{"id":486,"date":"2022-04-04T16:40:00","date_gmt":"2022-04-04T16:40:00","guid":{"rendered":"https:\/\/coachrally.co.uk\/?p=486"},"modified":"2025-12-29T11:25:05","modified_gmt":"2025-12-29T11:25:05","slug":"what-to-expect-during-the-first-2-weeks-on-keto","status":"publish","type":"post","link":"https:\/\/coachrallyrus.com\/keto-recipes\/what-to-expect-during-the-first-2-weeks-on-keto\/","title":{"rendered":"What to Expect in First Two Weeks of Keto Diet: Body Changes"},"content":{"rendered":"\n

Starting a ketogenic diet can be a big change, but it comes with many health benefits. Here\u2019s what you can expect in the first two weeks.<\/em><\/strong><\/p>\n\n\n\n

Day 1: The Beginning<\/h2>\n\n\n\n

On your first day, you\u2019ll start reducing your carb intake. This means cutting out whole grains, high-carb diet foods, and sugary snacks. Instead, you\u2019ll focus on healthy fats like olive oil and coconut oil. <\/p>\n\n\n\n

Transitioning to a low-carb diet can feel overwhelming, but remember, every small step counts. Begin by planning your meals and stocking up on keto-friendly foods.<\/p>\n\n\n\n

New to keto and want a calm place to start? I put together a simple Keto Start Checklist you can download and follow without overthinking.
Get the free checklist here.<\/a><\/strong><\/em><\/p>\n\n\n\n

The First Few Days: Keto Flu<\/h2>\n\n\n\n

In the first week of keto, you might experience flu-like symptoms known as the keto flu. This happens as your body adjusts to a low-carb diet. <\/p>\n\n\n\n

Symptoms can include headaches, fatigue, and mood swings. Drink plenty of water and consider electrolyte supplements to help ease these side effects. <\/p>\n\n\n\n

The good new<\/strong>s is that these symptoms are temporary. Staying hydrated and getting enough rest can make this transition period smoother.<\/p>\n\n\n\n

Many people experience the \u201cketo flu\u201d at the start, with symptoms like fatigue, dizziness, muscle cramps, and headaches. This is due to losing water weight and electrolytes quickly. Focus on sodium, potassium, and magnesium. Salt your food more, eat foods high in these electrolytes, or use pre-made electrolyte powders like Dr Berg\u2019s Original Electrolyte Powder<\/strong><\/a><\/p>\n\n\n\n

If food choices feel confusing during this phase, I\u2019ve organised everything into a printable Keto Foods List<\/strong> <\/a>you can keep handy.<\/p>\n\n\n\n

Water Weight Loss<\/h2>\n\n\n\n

One of the first changes you\u2019ll notice is a rapid weight loss due to water weight. This happens because your body is using up its glycogen stores, which hold water. <\/p>\n\n\n\n

This initial weight loss can be motivating, but remember it\u2019s mostly water loss, not fat loss. It\u2019s important to keep your expectations realistic and understand that fat loss will follow as you continue with the diet.<\/p>\n\n\n\n

One of the first things you\u2019ll notice is losing water weight. This happens because reducing carbs also reduces the amount of water stored in your body. You\u2019ll feel less bloated and see changes on the scale quickly, which can be super motivating!<\/p>\n\n\n\n

Entering Ketosis<\/h2>\n\n\n\n

By the end of the first week, your body will start producing ketone bodies as it enters a metabolic state called ketosis. This is when your body begins to burn fat for fuel instead of carbs. <\/p>\n\n\n\n

You might notice bad breath, which is a sign of increased ketone levels. Testing your ketone levels can help you track your progress. There are several methods, including urine strips, blood meters, and breath analyzers.<\/p>\n\n\n\n

Contrary to what some believe, you can enter ketosis within 48 hours by limiting your carb intake and depleting your glycogen stores. Keep your carb limit at 20g net carbs (Total Carbs – Fiber – Sugar Alcohols) to ensure you enter ketosis. For example, while blueberries are keto-friendly, 1 cup contains 20g of net carbs.<\/p>\n\n\n\n

Energy Levels and Mental Clarity<\/h2>\n\n\n\n

As you transition into the second week, you may start to feel more energetic and mentally clear. This is because your body is now efficiently burning fat for energy. Many keto dieters report improved energy levels and better focus. This boost in energy can be a great motivator to continue with your keto plan. Light exercise, such as walking or yoga, can further enhance these benefits.<\/p>\n\n\n

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\"Keto<\/a>
Keto Diet Effects: Positive And Negative<\/figcaption><\/figure>\n<\/div>\n\n\n

Changes in Appetite<\/h2>\n\n\n\n

You might also notice changes in your appetite. A high-fat diet can help you feel fuller for longer, reducing your overall calorie intake. This can be beneficial for weight loss goals. <\/p>\n\n\n\n

Eating nutrient-dense foods and healthy fats like avocados, nuts, and seeds can keep you satisfied and prevent cravings.<\/p>\n\n\n\n

On keto, you might feel more satisfied and less hungry. High-fat foods are more satiating, so it may take time to find what works best for you.<\/p>\n\n\n\n

Many people find meals easier when they focus on protein and low-carb vegetables. I\u2019ve listed the most keto-friendly vegetables in a simple printable guide<\/a><\/strong> if you want it.<\/p>\n\n\n\n

You May Have to Adjust Your Workouts<\/h2>\n\n\n\n

If you\u2019re used to regular workouts, you might need to adjust them as you transition into ketosis. Your muscles are used to running on glycogen (carbs) for fuel, so take it easy at first. Once you\u2019re fully fat-adapted, you\u2019ll regain your strength.<\/p>\n\n\n\n

Potential Side Effects<\/h2>\n\n\n\n

While there are many benefits of the keto diet, there can also be some side effects. Some people experience digestive issues, such as constipation or diarrhea. It\u2019s important to eat plenty of fiber-rich, low-carb vegetables to help with this. Additionally, some may experience a temporary weight-loss plateau. Adjusting your calorie intake and activity level can help overcome this.<\/p>\n\n\n\n

Common side effects include diarrhea and constipation due to reduced fiber and increased fat intake. Drink plenty of water, eat low-carb vegetables, and consider a high-quality probiotic. Be cautious with magnesium supplements and certain keto-friendly sweeteners like Maltitol. Magnesium Citrate can help with constipation, while Magnesium Bisglycinate can help with diarrhea.<\/p>\n\n\n\n