How to Become a Personal Trainer and Nutritionist

A personal trainer and a nutritionist both help clients achieve their fitness and nutritional goals, improving their health, self-confidence, and overall quality of life. 

Combining both these specializations makes you stand out in a competitive field. This dual role allows you to address both the physical fitness and dietary aspects of clients’ health journeys, leading to better results for your clients and providing an opportunity for entrepreneurship for you.

This article provides a step-by-step approach to how to become a personal trainer and nutritionist, whether you’re making a career change or advancing your existing fitness career.

Personal Trainer vs. Nutritionist: What Do They Do?

To navigate a career in the fitness industry, you need to understand the roles you aim to fill.

Knowing what each profession entails is crucial, whether you want to guide people in their fitness goals or provide essential nutritional guidance.

What Is a Personal Trainer?

Personal trainers are the cornerstone for helping people achieve their fitness goals.

From weight loss to muscle gain, a personal trainer creates effective exercise programs that cater to the unique fitness levels of each client.

  • Personal trainers design individualized training programs to help clients meet their fitness goals. That can mean weight loss, strength training, enhancing athletic performance, or promoting a healthy lifestyle in general. Creating workout routines and demonstrating proper form during exercises like weight training and cardiovascular activities are a significant part of the job.
  • In additon, a personal trainer is also an educator and a motivator. Clients often come to fitness trainers because they need that extra push and accountability to stick to their weight loss or strength training goals. 
  • Qualified personal trainers also have a responsibility for injury prevention. Understanding human anatomy and the mechanics of physical activity allows you to customize training plans for each client, taking into account their fitness levels. As a personal trainer, you cannot diagnose or treat medical conditions. However, many PTs work with clients following physical therapy.

Successful personal trainers specialize in monitoring progress and fine-tuning their training plans, adjusting exercises and routines based on the evolving needs of their clients.

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What Is a Nutritionist?

Where personal trainers focus mainly on physical activity and proper training techniques, nutritionists bring another essential layer to a client’s health and wellness journey: dietary habits.

how to become a nutritionist

Nutrition and exercise go hand in hand, regardless of fitness goals. Nutritionists complement the work of personal trainers, helping people live healthier lives by communicating healthy eating messages.

  • People come to nutritionists for a variety of needs. It could be weight management or identifying unhealthy eating patterns. Nutritionists analyze the eating behaviors of their clients to offer customized nutrition advice aimed at health improvement and weight management. 
  • Nutritionists educate clients about the importance of a balanced diet for performance and body composition, as well as mental health and overall well-being. This often includes discussing the roles of macro and micronutrients and how a healthy diet affects physical and mental health.
  • A client’s eating habits often need more than a simple fix: they require behavior modification. A nutritionist can help identify unhealthy patterns, suggest healthier alternatives, and provide the necessary accountability to stick with a new, healthier lifestyle.

Prescribing diets or meal plans to treat medical conditions or giving nutrition advice to clients with special dietary needs is beyond the scope of a nutritionist. Only registered dietitians can provide that kind of specialized nutritional advice.

Personal trainers and nutritionists are essential fitness professionals who help clients reach their health and wellness goals.

Combining the roles of both professions enables you to provide a comprehensive service that positively affects a client’s health and quality of life and makes you a standout professional in the fitness industry.

Educational Pathways

Education is key to becoming qualified and credible in any profession, including the fitness industry. 

That being said, neither personal trainer nor nutritionist are legally protected titles. Anyone can call themselves a personal trainer or nutritionist and start providing exercise and diet guidance to clients without a college degree or higher education.

However, finding clients if you don’t have any education or experience will be a challenge. The exception might be if you have a background as a successful athlete, but otherwise, why would clients look for someone without education, experience, recommendations, or achievements that suggest they are a great trainer?

A high school diploma is usually the minimum requirement, but to excel, offer comprehensive services, and, last but not least, get hired, a more specialized education is generally necessary.

Personal Training Certifications

Before you start guiding clients through their workout routines, getting certified is the best course of action.

While you technically don’t need to be certified to call yourself a personal trainer, it will be a tremendous help when looking to make it your profession.

In practice, personal trainer certification programs are essential in setting the foundation for a successful career.

Choose a Reputable Organization

With numerous certifying agencies available, it’s vital to pick one respected in the field that offers NCCA-accredited exams, considered the gold standard in the industry.

These are just a handful examples of good options for getting your personal training diploma.

Studying for the Exam

Many personal training certification programs offer an online course that allows you to study at your own pace, providing textbooks covering human anatomy, exercise physiology, and program design.

These resources help you prepare for your personal training certification exam, which usually consists of up to 150 questions and tests your knowledge in several areas, like exercise techniques, safety issues, client assessment and consultation, and program planning.

Pass your certification exams, and congratulations: you’re a certified personal trainer.

Hands-On Experience

Practical work experience is invaluable for aspiring personal trainers. Many study programs require or recommend CPR and AED certification. Several organizations include CPR certification in the personal training certification or allow you to purchase it for an additional fee.

Participating in an internship at a fitness center can also be beneficial to get hands-on experience. Doing so enhances your resume and gives you a better understanding of how to interact with clients of varying fitness levels.

Nutritionist Education

If you’re planning to offer nutritional guidance, education is equally crucial. Depending on where you live, providing individualized nutrition counseling without a license might even be illegal.

  • Red: Individualized nutrition counseling is illegal without a license. The only way to get one is to become a registered dietitian.
  • Yellow: Individualised nutrition counseling is illegal without a license. However, Certified Nutrition Specialists and certain other advanced nutritionists can get a license, not only registered dietitians.
  • Green: Anyone can give individualized nutrition counseling except for treating medical conditions.

Source: The American Nutrition Association

The exact requirements and titles can differ significantly from one country or region to another. In most US states, anyone can call themselves a nutritionist and practice as such, even if you are entirely self-taught.

Degrees and Certifications

When looking to become a personal trainer and nutritionist, you’re likely not considering an advanced degree like a Certified Nutrition Specialist or Registered Dietitian. Those are advanced degrees that allow you to give nutritional therapy and even manage and prevent disease, usually beyond the scope of the personal training profession.

An advanced degree can open up more career opportunities and make you more appealing to potential clients. However, it is more of a separate career than something suitable as complementary to personal training.

The best option for most personal trainers is to become a certified nutritionist or a certified nutrition coach. While you can’t prescribe personalized meal plans or address medical conditions through nutrition, you can offer general nutrition advice and meal plans through guidelines and suggestions.

Many organizations that offer personal trainer certification programs also provide a matching nutrition certification.

Investing time in your education sets the stage for your success as a personal trainer and nutritionist. It helps you prepare for real-world scenarios and enhances your credibility, making you more marketable to potential clients looking for a comprehensive approach to health and fitness.

Combining Both Disciplines

Combining your personal trainer and nutritionist skills makes you a valuable fitness industry asset for both potential employers and clients.

The ability to offer physical training and nutritional guidance provides a one-stop-shop experience for clients, appealing to those who prefer a comprehensive service.

Benefits of Becoming A Personal Trainer and Nutritionist

When you can guide your clients through both their gym workouts and offer nutrition guidance, they get better results, and you become more marketable.

Better Results

A client who only focuses on exercise may overlook the importance of a balanced diet and vice versa. You ensure that their training and nutritional regimens are harmonious by offering services in both areas.

  • Suppose a client comes to you with a focus on improving athletic performance. In that case, your expertise can guide them in adopting both an optimal training program and a performance-enhancing diet.
  • Likewise, when you meet a new client aiming for weight loss, you can outline a personal training program and design a complementary nutrition plan: a calorie-deficit diet and a training program with the right balance of strength training and cardio.


With the increasing number of people looking to adopt a healthy lifestyle, dual qualifications make you more attractive to a broader client base.

It can be especially appealing to new clients seeking a comprehensive approach to meet their fitness goals. The advantage of being a one-stop shop cannot be overstated in a competitive marketplace. Your clients don’t have to spend money twice, and you can charge more for your services: a win-win solution.

Balancing Your Roles

Taking on dual roles requires some skillful time management and well-planned program design. Deciding how much time to allocate for physical training sessions as opposed to nutritional counseling is crucial.

A well-structured schedule helps you manage time effectively while meeting the individual needs of your clients.

If you offer online services, you have a significant advantage. On the gym floor, you’re limited by time. You can only take on one client at a time, and your day only has so many working hours. Taking your PT business online gives you the freedom and flexibility to schedule training sessions and still have time to provide nutritional guidance for your clients.

personal training programming: strengthlog coach
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The client’s level of experience and fitness goals should guide the complexity of both the dietary plans and workout routines you prescribe.

Both personal trainers and nutritionists can make a significant impact on people’s health. Combining both roles makes you more attractive to clients looking for that impact. While each discipline requires its own set of skills, education, and time spent, the effort pays off in terms of the value you can provide and the subsequent opportunities for your career.

Building a Successful Career as a Personal Trainer and Nutritionist

Once you have the proper training, certification, and perhaps even a bachelor’s degree in exercise science, the next step is to build a successful career.

Whether you work for a fitness center or decide to launch your own business, the principles for success are relatively similar.

Here’s how to stand out as a successful personal trainer and nutritionist.

Building a Client Base

Your clients are the lifeblood of your career. Without them, you won’t be able to use your skills and education.

Utilize social media platforms, community events, and partnerships with local businesses to meet potential clients. Offering free workshops or seminars can be one of the best ways to showcase your skills and attract a loyal client base.

Initially, you may be tempted to take on as many clients as possible. However, focusing on providing the best possible service to fewer clients can result in better reviews, testimonials, and, ultimately, more referrals.

With certifications in both personal training and nutrition, you can offer packages that include both services. This adds value to your clients and diversifies your income streams.

Building Your Brand

Personal branding is a necessity in a competitive landscape like the fitness industry.

A strong brand can open doors to new clients and career opportunities when competing with countless other qualified trainers and nutritionists. A compelling brand attests to your experience and qualifications and entices new clients to your services.

A professionally designed website is almost as vital as your certifications, especially if you offer online personal training services and nutrition guidance.

Your website should serve as a portfolio, showcasing your qualifications, specializations, and testimonials from satisfied clients. You can highlight your training programs and nutritional guidance services, offering potential clients a glimpse into your level of experience and what they can expect when working with you.

Social media platforms offer an additional avenue to engage with a broader audience. Sharing posts that feature workout routines, nutrition tips, and the latest trends in exercise science can substantiate your expertise.

Effective branding is not a one-time effort but an ongoing process that evolves with your career and the industry. Qualifications as both a personal trainer and a nutritionist help bring more eyes to your brand.


Networking is another crucial element in gaining practical experience. Industry organizations and certification programs often provide networking events or career opportunities that can be particularly beneficial.

These networks can be a goldmine of information, introducing you to potential clients who could become the cornerstone of your own business one day.

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Continuous Learning

The fitness industry is ever-changing, and staying updated is crucial for long-term success.

  • Many certifying agencies require periodic recertification, and some even offer recertification vouchers. Additionally, you should consider enrolling in continuing education courses to stay updated on the latest trends in fitness and nutrition.
  • Consider gaining specialized knowledge in areas like mental health, injury prevention, or sports-specific training. Learning more about nutrition science or acquiring a more in-depth understanding of how the human body works makes you more versatile and able to handle a broader range of client needs.
  • As you gain years of experience, you’ll find that the needs and preferences of your client base may change. Flexibility and willingness to adapt your training programs and nutritional guidance are critical to long-term success.

The health and wellness field is crowded with competent players. A solid educational background, a diverse skill set, and an adaptable approach sets you apart. A commitment to both personal growth and the well-being of your clients can help you build a rewarding, long-lasting career.

Career Prospects and Earnings for a Personal Trainer and Nutritionist

Your career prospects and earnings as a personal trainer and nutritionist can be incredibly varied and rewarding.

The scope of opportunities depends on your level of experience. For new personal trainers and those early in their careers, working at a well-known fitness center can provide a stable income and a chance to build a client base.

personal trainer career

As you gather more years of experience, the door opens to various career opportunities. For instance, you could transition into specialized roles such as a group exercise instructor or even delve into the therapeutic realm of physical therapy.

Earnings in this field are also influenced by continued education and specialization.

While initial earnings might vary, the growth potential is substantial, especially if you decide to start your own business as an independent contractor. Not only do you get to set your rates, but you also have the flexibility to diversify your services.

This could range from providing specialized athletic performance training plans to offering comprehensive nutritional guidance, thereby boosting your income significantly.

Another avenue for career advancement lies in the corporate sector, where the growing emphasis on employee well-being offers roles in corporate wellness programs. Such a position often comes with a more predictable income and benefits, contrasting the more entrepreneurial route of independent contracting.

As of July 2023, the average personal trainer salary is $66,257.1

The average nutritionist’s salary is similar at $68,600.2

However, since “nutritionist” can mean many things, the salary can also vary depending on education and certifications. For example, a registered dietitian with years of study and a degree from an accredited dietetics program will likely make significantly more than someone with a nutrition coach certification after 80 hours of study.

Final Words

Whether you’re an independent contractor looking to start your own business or working at a health club or fitness center, combining the roles of a personal trainer and nutritionist can offer a fulfilling and lucrative new career.

Dual professional roles require hard work, proper training, and a passion for helping others achieve a balanced, healthy life. But the effort pays off when you stand out as the go-to option for your clients’ training and nutrition needs.

With this blueprint for becoming a successful personal trainer and nutritionist, you know the best ways to approach this dual career. The next step is yours to take.

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Further Reading

If you enjoyed this article, check out these great resources for personal trainers:


  1. Personal Trainer Salary in the United States
  2. Nutritionist Salary in the United States
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Andreas Abelsson

Andreas is a certified nutrition coach with over three decades of training experience. He has followed and reported on the research fields of exercise, nutrition, and health for almost as long and is a specialist in metabolic health and nutrition coaching for athletes. Read more about Andreas and StrengthLog by clicking here.