A List of Many Diets that Exist

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A List of Many Diets to Choose From

Here’s a list of all *many* of the diets that exist in this world, and a short explainer about each of them.

Diets are an essential aspect of our lives, as there are many different types of diets that people follow for various reasons. Following a structured diet can provide many benefits for different types of goals. What we eat impacts our health, well-being, and even the environment. The world of diets can also be overwhelming and confusing. From paleo to keto to vegan, there are countless diets to choose from, each with its own set of rules, restrictions, and supposed health benefits. Let’s explore some of the most common and unique diets worldwide, including their benefits, drawbacks, and their connection to religious or philosophical beliefs.

Paleo Diet

The paleo diet, also known as the “caveman” diet, is based on the idea of eating only foods that were available to our hunter-gatherer ancestors. This means avoiding processed foods, dairy, grains, and legumes, and focusing on lean meats, fruits, vegetables, nuts, and seeds. The goal of the paleo diet is to promote weight loss, improve energy, and reduce the risk of chronic diseases such as diabetes and heart disease.


Ketogenic Diet

The ketogenic diet, or “keto” for short, is a high-fat, low-carbohydrate diet that forces the body to burn fat for energy instead of glucose. This is achieved by drastically reducing carbohydrate intake and increasing fat intake. The ketogenic diet has been shown to be effective for weight loss, reducing seizures in epilepsy, and improving blood sugar control in people with diabetes.


Vegan Diet

The vegan diet is a plant-based diet that excludes all animal products, including meat, dairy, eggs, and honey. The vegan diet is typically rich in fruits, vegetables, whole grains, and legumes, and low in saturated fat and cholesterol. The goal of the vegan diet is to reduce the risk of chronic diseases, such as heart disease and cancer, and promote ethical and environmental considerations.


Vegetarian Diet

The Vegetarian Diet is a diet that excludes meat but may include dairy and eggs. There are several variations, including lacto-ovo-vegetarian, who consume dairy and eggs, and pescatarians, who include fish in their diet. Vegetarianism has been associated with lower rates of heart disease, high blood pressure, and type 2 diabetes. However, vegetarians may need to pay extra attention to their protein, iron, and vitamin B12 intake.


Mediterranean Diet

The Mediterranean diet is based on the traditional cuisine of countries such as Greece and Italy. It emphasizes fruits, vegetables, whole grains, legumes, nuts, and seeds, with moderate amounts of fish, poultry, and dairy. The Mediterranean diet is rich in healthy fats such as olive oil, and has been shown to reduce the risk of heart disease, stroke, and cognitive decline.



The DASH diet, short for Dietary Approaches to Stop Hypertension, aims to lower blood pressure through a diet rich in fruits, vegetables, whole grains, and lean protein. It is a well-balanced diet that may also reduce the risk of heart disease, stroke, and diabetes. However, it may be challenging to follow for those with a limited budget, as it emphasizes fresh produce and lean meats.

Whole30 Diet

The Whole30 diet is a 30-day program that eliminates grains, dairy, legumes, sugar, and processed foods. The goal of the Whole30 diet is to reset the body’s metabolism, improve digestion, and reduce inflammation. After 30 days, foods are gradually reintroduced to identify any potential sensitivities. It is not intended as a long-term diet but rather as a way to identify food sensitivities and improve overall health. However, it can be restrictive and challenging to follow for some individuals.

The Atkins Diet

The Atkins diet is a high-protein, low-carbohydrate diet that was popularized in the 1990s. The Atkins diet focuses on eating protein and fat to provide energy, while limiting carbohydrates to promote weight loss. The Atkins diet has been shown to be effective for weight loss in the short term, but may have negative effects on heart health in the long term.

Low-Fat Diet

The low-fat diet is based on the principle that reducing fat intake will lead to weight loss and improved health. This diet typically includes high amounts of fruits, vegetables, whole grains, and lean proteins, while limiting high-fat foods such as red meat, cheese, and butter. The low-fat diet has been shown to reduce the risk of heart disease and improve cholesterol levels.

Intermittent Fasting

Intermittent fasting is a pattern of eating that involves cycling between periods of fasting and non-fasting. There are many different types of intermittent fasting, including the 16/8 method, where you fast for 16 hours and eat during an 8-hour window, and the 5:2 diet, where you eat normally for 5 days and restrict calorie intake to 500-600 calories for 2 days. Intermittent fasting has been shown to promote weight loss, improve insulin sensitivity, and reduce inflammation.

Flexitarian Diet

The flexitarian diet is a flexible and semi-vegetarian approach to eating. It emphasizes plant-based foods, but allows for occasional meat consumption. The goal of the flexitarian diet is to promote health, reduce the environmental impact of meat consumption, and provide a more sustainable and flexible approach to eating.

Religious and Spiritual Diets

Many religions and spiritual practices have dietary restrictions or recommendations. For example, Judaism prohibits the consumption of pork and shellfish, while Hinduism promotes a vegetarian diet. In Buddhism, some practitioners follow a monastic diet that includes only one meal per day. These diets are based on religious or philosophical beliefs and may have health benefits or spiritual significance.

Fruitarian Diet

The fruitarian diet is a type of vegan diet that only includes fruits, nuts, seeds, and other plant-based foods that can be harvested without harming the plant. It is a highly restrictive diet that may be low in protein, fat, and certain vitamins and minerals. While it may have some health benefits, such as weight loss and improved digestion, it may not be suitable for long-term health.

It’s important to note that each diet has its own set of benefits and potential drawbacks, and what works for one person may not work for another. It’s also important to consult with a healthcare professional before starting any new diet, especially if you have underlying health conditions.

Fact Sources:

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Paoli, A., Rubini, A., Volek, J. S., & Grimaldi, K. A. (2013). Beyond weight loss: a review of the therapeutic uses of very-low-carbohydrate (ketogenic) diets. European journal of clinical nutrition, 67(8), 789-796.

Craig, W. J. (2009). Health effects of vegan diets. The American journal of clinical nutrition, 89(5), 1627S-1633S.

Leitzmann, C. (2005). Vegetarian diets: what are the advantages?. Forum of nutrition, 57, 147-156.

Keys, A. (1980). Mediterranean diet and public health: personal reflections. The American journal of clinical nutrition, 32(5), 913-917.

Appel, L. J., Moore, T. J., Obarzanek, E., Vollmer, W. M., Svetkey, L. P., Sacks, F. M., … & Bray, G. A. (1997). A clinical trial of the effects of dietary patterns on blood pressure. New England journal of medicine, 336(16), 1117-1124.

Hartwig, M. (2009). The Whole30: The 30-Day Guide to Total Health and Food Freedom. Houghton Mifflin Harcourt.

Westman, E. C., Yancy Jr, W. S., Mavropoulos, J. C., Marquart, M., & McDuffie, J. R. (2005). The effect of a low-carbohydrate, ketogenic diet versus a low-glycemic index diet on glycemic control in type 2 diabetes mellitus. Nutrition & metabolism, 2(1), 34.

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Ketogenic Diet 101: A Beginner’s Guide. (2021). Healthline. https://www.healthline.com/nutrition/ketogenic-diet-101

Veganism. (2021). The Vegan Society. https://www.vegansociety.com/go-vegan/definition-veganism

Vegetarian Diet: How to Get the Best Nutrition. (2021). Mayo Clinic. https://www.mayoclinic.org/healthy-lifestyle/nutrition-and-healthy-eating/in-depth/vegetarian-diet/art-20046446

Mediterranean Diet 101: A Beginner’s Guide and Meal Plan. (2021). Healthline. https://www.healthline.com/nutrition/mediterranean-diet-meal-plan

DASH Diet: Healthy Eating to Lower Your Blood Pressure. (2021). Mayo Clinic. https://www.mayoclinic.org/healthy-lifestyle/nutrition-and-healthy-eating/in-depth/dash-diet/art-20048456

Whole30. (2021). Whole30. https://whole30.com/whole30-program-rules/

Atkins Diet: What’s behind the Claims? (2021). Mayo Clinic. https://www.mayoclinic.org/healthy-lifestyle/weight-loss/in-depth/atkins-diet/art-20048485

Low-Fat Diet: Why Fat-free Isn’t Trouble-free. (2021). Mayo Clinic. https://www.mayoclinic.org/healthy-lifestyle/nutrition-and-healthy-eating/in-depth/low-fat-diet/art-20045813

Intermittent Fasting 101: The Ultimate Beginner’s Guide. (2021). Healthline. https://www.healthline.com/nutrition/intermittent-fasting-guide

Flexitarian Diet: A Detailed Beginner’s Guide and Meal Plan. (2021). Healthline. https://www.healthline.com/nutrition/flexitarian-diet-guide