It’s not just about the weight. It’s about how you feel, how you lead, and how fully you show up in your life.
At weight-life balance, I help high-achieving professionals feel good in their skin again—creating a ripple effect in every part of life. Through tailored nutrition, energy alignment, and mindset coaching, we go deeper—because real change starts from within.
4.9 out of 5 stars from 47 reviews
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About Us
Meet Marlies Hazelaar – Your Coach in Clarity, Energy, and Sustainable Change
I’m Marlies—certified nutritionist, life and self-leadership coach, and founder of weight-life balance. I support high-performing professionals in reclaiming their energy, confidence, and health—without extreme diets or burnout.
I know what it’s like to feel stuck and unsure where to begin. For years, I juggled an international career with frequent travel, raising a young family, and trying to stay healthy and feel good in my body. I was constantly holding it all together on the outside while feeling drained on the inside.
Through my own transformation, I discovered that real change isn’t about pushing harder—it’s about making aligned, sustainable shifts that reconnect you to your own power and vitality.
Today, I blend evidence-based nutrition, practical energy work, and compassionate coaching to help you simplify the noise, listen to your body, and feel like yourself again.
Who We Serve
Helping Driven Professionals Feel and Perform at Their Best
We support high-achieving professionals who are ready to take back control of their health—without sacrificing their success. If you’re done with energy crashes, fad diets, and feeling out of sync with yourself, you’re in the right place.
Personalized Coaching
Support that meets you where you are. No rigid rules, but practical guidance and a repeatable system that fits your busy professional life.
Simple Meal Planning
Wholesome, quick meal ideas that nourish your body and free up your mind—perfect for full schedules and fast-moving days.
Habits That Stick
Learn how to build energy-boosting routines that feel natural, not forced. No fads, no extremes but integration for lasting balance and flow.
Performance & Impact
Proven System for Real Results
Holistic Wellness Approach
Sustainable Energy, Clarity & Vitality
Own your food choices
Confidence & Lasting Change
Problem vs. Solution
From Drained to Reclaimed: Your Turnaround Starts Here
Exhausted & Running on Empty?
Constant fatigue, low energy, and no time to recharge?
Overwhelmed by Stress?
Feeling overwhelmed, anxious and out of control? Do you find your own wellbeing slipping to the bottom of the list?
Stuck in a Food & Fitness Rut?
Skipping meals, unhealthy eating, or no consistent routine?
Programs Overview
Personalized Support for Real-Life Results
Our approach blends science-backed nutrition, self-leadership coaching, and energy alignment to help you feel like yourself again—calm, clear, confident and in control.Whether you’re just getting started or ready to go deeper, we’ve got you covered:
Nutrition & Wellbeing Coaching
Practical, personalized strategies for nourishing your body, managing stress, and supporting your lifestyle. No one-size-fits-all plans—just real guidance and a proven system that fits your goals, energy, and schedule.
Nutrition Group Coaching: You’re Not Alone
Join a supportive circle of like-minded professionals. Gain momentum through community, shared insights, and expert coaching—because transformation happens faster together.
Life Coaching
Create space for the life you really want—balanced, purposeful, and aligned. Go beyond quick fixes to lasting shifts in how you show up, lead, and care for yourself.
Workshops & Retreats
Transformative experiences designed to shift your energy and deepen your self-trust and leadership.
Unique Value Proposition
Why Work With Marlies?
Marlies understands the constant juggle -balancing a demanding career, frequent travel, and family life while trying to feel good in her body. She’s lived the cycle of being stuck, drained, and unsure where to start. It was through a deep personal shift—focusing on nutrition and reclaiming her energy—that Marlies transformed not just her body, but her life. That breakthrough became her mission. Today, as a certified nutritionist and life coach with a background in international business, she blends empathy and science to help high-performing professionals restore their health, confidence, and vitality-without diets, guilt, or burnout.
Truly Personalized Support
No cookie-cutter plans here. Your journey is tailored to your unique lifestyle, goals, and challenges.
Science-Based Approach
We integrate nutrition, stress management, mindset, and lifestyle—all grounded in proven science.
Built for Busy Lives
Short on time? No problem. Our programs are designed for professionals with demanding schedules.
Compassionate Accountability
Experience real support without judgment. We focus on progress, not perfection.
Expert Guidance You Can Trust
Led by a certified nutritionist and coach with 15+ years of experience, a proven system and real-world results.
Sustainable, Real-Life Results
We help you create healthy habits that last—without burnout, restriction, or overwhelm.
About Marlies
Meet Your Coach: Marlies Hazelaar
Marlies is a certified nutritionist and life coach, passionate about helping professionals achieve sustainable weight loss, better health, renewed energy and vitality. With a background in international business and personal transformation, she blends empathy with science to help clients break free from diet culture and live their best lives.
Our Process
Your Pathway to Wellbeing
We Get to Know You
We listen to your goals, lifestyle, and challenges.
Build Your Plan
Together, we create a plan that fits your life—no extremes.
Ongoing Support
You get coaching, tools, and motivation every step of the way.
Long-Term Success
We help you build healthy habits that stick—for good.
Client Success Stories
Real People. Real Transformations.
Before/after stories, testimonials, short video clips, and quotes—highlighting the personal and professional wins clients have achieved with Marlies’ support.
FAQs
Got questions? You’re not alone. Here are some of the most common things people ask before getting started.
What’s the difference between 1:1 and group coaching?
1:1 coaching is tailored specifically to you and your needs, while group coaching offers shared learning and peer accountability in a supportive community.
What if I have a crazy schedule?
That’s exactly who we help. All programs are designed to fit into demanding, irregular routines.
Do I need to follow a strict meal plan?
Yes and No. metabolic balance is all about bringing your system back in balance. that requires commitment and works best when you follow the personalized plan for at least two weeks. Furthermore We focus on sustainable, enjoyable eating patterns—no rigid meal plans, no meal replacements no injections pills or powders.
What kind of results can I expect?
Clients typically experience more energy, weight loss, reduced stress, and improved confidence within the first 6–12 weeks.
How do I get started?
Just book a free consultation. We’ll explore your goals and determine the best fit for you.
What makes this approach different?
We combine certified nutrition, science-backed methods, and professional coaching to create personalized, lasting change—not quick fixes.
Still have questions?
Save time and
book a call with us.
Have a glance at the calendar and select a good time for you.
What’s Your Story? Let’s Talk
You’ve read mine. Now I want to hear yours. Whether you’re looking for sustainable weight loss, a boost in energy, or a total life reset—I’m here to guide you every step of the way.
