll commit to remaining at your goal weight from now on. It's also where you continue to celebrate the sensible eating plan you've mastered—and enjoy sustained energy, improved health, a sense of well-being Read More

Guidelines for Phase 3

Once your patients are in Pre-Maintenance, they should know the drill that enables them to stay in fat-burning mode. Just as in Induction and Ongoing Weight Loss (OWL), they will need to:  Count daily grams of Net Carbs. Have at least 12–15 grams of their total daily Net Carb intake in the form of foundation Read More

Objectives of Phase 3

By the time your patients move to Phase 3 of the Atkins Diet, they should be in control of their appetite and about 10 pounds from their goal weight. Many of them are probably enjoying a fairly wide array of carbohydrate foods. Others have had a very different experience. In this phase, in addition to Read More

How a Weight Loss Diet Becomes a Lifestyle

Your trusted friends—foods that are rich in protein and good fats—helped you reach your goal weight. Now these same foods will be your allies when it comes to maintaining your weight loss. And just as you avoided refined carbs and junk foods in earlier phases, we caution you to do the same in Lifetime Maintenance. Read More

How to Transition from Pre-Maintenance to Lifetime Maintenance

Let’s put one issue to rest. Many people don’t understand why the Atkins Diet is made up of four phases instead of three. Once you reach your goal, you’re done, right? You couldn’t be more wrong! Difficult as losing weight is, it pales in comparison to the challenge of maintaining your healthy new weight. Almost Read More

Fat Remains a Friend in Lifetime Maintenance

Many people make the mistake of thinking that it’s the amount of carbs in your diet that stops weight loss when you reach your goal. That’s partially true, but it’s not quite that simple. When you move from losing weight to maintaining weight, you need to eat slightly more healthy, natural fats to meet your Read More