Heal Your Body. Awaken Your spirit. Transform Your life.
Back then, I believed what I had been taught — that to be strong, you must eat animals, that protein comes only from flesh, that the nutrition pyramid was truth, and that the experts knew what health really was. But it was all a lie. My deeper awakening came not from competition, but from intuition, pain, and truth. I realized everything we were taught about food, health, and human vitality was based on profit, not well-being. I learned that eating animals does not make us strong — it makes us disconnected. It pulls us away from compassion, intuition, and the frequency of life.
Animals suffer deeply before they end up on a plate, and because we are energetic beings, absorbing pain, fear, and trauma lowers our frequency — and lowers our health. We were told to measure calories, macros, and protein grams, but nobody told us the truth: food is frequency, food is vibration, food is energy. Dead flesh vibrates at the frequency of suffering, while plants vibrate at the frequency of life.
To heal yourself physically, emotionally, and spiritually, you must feed your body living food, not dead matter. Plants, fruits, herbs, and natural nourishment carry sunlight, water memory, and life force — exactly what the human body was designed for. Not because it’s trendy or popular, but because it is truth.
My mission in this lifetime is simple: to help people return to real health, awaken their intuition, reconnect with compassion, and build strong, vibrant bodies without harming other beings. I teach holistic nutrition, high-vibrational plant-based eating, functional fitness and muscle building, intuitive healing, energetic awareness, spiritual alignment, and how to listen to your body’s intelligence.
Real health is not only about lifting weights — it’s about lifting your frequency. It’s about loving your pets, your dogs and cats, and realizing that all animals deserve that love, not just the ones in your home. It’s about remembering that your body is not built from protein charts, but from energy, light, emotion, and truth.
I am here to guide those who feel the calling — those who are ready to heal, who are waking up, and who know there is a better way to live, to eat, to move, and to exist. This is not about dieting or macros. This is about returning to the truth of who we are: vibrational, intuitive, compassionate beings capable of extraordinary healing. If you’re ready to transform your body and awaken your spirit, I’m here to walk with you.

My Services
You can have RESULTS or EXCUSES not Both!
Published in “Simply The Best “ magazine.
Personal Training (All Ages)
I offer individualized one-on-one training for every age and fitness level. Each session is tailored to your needs, focusing on strength, alignment, mobility, posture, and nervous-system balance. My goal is to help your body feel strong, healthy, and pain-free.
Rehabilitation & Recovery
Specialized support for clients healing from injuries or surgeries, including:
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Hip replacement
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Joint surgeries
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Muscular imbalance
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Chronic pain
I help restore movement, rebuild strength, and support a faster, safer recovery.
Plant-Based & Vegan Nutrition
I design natural nutrition plans focused on:
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Cellular regeneration
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Detoxification
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Hormonal balance
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Anti-inflammatory living
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Weight loss or recomposition
No supplements, no diets — just whole, fresh, real food designed for your healing.
Holistic Nutrition Counseling
For those who want to transition into a healthier lifestyle.
This includes:
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Daily food structure
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Simple meal plans
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Grocery guidance
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Support for emotional eating
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Education on natural healing through food
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Pet Nutrition & Natural Health Guidance
I also help pet owners create fresh, homemade food plans for their dogs and cats to support:
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Longevity
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Immunity
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Dental health
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Allergy reduction
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Reduced need for medications
Including gentle homeopathic guidance for common pet issues.
I don’t just help people — I also support the health of their pets.
If you’re a dog or cat owner, I can help you design a personalized, natural nutrition plan for your animal, using fresh, species-appropriate food, herbs, and gentle homeopathic support.
Animals thrive when we feed them real, whole food and care for them with natural remedies that support their body’s intelligence. My approach focuses on prevention, vitality, and strengthening the immune system through nutrition and lifestyle — not unnecessary chemicals or over-medicating.
If you want your pet to live longer, healthier, and more naturally — I’m here to guide you with the same holistic principles I use for humans: nourishment, balance, intuition, and pure, living food.
#1 Rated Personal Training
in South Florida
Petra Mertl, the founder of Body By Petra LLC, takes her pride in providing the best personal training services which include life coaching, nutrition guidance, and mentoring.
With degree in psychology and as a Tony Robbins certified RMT coach and with her 20 years of experience as a personal trainer, nutritionist, coach and mentor, Petra’s goal is to provide all inclusive personal training professional services to help everyone accomplish their fitness and health goals to live happy and healthy.

TESTIMONIALS





Oh my goodness I can’t thank you enough...u truly have not only changed my body but how I eat feel about myself and my confidence..Petra u were my angel when I needed one so bad ...thank you thank you 🙏🏻...I lost some weight and gained an amazing friend 🤗....few more lbs to go but I could have never done this w out 🥰
Summer
Alexandra
Leighton Wella, the army veteran
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We will customize your workout and diet program based on your goal, health and lifestyle help you to achieve your wellness and health.



