How many Calories Should I eat While taking Phentermine? What Foods To Eat?

  • By: jacob foxx
  • Date: April 6, 2023
How many Calories Should I eat While taking Phentermine?

Effective weight loss with phentermine hinges on a recommended daily calorie intake of 1400–1600 calories.

But the exact number of calories can change based on your age, BMI, gender, level of physical activity, and any health problems you may have.

To make the most of your weight loss journey, it’s important to choose your meals wisely while dieting on phentermine.

Keep in mind that this calorie deficit is sufficient to yield the desired results. Though certain foods make weight loss difficult, it’s possible to swap them out with healthy substitutes.

It’s essential to stay committed and make mindful eating choices to achieve your weight loss goals.

How much food should you consume while taking phentermine?

Calculating your BMI is an important step in understanding how many calories you should consume each day.

Utilizing online BMI and calorie calculators can make this process even easier. But it’s important to create a calorie deficit that is right for your fitness goals and doesn’t go too far.

For women, it’s advised to not eat below 1200 calories, while men should strive to not consume less than 1500 calories per day.

Safe weight loss should be limited to 1-2 pounds per week, achieved through consuming 1400–1600 calories per day.

Keeping these guidelines in mind will lead to a healthier approach to weight loss and overall well-being.

When it comes to managing weight loss with the help of Phentermine, consulting with your doctor is a must for the best results.

They can guide you on the appropriate dosage, potential side effects, and how to take it properly as part of your diet therapy.

Another important factor in reaching your weight loss goals is maintaining a calorie deficit that suits your body’s needs.

Checking your calorie allowance every so often can help you stay on track and make the right changes to your diet plan.

However, cutting too many calories too quickly can be harmful to your body, and skipping meals should be avoided as much as possible.

Instead, replacing unhealthy food choices with nutritious alternatives can help boost your metabolism and keep you fueled throughout the day.

What should you eat when on phentermine to lose weight?

When dieting, it is best to consume meals that promote metabolism while taking phentermine to get a maximum fat reduction.

To increase fat burning with phentermine, you should do the following:

Drink More Water

Drinking more water is a simple yet effective step toward weight loss. Studies have shown that drinking water before meals can help you eat fewer calories overall, which makes it easier to lose weight.

Additionally, when taking phentermine to aid in weight loss, staying hydrated is crucial. By drinking more water, the thermogenic effects of the body are increased, allowing for greater water loss of up to 30%.

Protein should be prioritized

As a crucial macronutrient, protein should be highly prioritized in a healthy diet. Not only does it aid in weight loss and maintenance, but it also helps individuals stay healthy and strong without becoming weakened or sick.

Muscles naturally lose small amounts of protein every day, so it’s important to eat a lot of protein to make up for this.

Adding protein to your diet can also help you gain lean muscle mass, which makes it easier to burn fat when you work out.

When combined with phentermine and physical activity, protein offers the best results. Getting enough protein is important for good health and wellness, whether it comes from chicken, red meat, lentils, dairy products, nuts, or seeds.

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Increase the amount of fiber in your diet

Fiber is a crucial part of a healthy diet. Although it may not get broken down during digestion, it plays a vital role in making a person feel sated with fewer calories.

Fortunately, there are plenty of natural sources of fiber, such as fruits, vegetables, grains, and seeds.

Additionally, enhancing the pH level of your urine can help increase the efficiency of phentermine when it is excreted through alkaline urine instead of acidic urine.

Incorporating these fiber-rich foods into your meals and snacks will not only benefit your digestive system, but it will also help you maintain a healthy weight and overall wellness.

Foods to avoid while taking phentermine

When using phentermine therapy to aid in weight loss, it is important to understand which foods can hinder your progress.

Processed foods, for example, should be avoided due to their high sugar and preservative content, empty calories, and use of acidic ingredients.

Intentionally steering clear of these types of foods can be a key factor in the success of your weight loss journey.

Empty calories

Simple carbohydrates, which are found in foods and drinks like cakes, sweets, pasta, soda, and alcohol, are often thought of as empty calories.

People who eat a lot of empty calories can gain a lot of fat without getting any nutrition in return.

People who want to lose weight already have a hard time cutting their calorie intake, and adding empty calories to the mix can make the process even harder.

Even anorectic drugs may prove less effective in such scenarios.

Alcohol is another source of empty calories, and it can slow down your metabolism by making your body more acidic and making androgens more active.

Foods that are acidic

Maintaining a balanced pH level within the body is essential for optimal health. Unfortunately, consuming foods that are high in acidity can disrupt this delicate balance.

It turns out that this can have a profound impact on the way our bodies process medications such as phentermine.

According to studies, the pH level can have a significant impact on the rate at which phentermine leaves the body.

In fact, in acidic conditions, the excretion rate can increase by up to 84%. This is something to keep in mind when consuming acidic foods like coffee, soda, and sweetened products!

Food with added sugar

Food products that are laden with added sugar are one of the leading culprits behind weight gain.

This is because sugar typically contains simple carbohydrates that can contribute to an increase in body fat.

What’s more, unlike whole foods that are rich in fiber and nutrients, sugary foods offer little to no nutritional value, almost like empty calories.

They also hold no filling properties, which leads to overeating and an unhealthy accumulation of fat. It’s, therefore, crucial to limit sugar intake to avoid adding an unwholesome calorific load to your daily diet.


Is phentermine calorie-free?

No, phentermine is not calorie-free. Phentermine is a drug that works on the central nervous system to make you feel more energetic and less hungry.

While it does not contain any calories itself, taking it may encourage users to eat less and change their dietary habits, which can lead to weight loss.

But since phentermine should only be taken under a doctor’s supervision, people should also eat right and exercise to get the most health benefits.

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Is it true that phentermine causes you to burn more calories?

Phentermine is a medication that can help with weight loss, but it does not directly cause you to burn more calories.

It works by increasing your metabolism and energy levels, which can lead to an energy deficit and potential weight loss.

Phentermine can also make you feel full, so you might eat less and take in fewer calories overall.

Additionally, engaging in physical activity a few times a week can help speed up your heart rate and enhance your metabolism even further.

How long should you wait after taking phentermine before eating?

After taking phentermine, you should wait 30 minutes to an hour before eating.

What should you eat for breakfast while on phentermine?

When taking phentermine, it’s important to maintain a healthy and fulfilling breakfast. By incorporating foods such as yogurt, fruits, oats, beans, and eggs into your morning meal, you can start your day on the right foot.

For those looking to mix things up, fruit salads and smoothies, as well as egg dishes such as omelets and poached eggs, are great options.

In addition, using black pepper or other spices of your choice can add an all-natural kick to your meal.

And for those looking to add some vegetables to their breakfast, try enhancing your eggs with some of your favorites and frying them in a teaspoon of butter.

Just remember to complement your cereals with skimmed milk and fresh fruits to ensure a nutritious and satisfying breakfast.


Dieting can be hard, especially for people who have a hard time controlling their hunger. Using appetite suppressants like phentermine can assist in managing food intake.

However, it is important to remember that limiting food consumption can be unproductive if not done appropriately.

To determine the ideal daily calorie intake, consulting with a physician is crucial. Typically, a daily calorie limit will stay between 1400 and 1600 kcal per day for weight loss.

But it’s not just about the number of calories; it’s about the quality of calories we consume.

Choosing to eat healthy calories instead of empty calories is the key to losing weight and keeping your body in good shape.

I'm Jacob Foxx, a proud native of the outskirts of Chicago, Illinois. I was enamored with the expansive Star Trek universe and its promise of cutting-edge technology and space travel from a young age. This early fascination with science fiction sparked my imagination and laid the foundation for my writing career. Alongside my love for the cosmos, I developed a passion for fitness in my formative years.

This dual interest in the world of tomorrow and the pursuit of physical health has greatly informed my writing, allowing me to explore themes of human potential and the future of our species. As an author, I strive to blend these passions into compelling narratives that inspire readers to dream and to push their own boundaries.

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