It usually takes three to four days for your body to go into ketosis because you have to use up your body's stores of glucose, i.e., sugar first, Keatley says. Any major diet change can give you some, uh, issues, and Keatley says he often sees patients who complain of IBS-like symptoms and feeling wiped out at the beginning of the diet. (The tiredness happens because you have less access to carbs, which give you quick energy, he explains.)

I wanted to put it out there that I made this meal plan specifically with women in mind. I took an average of about 150 women and what their macros were. The end result was 1600 calories – broken down into 136g of fat, 74g of protein, and 20g net carbs a day. This is all built around a sedentary lifestyle, like most of us live. If you need to increase or decrease calories, you will need to do that on your own terms.
In contrast, multivitamins aren’t a good solution as they are synthetic and lack a lot of nutrients like polyphenols, antioxidants and fiber that green powders and whole food sources provide. And the lack of fats and enzymes make the nutrients they do contain very difficult to process properly. Just because you’re putting something in your body doesn’t mean your body can use it.

Ketogenic diets are very, very powerful, metabolically speaking and this is especially important if you take any kind of medication for blood pressure, diabetes, cholesterol or triglycerides. The amount taken of these medications will most likely need to be sharply reduced while on a ketogenic diet to avoid negative effects such as excessively low blood sugar or blood pressure.
What about fruits and vegetables? All fruits are rich in carbs, but you can have certain fruits (usually berries) in small portions. Vegetables (also rich in carbs) are restricted to leafy greens (such as kale, Swiss chard, spinach), cauliflower, broccoli, Brussels sprouts, asparagus, bell peppers, onions, garlic, mushrooms, cucumber, celery, and summer squashes. A cup of chopped broccoli has about six carbs.
"Since many of these foods are the primary source of fiber in our diets, many people that start the keto diet will notice constipation as a side effect of eliminating those carbohydrate-rich foods," Fillenworth says. "Fiber is crucial to maintaining consistent bowel movements, helps to keep our GI system healthy, and creates a feeling of fullness when eating." Women should aim for 25 grams of fiber per day to keep things ~regular~.
Lastly, if you're active, you might need to make some adjustments to take that into account. "For the first one to two weeks, temporarily reducing your exercise load can be helpful as your body adjusts to being in ketosis," he says. "Additionally, for those who have an intense workout schedule, carb cycling may be a good option." Carb cycling essentially means you'll increase your carb intake on the days you're doing exercise, ideally just two to three days per week. "While low-carb days may be around 20 to 30 grams of net carbs daily, high-carb days can range all the way up to 100 grams, although it can vary based on your size and activity level," says Dr. Axe. (Related: 8 Things You Need to Know About Exercising on the Keto Diet.) 

A ketogenic diet focuses on minimal plant-based carbs, moderate amounts of clean protein, and high healthy fat consumption – the three keys to achieving nutritional ketosis. In ketosis, you’re essentially converting yourself from a “sugar burner” to a “fat burner.” With 40g or less net carbs per day, you’ll feel satisfied instead of hungry. The lower sugar helps reduce inflammation and fight chronic disease while keeping your insulin levels in tact, too. Great for people suffering from chronic conditions or anyone who wants to feel their best.
Ketosis is a state of physical being and energy utilization when the body is running on ketones instead of glucose. Ketones are a clean fuel the body and brain absolutely loves. Ketones are an alternative fuel for the body that is not sugar or glucose. Running on ketones is like running a car on electricity rather than diesel fuel. Ketones are a cleaner fuel source - an alternative fuel source that gives a person way more energy than glucose. Even professional athletes can outrun and outperform any other athlete on ketosis than carb loading. By lowering your insulin, your sugars and refined carbohydrates, way down there close to zero to 5% of your daily calories or lower, you will burn fat as opposed to glucose for diet purposes or because you want to run on this clean fuel that many people find can help them perform better in all areas of life, mentally and physically. When you’re running on glucose and insulin is spiked, you’re not dipping down into your fat stores for energy. You’re burning up your muscles, not fat. When you’re in ketosis, you’re no longer spiking your blood sugar and you begin running on your own fat for fuel, which is idea for losing weight—the right kind of weight—fat.
What’s going on is your body is trying to adjust to fat burning. So, this is a good thing. What you need to do is concentrate on getting more vitamins in the diet. Now, the one nutrient you need a lot of to keep the fatigue away and to help you in the metabolism is B5. B5 also helps the adrenals and metabolism along, and keeps that fatigue away. Promise!
Here are a few of the most common side effects that I come across when people first start keto. Frequently the issues relate to dehydration or lack of micronutrients (vitamins) in the body. Make sure that you’re drinking enough water (close to a gallon a day) and eating foods with good sources of micronutrients. To read more on micronutrients, click here >
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