Madeleine Hull
The Atkins diet is a low-carbohydrate diet that aims to help people lose weight. It was created by Dr. Robert Atkins, a cardiologist, in the 1970s and has since undergone several modifications. The diet involves limiting carbohydrates and increasing protein and fat intake, with a focus on high-fat, high-protein foods, and low-carb vegetables. While it can be effective for weight loss, it may not be suitable for everyone, especially those with certain medical conditions or active individuals. The diet has four phases, starting with a significant reduction in carbohydrate intake to just 20 grams per day for the first two weeks, and slowly reintroducing carbohydrates while monitoring weight. The Atkins diet can be challenging to maintain, and critics argue that it may lead to disordered eating behaviours. It is always recommended to consult a healthcare professional before starting any new diet.
| Characteristics | Values |
|---|---|
| Carbohydrate intake | 20 grams per day for the first two weeks, then slowly increase |
| Protein intake | As much as desired |
| Fat intake | As much as desired |
| Alcohol | Small amounts; dry wines with no added sugars |
| Plant-based | 43% of diet from healthy plant-based fat sources such as avocado, nuts, seeds, olive oil, and coconut oil |
| Fruit | Reintroduced in Phase 2 |
| Vegetables | High-fibre vegetables encouraged; foundation vegetables recommended |
| Exercise | Encouraged |
| Supplements | Recommended to make up for lack of nutrient-rich foods |
| Health benefits | Weight loss, improved blood sugar, improved HDL (good) cholesterol, improved triglycerides |
| Health risks | May increase LDL (bad) cholesterol, risk of developing disordered eating habits, may not meet all essential micronutrient requirements |
| Who it's for | Not recommended for athletes or people with diabetes, high cholesterol, or heart disease |
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What You'll Learn
Atkins 20 vs Atkins 40
The Atkins 20 and Atkins 40 are both low-carb diet plans designed for weight loss. The main difference between the two is the amount of net carbs one can consume daily.
Atkins 20
Atkins 20 is best for those who have over 40 pounds to lose or are diabetic. The diet starts with an induction phase, limiting net carbs to 20 grams per day for two weeks. This phase can be followed for longer if you have a lot of weight to lose or prefer to lose weight quickly. During this phase, you can eat high-fat, high-protein foods and low-carb vegetables. Bacon is allowed in moderation. After the induction phase, you slowly add more nuts, low-carb vegetables, and small amounts of fruit. In the final phase, you add more carbs until weight loss slows down.
Atkins 40
Atkins 40 is a more flexible and easy-to-follow plan, allowing a wider variety of food choices from the start. It is ideal for those with less than 40 pounds to lose, as well as pregnant or breastfeeding women. This plan starts with a daily intake of 40 grams of net carbs, along with 4 to 6-ounce servings of protein and 2 to 4 servings of fat. As you approach your weight loss goals, you can increase your carbohydrate portion size. Atkins 40 also recommends avoiding added sugars and refined carbs, as well as any foods that trigger unhealthy cravings.
Both plans can be followed by vegetarians and vegans, with some adjustments. Vegetarians can start Atkins 20 with 30 grams of net carbs, while vegans can start Atkins 40 with 40 grams of net carbs, allowing them to include nuts, seeds, and legumes from the beginning.
It is important to consult a healthcare professional before starting any new diet plan, especially restrictive diets like the Atkins, which may increase the risk of developing disordered eating habits.
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What to eat and drink
The Atkins diet is a low-carb, high-fat, and high-protein diet that relies on ketogenesis for weight loss. It is usually recommended for weight loss, and proponents of this diet claim that you can lose weight while eating as much protein and fat as you want if you avoid foods high in carbs.
The diet has four phases, and the foods you eat and drinks you consume will depend on which phase you are in.
Phase 1: Induction
In the first phase, you should be consuming under 20 grams of carbs per day for two weeks. You should eat high-fat, high-protein foods with low-carb vegetables like leafy greens. This includes kale, spinach, broccoli, and asparagus. You can also eat bacon in moderation.
Phase 2: Balancing
In the second phase, you can slowly add more nuts, low-carb vegetables, and small amounts of fruit back into your diet. This includes nuts and seeds, berries, melon, and cherries.
Phase 3: Fine-tuning
In the third phase, you add more carbs to your diet until your weight loss slows down.
Phase 4: Maintenance
In the final phase, you can eat as many healthy carbs as your body can tolerate without regaining weight.
Drinks
Water should be your go-to beverage. Coffee, green tea, and unsweetened tea are also acceptable drinks. You can also drink alcohol in small amounts, but stick to dry wines with no added sugars and avoid high-carb drinks like beer and cocktails.
It is important to note that the Atkins diet may not be suitable for everyone, and it is always a good idea to consult a healthcare professional before starting any new diet.
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How much to eat
The Atkins diet is a low-carb, high-protein, and high-fat diet. It is designed to help people lose weight by limiting carbohydrates and controlling insulin levels. The diet has four phases, and the number of carbs you can eat varies at each stage.
During the first phase, induction, dieters start with under 20 grams of carbs per day for two weeks. This phase is about changing the way the body uses nutrients and kick-starting weight loss. It is recommended that 12-15 grams come from foundation vegetables, with an average of 20 grams a day over several days. However, it is important not to go below 18 grams or above 22 grams in a single day.
In the second phase, balancing, dieters slowly add more nuts, low-carb vegetables, and small amounts of fruit back to their diet. This phase is about understanding your carb tolerance and finding a balance between weight loss and a diet for life. You may find that you are comfortable at a relatively low level of net carbs a day, perhaps 25 to 35 grams, or you may go higher, to 50 or 60 grams, which will allow you to include legumes and some vegetable juices.
In the third phase, fine-tuning, dieters add more carbs to their diet when they are very close to their goal weight. The number of carbs added depends on the individual's weight loss goals. Once they reach their target weight, they can use the Atkins carb counter to help maintain their weight. Net carb intake will usually be between 40 and 120 grams a day.
It is important to note that the Atkins diet may not be suitable for everyone. It can be challenging to access fresh produce or high-quality meat, and the diet may be expensive. Restrictive diets can also increase the risk of developing disordered eating habits. It is always a good idea to consult a healthcare professional before starting a new diet.
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How often to eat
The Atkins diet is a low-carbohydrate diet that encourages the consumption of high-fat and high-protein foods. It is based on the idea that reducing carbohydrate intake, particularly refined carbohydrates and sugar, will lead to weight loss as the body's metabolism shifts from burning glucose to burning stored body fat. While the diet can be effective for weight loss, it may not be suitable for everyone and can be challenging to follow in the long term.
When it comes to how often one should eat during the Atkins diet, it is recommended to never go more than three to four waking hours without eating. This means that one may prefer to have five or six small meals throughout the day. It is important to ensure that you never allow yourself to become too hungry, as this can lead to overeating or making less healthy food choices.
During the initial phase of the Atkins diet, known as the "Induction" phase, the daily carbohydrate intake is restricted to under 20 grams per day for the first two weeks. This phase is crucial for kick-starting weight loss and changing the way the body uses nutrients. After the induction phase, the diet progresses to the “Balancing" phase, where more nuts, low-carb vegetables, and small amounts of fruit are gradually reintroduced.
In the "Balancing" phase, the daily carbohydrate intake can vary between individuals but typically ranges from 40 to 120 grams per day. This phase is about understanding your carb tolerance and finding a balance that works for you. It is important to carefully monitor your weight during this phase to ensure that it does not increase as you introduce new foods.
The final phase of the Atkins diet is the "Fine-Tuning" phase, which is reached when an individual is very close to their goal weight. At this stage, more carbohydrates are added to the diet until weight loss slows down. This phase is about finding the right balance of carbohydrates to maintain your target weight.
It is worth noting that the Atkins diet may not be suitable for everyone. It can be challenging for those who are very active, such as athletes, as they require carbohydrates for energy. Additionally, restrictive diets like Atkins can increase the risk of developing disordered eating habits and may not provide all the essential micronutrients needed. It is always recommended to consult a healthcare professional or registered dietitian before starting any new diet, especially if you have any health concerns or conditions.
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Atkins vs keto
The Atkins and keto diets are two of the best-known low-carb diets. Both require a drastic reduction in high-carb foods, including sweets, sugary drinks, breads, grains, fruits, legumes, and potatoes. However, there are some key differences between the two diets.
The Atkins diet is one of the most popular low-carb diets worldwide. It works in four phases that allow you to gradually increase your carb intake as you progress toward your goal weight. The first phase, Induction, allows for 20-25 grams of net carbs per day until you are 15 pounds away from your goal weight. Phase 2, Balancing, prescribes a carbohydrate intake of 25-50 grams per day. In Phase 3, Fine-Tuning, you can eat up to 80 grams of carbs until you meet your goal weight and maintain it for at least one month. Phase 4 is the maintenance phase, allowing for 80-100 grams of carbs per day. The Atkins diet allows for moderate protein intake, with up to 30% of calories coming from protein. It also includes high amounts of fat.
The keto, or ketogenic, diet is a very low-carb, moderate-protein, high-fat diet plan. The goal of the keto diet is to get your body into a metabolic state of ketosis, during which it uses fat instead of sugar from carbs as its main energy source. To reach and maintain ketosis, most people need to limit their total carb intake to 20-50 grams per day, with less than 5% of calories from carbs and 65-90% from fat. The keto diet places more emphasis on carb elimination and restricts protein sources, as the body may break down proteins into glucose for energy. The keto diet also puts more emphasis on eating healthful fats than the Atkins diet.
In summary, the main difference between the Atkins and keto diets is that Atkins is a multiphase diet that gradually increases carb intake, allowing for a wider variety of foods, while keto is a more restrictive, single-phase diet that emphasises carb elimination and getting the body into ketosis. Atkins allows for more protein intake, while keto restricts protein sources to prevent the body from breaking them down for energy. Both diets are fairly restrictive and can be challenging to stick to, but they can lead to weight loss and improve overall health.
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Frequently asked questions
Cheat days are OK and expected because no one is perfect. However, it is important to stick to the basics of cutting carbs and sugar, and to plan ahead so you have healthy snack options available.
You should never go more than three or four waking hours without eating. If you prefer, have five or even six small meals. You never want to allow yourself to become ravenously hungry.
The Atkins diet encourages dieters to exercise more than it did in the past.
When you are within 5-10 pounds of your target weight, you can add 10g of net carbs each week. Once you reach your target weight, you can use the Atkins carb counter to help keep on track.
