The ketogenic diet is a low-carb, high-fat method of eating that promises significant weight loss results. The diet aims to put your body into a state of ketosis, where fat is burned as the primary fuel source instead of glucose. While results vary from person to person, you can expect to see some changes within the first week of starting the keto diet. Initially, you will lose water weight, which can amount to a few pounds. After the first week, you can expect to lose about 1-2 pounds of fat per week. It's important to remember that everyone's experience with keto will be different, and factors such as genes, muscle mass, insulin sensitivity, and activity level can influence how quickly you see results.
What You'll Learn
You will lose water weight first
When starting a keto diet, you will likely lose water weight first. This is because the keto diet restricts carbohydrates, which require water to stay in the body. For each gram of glycogen stored in your body, there are 2-3 grams of water attached. So, when you reduce your carb intake, your body will use up its glycogen stores for fuel before it starts burning fat. Once your glycogen stores are depleted, the water bound to them will be eliminated from your body. This loss of excess water is what causes the sudden and dramatic weight loss in the first week of starting keto.
The amount of weight loss in the first week of keto can vary from 2-10 lbs, and this is mostly due to the loss of water weight. The larger you are, the more water weight you are likely to lose initially. However, it is unlikely that much of this initial weight loss is fat loss. That being said, losing water weight is a positive sign that your body is transitioning into ketosis, which is when your body starts burning fat for energy instead of glucose.
After the first week, your weight loss will slow down to a steadier pace of about 1-2 lbs per week. This is when you will start to notice a difference in your body as you gradually become leaner and your body begins to change shape. You will also start to feel the benefits of keto, such as having fewer cravings and more energy.
While the keto diet can be an effective way to lose weight, it is important to remember that it may not be the easiest eating plan to follow. It is also crucial to ensure you are getting the proper amounts of vitamins and minerals, so consider meeting with a dietitian to guide you through the process.
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Ketosis is the metabolic state you want to reach
You will know you are in ketosis by testing your ketone levels in your urine or blood. Some people can hit ketosis in their first week, but for others, it can take up to 10 days or longer. During this transition period, it is normal to experience some shifts in how you feel, such as headaches, fatigue, muscle aches, nausea, brain fog, and irritability, commonly known as the "carb flu."
Once you are in ketosis, you will likely experience increased energy levels, reduced hunger, and a more stable energy level throughout the day. In addition to weight loss, other benefits of the keto diet include feeling fuller and maintaining muscle mass. However, it is a challenging diet to follow, and it is important to ensure you are getting the proper amounts of vitamins and minerals.
While on the keto diet, it is essential to stay hydrated and consume enough water. You may also need to increase your salt intake, as the high amount of ketones in the body can lead to dehydration. Additionally, it is recommended to prioritize water intake once you hit ketosis.
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You will need to eat more salt
When starting a keto diet, you can expect to see results in the first week. In this initial period, you can expect to lose between 2-10 pounds, though this is mostly due to a loss of water weight rather than fat. After the first week, you can expect to lose 1-2 pounds per week on average.
The keto diet is a low-carb, high-fat diet that places the body in a state of ketosis, where fat is burned for energy instead of glucose. While this shift can lead to significant weight loss, it's important to be aware of some potential side effects, such as the "keto flu."
The keto flu is a common side effect of the keto diet, causing symptoms such as fatigue, brain fog, dizziness, and digestive issues. One way to help alleviate these symptoms is by increasing your salt intake. When your body enters ketosis, it loses stored electrolytes, including sodium (salt). Sodium is an essential mineral that plays a crucial role in regulating water retention and other bodily functions.
On the keto diet, sodium consumption is naturally decreased as you eliminate packaged and processed foods, which are typically high in sodium. As a result, you may experience a drop in sodium levels, which can contribute to the unpleasant symptoms of the keto flu.
To counteract this, aim to consume two to four grams of sodium (2000-4000 mg) per day. This can be achieved by adding salt to your meals, drinking bone broth, or consuming salted nuts or canned goods. Some popular keto-friendly salt options include pink Himalayan salt and Celtic sea salt, which are less processed and contain additional minerals.
By ensuring you're getting enough salt, you can help minimize the negative side effects of the keto flu and support your body's transition into ketosis.
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You may experience carb flu
You may experience "keto flu" or "carb flu" when starting a ketogenic diet. This is a group of symptoms your body may experience as it adapts to a new diet consisting of very few carbohydrates. The symptoms can include:
- Headaches
- Nausea
- Lightheadedness
- Constipation
- Fatigue
- Diarrhea
- Muscle soreness and cramps
- Insomnia
- Cravings
- Achiness
These symptoms are likely due to the sudden change in diet and the transition into ketosis, where your body burns stored fat instead of glucose. The good news is that these side effects typically only last a week or two, and there are ways to ease the discomfort.
- Drink plenty of water to stay hydrated and prevent dehydration. This is especially important if you previously consumed a lot of sugary drinks.
- Get enough electrolytes by adding more salt to your food or drinking sports drinks that are high in electrolytes. Electrolyte imbalances can cause symptoms such as fatigue, muscle cramps, and body weakness.
- Eat enough healthy fats and make sure you're consuming enough calories. This may help increase your energy levels and reduce nausea.
- Get plenty of rest and avoid heavy exercise during the first week. Focus on lighter forms of exercise, such as yoga or stretching, and prioritize sleep to combat fatigue.
- Consider a slower transition to the keto diet by gradually reducing your carb intake over a few days or weeks, rather than immediately and severely limiting it.
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You will need to recalculate your macros
The keto diet is a low-carb, high-fat method of eating that promises significant weight loss results. The diet aims to put your body into ketosis, where fat is burned as the primary fuel source instead of glucose. To get to ketosis, you need to deprive your body of glucose and restrict your carb intake.
When starting the keto diet, you will need to recalculate your macros. This involves figuring out your macro ratios and what it looks like to eat 70-75% fat and very low carbohydrates. It can be tricky to keep your protein low (around 15%) and you will need to either eat a very small amount of animal protein or pick fattier cuts. There are many online resources and apps, such as MyFitnessPal, that can help you calculate your macros and track your food intake.
It is important to note that everyone's body is different, and the time it takes to reach ketosis can vary. For most people, it takes about three days to enter ketosis, but it can take up to a week or longer, depending on factors such as genes, muscle mass, insulin sensitivity, activity level, and prior diet.
During the first week of the keto diet, you will likely experience a transition period known as the "carb flu," with symptoms such as headaches, fatigue, muscle aches, nausea, brain fog, and irritability. By the end of the first week, you may start to feel more energetic and less bloated as your body adjusts to running off of fats for fuel.
After the first week, your body will continue to transition into ketosis, and you may start to notice more significant weight loss results. This is when you will really need to recalculate your macros to ensure you are eating the right amounts of each macronutrient for your body and lifestyle.
After three months on the keto diet, most people find that weight loss slows down further, and you may need to recalculate your macro amounts again. Your body would have lost a moderate amount of weight by this point, and your activity levels may have increased, both of which impact your macro needs. Adjusting your macro intake will help you continue to see weight loss results.
Remember that the keto diet can be challenging to follow correctly, and it is important to ensure you are getting the proper amounts of vitamins, minerals, and calories. Consulting with a dietitian can be helpful to ensure you are on the right track and meeting your nutritional needs.
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Frequently asked questions
You will likely start to see results within the first week of starting the keto diet, with some people reporting weight loss of anywhere from 1 pound (0.5 kg) to 10 or more pounds (5 kg). However, it's important to note that most of this initial weight loss is due to a loss of water weight, not fat loss.
The keto diet helps to reduce weight by burning fat for fuel, increasing feelings of fullness from high-fat intake, and reducing blood sugar cravings. These factors contribute to a reduction in body fat and a decrease in the amount of food consumed, resulting in significant overall weight loss.
During the first few days of the keto diet, you may experience what is known as the "carb flu," which includes symptoms such as headaches, fatigue, muscle aches, nausea, brain fog, and irritability. This is a result of your body adjusting to the lack of carbohydrates. By the end of the first week, these symptoms should start to subside, and you'll likely feel more energetic and less hungry.