Kick-Starting Atkins 20: A Beginner's Guide

how to start atkins phase 20 diet

The Atkins diet is a low-carb weight-loss plan that consists of four phases. The first phase, Induction, is the most challenging, as it involves a significant drop in net carb intake to 20 grams per day. This phase jumpstarts the body's ability to burn fat and typically lasts two weeks. Phase 2, Balancing, introduces a broader range of carbs, helping individuals find their personal carb balance. During this phase, dieters can eat between 25 and 50 grams of net carbs daily and slowly add whole-food carbohydrates. Phase 2 ends when an individual is about 10 pounds away from their desired weight. The Atkins diet is effective for weight loss, but it may not be suitable for everyone, and it's important to consult a doctor before starting any weight-loss program.

Characteristics Values
Carbohydrates 20 grams of Net Carbs daily
Weight Loss Designed to jumpstart weight loss
Food Full-fat cheese, fats and oils, fish and seafood, poultry, eggs, meat, herbs, and non-starchy and green vegetables
Meals Five or six small meals a day
Drinks Water, coffee, and green tea
Side Effects Headache, moodiness, bad breath, fatigue, changes in bowel movements, nausea, and mental fatigue
Phase 2 Balancing the Diet
Phase 2 Carbohydrates 25-50 grams of Net Carbs daily
Phase 3 Individualizing and Optimizing the Diet
Phase 3 Carbohydrates 50-80 grams of Net Carbs daily
Phase 4 Lifetime Maintenance

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Understand the basics of the Atkins diet

The Atkins diet is a low-carbohydrate diet, usually recommended for weight loss. It was originally promoted by Dr Robert C. Atkins, who wrote a best-selling book about it in 1972. The diet has several phases, with the first phase being the most difficult.

During the first phase, also known as the induction phase, you significantly drop your daily net carb intake to an average of 20 grams. This helps your body shift from burning primarily carbs to burning primarily fat. The length of the induction phase depends on your weight loss goals. For some, this phase may only last two weeks. However, you may follow it for longer if you have a lot of weight to lose or prefer to lose weight quickly. During this phase, you can eat full-fat cheese, fats and oils, fish and seafood, poultry, eggs, meat, herbs, and non-starchy and green vegetables (known as foundation vegetables).

In the second phase, you start to slowly add some whole food carbohydrates back into your diet, such as nuts, seeds, berries, and Greek yogurt. This phase is about balancing your diet and maintaining your momentum from the first phase. You'll start by eating 25 grams of net carbs daily, and then begin to increase overall carb intake in 5-gram increments. By the end of this phase, your personal carb balance may sit between 30 and 80 daily grams of net carbs.

The third phase involves continuing to add a variety of carbohydrates to your diet, including legumes and some vegetable juices. You can eat 50 to 80 net carbs daily. This phase lasts for at least a month after reaching your desired weight.

The fourth and final phase is about lifetime maintenance. Once you reach your ideal weight, you continue to eat a predominantly low-carbohydrate diet (80-100 net carbs per day) for life.

It is important to note that the Atkins diet goes against dietary guidelines put out by many health organizations and medical professionals, including the American Heart Association and the Academy of Nutrition and Dietetics. These groups recommend a diet with more whole grains, fruit, vegetables, and lower saturated fats. Always check with your doctor before starting a weight-loss program, especially if you have certain health problems or take medications.

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Know the foods to eat and avoid

The Atkins diet is a low-carb diet, usually recommended for weight loss. It involves eating as much protein and fat as desired while avoiding foods high in carbs. The Atkins diet has four phases: induction, balancing, fine-tuning, and maintenance.

During the induction phase, it is important to significantly drop your daily net carb intake to an average of 20 grams (no less than 18 and no more than 22). At this intake level, the body begins to burn fat as its primary energy source. The goal is to get your body adjusted to the fat-burning process so that you can slowly add more carbs to your diet later. The induction phase usually lasts for two weeks, but it can be followed for longer if you have a lot of weight to lose or prefer to lose weight quickly. During this phase, it is recommended to eat high-fat, high-protein foods with low-carb vegetables like leafy greens.

In the balancing phase, you can slowly add more nuts, low-carb vegetables, and small amounts of fruit back to your diet. This phase is about understanding your carb tolerance and finding the bridge from a weight-loss diet to a sustainable diet for life.

During the fine-tuning phase, as you get closer to your goal weight, you can add more carbs to your diet until your weight loss slows down.

In the maintenance phase, you can eat as many healthy carbs as your body can tolerate without regaining weight.

Foods to eat during the Atkins diet include:

  • Meats: beef, pork, lamb, chicken, bacon, etc.
  • Fatty fish and seafood: salmon, trout, sardines, and mackerel
  • Eggs: omega-3 enriched or pastured
  • Low-carb vegetables: kale, spinach, broccoli, asparagus, leafy greens, etc.
  • Nuts and seeds
  • Most cheeses

Foods to avoid during the Atkins diet include:

  • Sugar: found in soft drinks, fruit juices, cakes, candy, ice cream, and similar products
  • Refined grains: white bread, white rice, white pasta
  • "Diet" and "low-fat" foods: these are sometimes very high in sugar
  • High-carb fruits: bananas, apples, oranges, pears, grapes
  • Starchy vegetables: potatoes, sweet potatoes
  • Legumes: lentils, beans, chickpeas, etc.
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Plan your meals and snacks

Planning meals and snacks is essential for staying on track with the Atkins 20 diet. The diet has four phases, with specific approved foods and serving sizes for each phase.

During Phase 1, also known as the induction phase, the goal is to shift your body from burning primarily carbs to burning fat. This phase involves significantly reducing your daily net carb intake to an average of 20 grams. The approved foods for this phase include full-fat cheese, fats and oils, fish and seafood, poultry, eggs, meat, herbs, and non-starchy and green vegetables (known as foundation vegetables). It is important to eat every two to three hours to prevent hunger and maintain energy levels. This may involve having five or six small meals throughout the day.

Phase 2 is about balancing your diet and maintaining momentum from Phase 1. This phase involves slowly reintroducing a broader array of carbs into your diet to find your personal carb balance. You start by increasing your daily net carb intake to 25 grams and then gradually increase it by 5-gram increments. By the end of this phase, your daily net carb intake may be between 30 and 80 grams. The approved foods for this phase include nuts, seeds, berries, melon, cottage cheese, yogurt, and other convenient options like packaged snacks.

It is important to note that the Atkins diet may not be suitable for everyone, and it is always recommended to consult with your doctor or a healthcare professional before starting any new diet, especially if you have certain health concerns or are taking medications.

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Manage side effects

The Atkins diet is a low-carbohydrate, high-protein, and high-fat weight-loss plan. While it has been associated with significant weight loss, it has also been criticised for its potential adverse effects on health.

Manage Nausea and Constipation

To manage nausea and constipation, ensure you are drinking plenty of water and staying hydrated. You can also try incorporating more fibre-rich foods, such as nuts, seeds, and berries, into your diet.

Combat Dizziness and Headaches

Dizziness and headaches can be symptoms of low blood sugar or dehydration. Ensure you are staying hydrated, and consider increasing your intake of natural, unprocessed foods. Additionally, be mindful of your portion sizes and try not to go long periods without eating. It is recommended to have five or six small meals throughout the day to maintain stable blood sugar levels.

Reduce Fatigue

Fatigue may be a result of the body adjusting to using fat as its primary energy source instead of carbohydrates. Make sure you are getting enough sleep and practising relaxation techniques to manage any stress. You can also try incorporating gentle exercises, such as walking or yoga, into your routine to boost your energy levels.

Address Bad Breath

Bad breath is a common side effect of ketosis, which occurs when the body breaks down fats and proteins for energy instead of carbohydrates. To address bad breath, maintain good oral hygiene by brushing your teeth regularly, using mouthwash, and staying hydrated. Chewing sugar-free gum or sucking on sugar-free mints can also help neutralise odours.

Manage Cravings

It is normal to experience cravings, especially in the initial phases of the diet. It is important to distinguish between physical hunger and emotional cravings. Ensure you are eating enough throughout the day and not going long periods without food. If you do give in to a craving, do not be too hard on yourself. Get back on track with your next meal and remember that one indulgence does not ruin your progress.

It is important to consult with a healthcare professional before starting any new diet, especially if you have any health concerns or are taking medication. They can provide personalised advice and help you navigate any side effects or potential risks associated with the Atkins 20 diet.

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Stay motivated

Staying motivated is a key part of sticking to a new diet. Here are some tips to help you stay motivated while on the Atkins 20 diet:

Set goals

Before starting the Atkins 20 diet, set achievable, healthy goals. Keep your big-picture goals in mind as you lose weight to motivate you to stay on track and give you something to work towards. You can even write your goals down and keep them in a visible place in your home as a positive reminder.

Understand the Atkins 20 diet

Take some time to understand how the Atkins 20 diet works. In Phase 1, your body will switch from burning carbs to burning fat, which can help kickstart weight loss. You can also read through the list of foods permitted during Phase 1 and head to the grocery store to stock up.

Track your success

Establish a routine to celebrate your success. You can track your progress by weighing yourself, measuring yourself, or taking a photo in front of a mirror. When you start to see how far you've come, it'll be easier to stay motivated.

Surround yourself with support

Whether it's friends, family, or an Atkins community group, it's important to find ways to hold yourself accountable and stay motivated. Reaching your weight loss goals is easier when you surround yourself with people who support you and your low-carb lifestyle.

Snack frequently

Snacks are encouraged on the Atkins 20 diet. Eating two snacks a day between meals will help you stay full and fight high-carb cravings. Keep Atkins bars on hand to satisfy hunger when it strikes.

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Frequently asked questions

The Atkins Phase 20 diet is a low-carbohydrate diet that consists of four phases. It is designed to help people manage their weight and prevent related health conditions, such as metabolic syndrome, diabetes, high blood pressure, and cardiovascular disease.

During the first phase, also known as the induction phase, you can eat full-fat cheese, fats and oils, fish and seafood, poultry, eggs, meat, herbs, and non-starchy and green vegetables. It is important to stick to the list of acceptable foods during this phase to help your body shift from burning primarily carbs to burning primarily fat.

The length of the induction phase depends on your weight loss goals. For some, Phase 1 may only last two weeks. However, you may safely follow it for much longer if you have a lot of weight to lose or prefer to lose weight quickly.

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