
The potato diet is a short-term weight loss plan that involves eating only potatoes for a set period, typically lasting from 2 weeks to 2 months. The diet has gained popularity due to its perceived health benefits and weight loss success stories. While on the potato diet, it is recommended to only drink water, plain tea, or black coffee. It is important to note that this diet is extremely restrictive and lacks key nutrients, which may lead to disordered eating habits and an unhealthy relationship with food. Despite these concerns, some people choose to follow the potato diet for a variety of reasons, including weight loss, simplified cooking, and cutting food cravings.
| Characteristics | Values |
|---|---|
| What to drink | Water, plain tea, or black coffee |
| Purpose | Promote the nutritional value of potatoes and demonstrate that some government policies restricting access to potatoes are unfounded |
| Weight loss | May help with weight loss in the short term, but not a long-term solution |
| Nutritional value | Potatoes are nutritious but don't contain all the necessary nutrients; they are rich in vitamin C, potassium, dietary fibre, magnesium, vitamin B6, and protein |
| Recommended duration | Generally followed for 2-5 days, up to a week, or 10 days |
| Strictness | Extremely restrictive, even stricter versions prohibit condiments, sauces, and seasonings |
| Calories | A potato contains 120-170 calories, and 2-5 pounds of potatoes amount to only 530-1300 calories |
| Preparation | Cooking methods requiring added fat are discouraged; boiling, steaming, baking, and roasting are recommended |
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What You'll Learn

Water, tea, and coffee are allowed
The potato diet, also known as the potato hack, is a short-term, restrictive diet that promises rapid weight loss. It involves eating only plain potatoes for 3–5 days, or sometimes up to 10 days, and discourages the consumption of other foods, including condiments, sauces, and seasonings. Fried or overly processed potato products are not allowed. The diet is designed to be affordable and easy to follow, with potatoes being a cheap and versatile food.
While on the potato diet, it is important to stay hydrated. Water is allowed and encouraged, as it is essential for maintaining the body's fluid balance and supporting overall health. Tea, preferably plain and without added sweeteners or milk, is also permitted. Coffee is allowed, but it should be consumed in moderation and without milk or sugar. These beverages can provide variety and help individuals stay hydrated throughout the day.
It is worth noting that the potato diet is not meant to be followed long-term. Potatoes are nutritious, offering essential vitamins and minerals like vitamin C, potassium, folate, and iron. However, they do not provide all the necessary nutrients for optimal health. Therefore, the diet may lead to nutrient deficiencies if followed for extended periods. As such, it is recommended that individuals consult with a healthcare professional or registered dietitian before starting the potato diet or any restrictive eating plan to ensure it is safe and appropriate for their needs.
During the potato diet, it is crucial to pay attention to portion sizes and individual needs. A general recommendation is to consume approximately 2–5 pounds (0.9–2.3 kg) of potatoes daily, but this may vary depending on the person's hunger and satisfaction. It is also important to be mindful of the cooking methods used, as frying or adding excessive amounts of fat can increase the calorie content and negatively impact the nutritional value. Boiling, steaming, baking, and roasting are recommended as healthier alternatives.
While the potato diet may lead to short-term weight loss, it is not a substitute for a balanced and varied diet. As a restrictive eating pattern, it may also encourage unhealthy relationships with food and is not a sustainable approach for long-term weight management. It is always advisable to consult with a healthcare professional or registered dietitian before starting any new diet to ensure it meets individual nutritional needs and promotes overall health and well-being.
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Milk and oatmeal can be included
The potato diet is a highly restrictive diet that involves eating only potatoes for a set period, usually between 3 and 10 days. While potatoes are highly nutritious, they do not contain all the nutrients required for optimal health. This is where milk and oatmeal come in.
Potatoes supply three of the most important macro-molecules: carbohydrates, protein, and nucleic acid. However, they lack lipids, also known as fats. Milk can provide the healthy fats that are essential for the body, as certain vitamins (A, D, E, and K) are fat-soluble, and therefore cannot be absorbed without fat or oil. Whole cow's milk would provide the necessary fat for a strictly potato diet, as well as other nutrients that potatoes lack, such as certain amino acids.
Oatmeal, on the other hand, is a whole grain that can add fiber to your diet. It is a good source of complex carbohydrates, which can help provide sustained energy throughout the day. Additionally, oatmeal is known for its heart-healthy benefits due to its ability to help lower cholesterol levels.
By including milk and oatmeal in your diet, you can help ensure that you are getting a more complete set of nutrients. However, it is important to note that even with these additions, a highly restrictive diet like the potato diet may still not provide all the necessary nutrients for optimal health. A well-balanced diet that includes a variety of fruits and vegetables, whole grains, healthy fats, and lean protein is generally recommended for promoting sustainable weight loss and overall health.
It is always recommended to consult with a healthcare professional or registered dietitian before starting any new diet, especially one as restrictive as the potato diet, to ensure it is safe and appropriate for your individual needs and health goals.
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It can lead to weight loss
The potato diet is designed for maximum weight loss over a short period. The diet involves eating only plain potatoes for 3–5 days, with some variations of the diet suggesting a longer duration of up to 2 weeks. During this time, dieters aim to consume 2–5 pounds (0.9–2.3 kg) of potatoes daily, which amounts to only 530–1,300 calories. This is far less than the average adult's recommended daily intake, making the potato diet a very low-calorie diet.
Research shows that diets restricting calories typically lead to weight loss, as long as they can be adhered to. The potato diet is no exception, and many people have claimed that it has helped them lose significant weight. In his book, "Potato Hack: Weight Loss Simplified," Tim Steele suggests that potatoes are the "best diet pill ever invented," alleging that they strengthen the immune system, improve gut health, and provide plenty of nutrients to keep dieters energised while losing weight.
One of the key mechanisms by which the potato diet promotes weight loss is through the compound proteinase inhibitor 2 (PI2) found in potatoes. PI2 may help decrease hunger by slowing digestion. A 2016 study in mice found that those treated with PI2 ate significantly less food and lost more weight than untreated mice. However, it is important to note that these effects have not yet been studied in humans.
While the potato diet may be effective for short-term weight loss, it is not a long-term solution. Potatoes are nutritious and provide essential vitamins and minerals such as vitamin C, potassium, folate, and iron. They also contain resistant starches, which may contribute to a healthy gut. However, potatoes do not provide all the necessary nutrients, and following a restrictive diet that eliminates entire food groups can lead to an unhealthy relationship with food and disordered eating behaviours.
In addition, the potato diet may not be sustainable due to its restrictive nature. It eliminates all foods besides potatoes, including nutrient-dense foods like fruits, vegetables, whole grains, healthy fats, and lean protein. This can make it challenging to obtain all the necessary nutrients for optimal health. Furthermore, the potato diet may not be suitable for everyone, especially those with decreased kidney function or kidney disease due to the high potassium content of potatoes.
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It is a highly restrictive diet
The potato diet is a highly restrictive diet. In its purest form, it only allows for the consumption of potatoes, with no other foods or toppings. This means that followers of the diet are missing out on five of the six recommended food groups and are therefore not getting all the nutrients they need. Potatoes do not contain vitamins A or E, which are necessary for functions such as eyesight, immune system support, bone growth, and protection against cell damage.
The diet is also low in calories, with 2-5 pounds of potatoes only amounting to 530-1300 calories. This is far less than the recommended daily intake for adults and may lead to unhealthy behaviours such as binge eating. The potato diet also encourages other restrictive behaviours such as skipping meals and fasting, which are unnecessary and could be detrimental to health.
The potato diet is designed for maximum weight loss over a short period, usually between two and five days, though some may follow it for up to a week or two. It is not intended to be a long-term solution and can be very difficult to follow.
Some people choose to follow a more lenient version of the diet, which allows for other plant-based foods to be consumed alongside potatoes. However, even in these less strict versions, potatoes should still make up the bulk of the meal, with other foods seen as supplements.
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Potatoes are nutritious but lack certain vitamins
Potatoes are a nutritious food, packed with energy and free of fat, cholesterol, and sodium. They are a good source of potassium, vitamin C, vitamin B6, and fibre. However, it is important to note that potatoes lack certain vitamins and nutrients essential for optimal health.
Potatoes are primarily composed of carbohydrates, with a moderate amount of protein and fibre. While they do contain some vitamins and minerals, they are not a significant source of all the nutrients needed for a balanced diet. For example, potatoes do not contain significant amounts of vitamins A, E, or K, or essential fatty acids like omega-3.
The potato diet, which involves consuming only potatoes or mostly potatoes, has gained popularity as a weight-loss method. While it may lead to short-term weight loss due to its calorie restriction, it is extremely restrictive and lacks key nutrients for overall health. No single food, including potatoes, can provide all the necessary nutrients.
To ensure adequate nutrition, it is important to include a variety of foods in your diet, such as fruits and vegetables, whole grains, healthy fats, and lean protein. Restrictive diets like the potato diet may lead to disordered eating habits and an unhealthy relationship with food.
When preparing potatoes, it is worth noting that baking or microwaving them retains more nutrients compared to boiling or frying. Additionally, eating the skin of a potato provides more fibre and certain vitamins and minerals.
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Frequently asked questions
An all-potato diet is an extremely restrictive diet where you eat only potatoes for a set period of time. Some people have tried this diet for 2 weeks, 10 days, or even 60 days.
On an all-potato diet, you are recommended to only drink water, plain tea, or black coffee.
Potatoes are highly nutritious and contain vitamin C, potassium, dietary fibre, magnesium, and vitamin B6. They also contain protein and can help decrease hunger by slowing digestion. An all-potato diet may help with weight loss, simplifying cooking, and cutting food cravings.











































