Is a 21-Day Fix Good for Weight Loss Diet Plan Foods to Avoid

Is a 21-Day Fix Good for Weight Loss Diet Plan Foods to Avoid

Is a 21-Day Fix Effective for Weight Loss?

The 21-Day Fix plan can help with weight loss, but it is not a sustainable long-term solution.

The 21-Day Fix may result in weight loss, but it is not recommended for several reasons. For lasting weight loss, it is best to adopt a sustainable and healthy approach to diet and exercise.

The 21-Day Fix claims that individuals can lose up to 15 lbs in 21 days by using color-coded containers for portion control and exercising, but these claims are likely exaggerated. Experts criticize the short-term focus and find it too restrictive for some people.

Can the 21-Day Fix help you lose weight?

Following the food and exercise components of the plan can safely aid weight loss.

Although the effectiveness of the 21-Day Fix has not been scientifically proven, its principles are based on respected theories of diet and weight loss, including:

  • Eating fewer calories than you burn
  • Controlling portion sizes
  • Prioritizing home-cooked meals
  • Focusing on fiber and protein-rich foods
  • Choosing healthy carbohydrates
  • Eliminating unhealthy fats, refined carbohydrates, and sugary foods
  • Incorporating regular physical activity
  • Combining cardio and weight-training exercises to burn fat and build muscle
  • Tracking progress

Regardless of the program used, portion control, cooking your own food, and selecting protein and fiber-rich options over fast food and sweets are essential for sustainable weight loss.

Eating fewer calories and exercising regularly are proven methods for effective weight loss.

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What is the 21-Day Fix eating plan?

The 21-Day Fix is a diet plan offered by Beachbody that eliminates the need for measuring cups, ounces, or calories.

The plan includes seven color-coded containers of varying sizes for measuring:

  1. Green container: Vegetables such as broccoli, spinach, and pico de gallo
  2. Purple container: Fruits such as blueberries, strawberries, mango, and banana
  3. Red container: Proteins such as chicken breast, salmon, eggs, and tempeh
  4. Yellow container: Carbohydrates such as sweet potatoes, brown rice, tortillas, whole wheat bread, and wine
  5. Blue container: Healthy fats such as avocado, cheddar cheese, and cashews
  6. Orange container: Seeds and dressings such as pine nuts, cashews, cheddar, and mozzarella
  7. Teaspoons: Oils and butter such as peanut butter, olive oil, and mayonnaise (amount depends on calorie requirements)

The containers also come with lids, which can be used for storage or portion control. The plan determines the individual’s calorie needs and provides a corresponding diet plan.

While drinking water is encouraged, coffee and tea are also allowed.

Treats like wine, oatmeal cookies, trail mix, and chocolate can be included, but portion sizes should be limited, with four ounces or two sips recommended for wine.

How much weight can you expect to lose?

A study suggests that a single 21-Day Fix round lasting three weeks can lead to a weight loss of up to 15 lbs.

However, this estimate may not apply to everyone, as weight loss varies based on body type, age, and fitness level.

Most experts consider a weight loss of 1 to 3 lbs per week to be a safe and realistic goal.

It is important to consider the time frame of the program. If you stop exercising and increase your food intake after 21 days, you will likely regain any lost weight. Continuous weight loss and maintenance require consistent exercise and a calorie deficit until the target weight is reached.

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The 21-Day Fix focuses on eating in a calorie deficit and increasing calorie expenditure through exercise, which are proven methods for weight loss. However, if the new behaviors are not maintained after the program ends, the weight loss is unlikely to be sustained.

21-Day Fix workout DVDs

The 21-Day Fix workout DVDs offer additional benefits, such as Autumn’s three-day diet plan for weight loss before competitions or photoshoots. The package also includes the challenging but effective Plyo Fix workout DVD.

  • Total Body Cardio Fix: Exercises that elevate heart rate and engage muscles
  • Upper Fix: Resistance exercises targeting the chest, back, shoulders, arms, and abs
  • Lower Fix: Exercises that burn calories and tone the lower body, including glutes, quads, hamstrings, and calves
  • Pilates Fix: Exercises to strengthen the core, hips, and thighs while lengthening muscles
  • Cardio Fix: Bodyweight exercises like jumping jacks and burpees to increase heart rate and activate muscles
  • Dirty 30: Four rounds and eight exercises for a challenging workout
  • Yoga Fix: An active relaxation exercise that improves strength, flexibility, and balance

Healthy fats

The daily serving size for healthy fats is one-third cup, regardless of calorie target.

  • Two to six teaspoons of nut butter and oils are allowed per day.
  • For all calorie ranges, one two-tablespoon serving of salad dressing is acceptable.
  • Recipes for salad dressings that meet the 21-Day Fix’s criteria are provided.

Healthy fats allowed in the 21-Day Fix include:

  • Avocados
  • Nuts
  • Seeds
  • Cheese
  • Nut butter
  • Oils
  • Salad dressing

What can you eat?

The 21-Day Fix requires three meals and three snacks per day, with the number of servings determined by your daily calorie needs. However, portion sizes are relatively small, so some individuals may not be consuming enough calories during the 21-day period.

Veggies and fruits

Following the 21-Day Fix encourages the consumption of plenty of whole fruits and vegetables, as is recommended in other research studies. One serving equals one cup. The number of vegetable and fruit servings per day depends on the individual’s calorie needs, ranging from three to six servings of vegetables and two to four servings of fruit.

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What can you not eat?

Avoiding processed and unhealthy foods is important when following the 21-Day Fix.

  • Refined carbohydrates: White bread, white pasta, crackers, and cereal
  • Sugars and sweeteners: Candy, baked goods, and artificial sweeteners
  • Processed and fried foods: Deli meat, packaged snacks, bacon, sausage, hot dogs, potato chips, and deep-fried foods
  • Alcohol: Beer, wine, and spirits

Is the 21-Day Fix a healthy option for you?

The U.S. Food and Drug Administration recommends a daily calorie intake of 1,600 to 2,000 calories for weight loss, considering age, gender, weight, and activity level. However, the 21-Day Fix’s calorie calculation does not account for age, gender, or weight, so the recommended calorie number may not be accurate for everyone.

Using a tool that factors in these variables can provide more personalized results. Nutritionists still recommend calorie counting for successful weight loss and long-term weight management.


Based on research and expert opinions, the 21-Day Fix plan can help some people lose a portion of their excess weight if they strictly adhere to the program. However, it is not suitable as a long-term plan for weight loss, unless an individual is highly disciplined and willing to make it a long-term commitment. It does not meet the criteria for sustainable weight loss programs.

In these circumstances, it is advisable to seek out long-term programs that offer more flexibility in terms of exercise and diet, rather than opting for short-term strategies.

In these circumstances, it is advisable to seek out long-term programs that offer more flexibility in terms of exercise and diet, rather than opting for short-term strategies.


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