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Nutritionist Advised - 5 Popular Weight Loss Diet

Published : January 23, 2024 4 mins read Updated On : Jan 23, 2024

There are numerous weight loss diets available, and what works best can vary from person to person. Weight loss diets are basically eating plans designed to help individuals lose weight by controlling their intake of calories. These diets often involve specific guidelines, restrictions, or modifications to the types and amounts of food consumed.

Nutritionist Advised - 5 Popular Weight Loss Diet

Here are some common types of weight loss diets:

  • Intermittent fasting

Intermittent fasting includes periods of eating and fasting. It is based on the 16/8 method (16 hours of fasting, 8 hours of eating) or alternate day fasting.

Better weight loss
Hunger and irritability
Improved insulin sensitivities
Potential for overeating
Cellular repair and autophagy
Energy fluctuation
Cardiovascular health
 Nutrient deficiencies
Simple-easy to follow, time saving
Social and lifestyle limitation

  • Keto diet

The ketogenic diet, often referred to as the keto diet, is a high-fat, low-carbohydrate eating plan designed to induce a state of ketosis in the body. Ketosis is a state of metabolism where the body primarily uses fat for energy instead of carbohydrates. Most calories in this type of diet come from fat and protein, then carbohydrates which is quite different from the usual normal daily diet.



Effective for weight loss
May cause headache, fatigue, dizziness, nausea, and irritability
Positive effect on health marker- triglycerides,cholestrol inflammation
Might increase bad cholesterol LDL
Suppress appetite
Difficulty sustaining long term- due to lack of options
Stabilize blood sugar level
Digestive issues due to low fiber in diet
Increased fat oxidation
Increased risk of health conditions like- pancreatitis, liver disease, or disorders of fat metabolism.
  • Vegan diet

A vegan diet is a plant-based eating pattern that excludes all animal-derived products. People following a vegan lifestyle, known as vegans, refrain from consuming meat, dairy, eggs, and other animal products, even honey sometimes. A well-planned vegan diet can offer a variety of health benefits but requires attention to nutritional needs.

High in antioxidants, vitamin and minerals
Increased risk of certain nutritional deficiencies – Vit B12, iron and calcium
Better weight management due to low saturated fat and calories
Harder to meet daily protein goals
Better digestive health due to increase in fiber
Increased bloat and gas
Environment sustainability- reduced carbon footprints
Social limitations- due to lack of options and awareness

  • Low carb diet

A low-carb diet is an eating plan that restricts the intake of carbohydrates, often with a focus on increasing protein and fat consumption.

Effective for weight loss
Nutrient deficiencies due to certain food restriction
Improved blood sugar levels
Digestive issue-constipation due to lack of fiber
Positive effect on lipid profile- Increase in good cholesterol
Difficult sustainability 

  • Paleo diet

The Paleo diet, also known as the Paleolithic or caveman diet, is based on the presumed diet of our ancestors during the Paleolithic era. It emphasizes whole, unprocessed foods and restricts or eliminates grains, legumes, dairy, and processed foods.

Whole nutrient dense foods
Lack of certain nutrient like- Vit D, calcium, fiber
Enhanced weight loss
Expensive food options
Increased protein intake 
Overemphasis of animal protein
Anti-inflammatory properties
Lack of long-term research

Not sustainable for environment


To sum up, any per se will have some or the other flaw. The diet that suits you, your body and lifestyle will be different from the one that suits others, so to end when it comes to a diet for weight loss there is no one-fits-all diet as every individual's need is different and so will the diet they will need if they want to lose weight. Before starting any diet, it's crucial to consult with a healthcare professional or a registered dietitian, especially for individuals with pre-existing health conditions. Additionally, the approach should be sustainable and align with individual preferences and lifestyles.


1. Which food is best for weight loss?

Weight loss is an individualized process, and there is no one-size-fits-all approach. However, incorporating certain foods like good quality fats, lean sources of protein, complex carbohydrates and lots of green vegetables and fruits into your diet can support your weight loss efforts.

2. How to lose stomach fat?

Spot reduction (losing fat from a specific area) is challenging, and overall fat loss is necessary to reduce stomach fat. To lose fat, eating a well-balanced diet, control portion size, stay hydrated, include fiber in your diet, limit alcohol and start exercising regularly can help reduce stomach fat.

3. What is considered a low carb diet?

A low-carb diet is generally characterized by a reduced intake of carbohydrates, with a focus on obtaining energy from other macronutrients, such as fats and proteins.

4. What is a 21-day diet plan?

A 21-day diet plan typically refers to a structured eating plan designed to be followed for three weeks. The duration of 21 days (about 3 weeks) is often chosen as it is believed to be long enough to establish new habits and see some initial results, but it's short enough to be manageable for many people.

5. Which diet is most successful for weight loss?

There is no one-size-fits-all answer to the question of which diet is most successful for weight loss, as individual responses to different diets can vary widely. The effectiveness of a diet depends on various factors, including personal preferences, lifestyle, medical conditions, and adherence to the plan.

6. What are the best foods to eat to lose weight?

Include lots of vegetables, fruits, lean sources of protein, healthy fats, whole grains and low-fat dairy. Keeping yourself hydrated is also important when it comes to weight loss.

Institute of Medicine (US) Subcommittee on Military Weight Management. Weight Management: State of the Science and Opportunities for Military Programs. Washington (DC): National Academies Press (US); 2004. 4, Weight-Loss and Maintenance Strategies. Available from: https://www.ncbi.nlm.nih.gov/books/NBK221839/

Kim JY. Optimal Diet Strategies for Weight Loss and Weight Loss Maintenance. J Obes Metab Syndr. 2021 Mar 30;30(1):20-31. doi: 10.7570/jomes20065. PMID: 33107442; PMCID: PMC8017325.

Soumil Vartak
Health and Fitness enthusiast

Soumil is really passionate about health and fitness. He provides great insight on various trends about health and fitness. By writing about these topics he try to provide key insight on diet and e... Read More


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