Unlock Your Full Potential with RX Fitness FUEL
RX Fitness FUEL is a flexible, dietitian-designed membership to help you build healthy habits, stay consistent, and feel your best.
✓ Simple meal ideas and grocery guides for busy weeks
✓ Monthly themes to help you stay focused (not overwhelmed)
✓ Tools built by real dietitians who understand real life
✓ Supportive community + expert tips in your inbox weekl
✅ Get Your Free Meal Guide Instantly when you join now!
Or text “Insurance” to 469-300-1392 to check if your 1-on-1 visits are fully covered.
MEET THE FOUNDER & CEO
Marley Oldham Carnes
The Dietitian Who CrossFits - helping you fuel your body, crush your goals, and achieve lasting results that make healthy living feel empowering and attainable.
I'm here to help you take the guesswork out of meal planning and create sustainable lasting results while not feeling miserable or left out.
In our RX Fitness Fuel membership we offer simple, sustainable nutrition strategies to help you feel your best—whether it's weight management, boosting energy, or improving mental clarity.
With over 15 years of experience I understand the unique needs of those looking to perform better and the impact nutrition can make on your health and feeling good in your day to day life.
Registered Dietitian Nutritionist: Expert advice and passionate in helping you build healthy habits that fit your lifestyle and keep you motivated.
CrossFit Level 2 Coach and NSCA Strength Coach: Specializing in fueling CrossFit athletes and gym-goers for maximum performance and recovery.
Master's Degree In Nutrition: Guidance backed by that empowering you to feel confident in your health decisions.
Be the best version of yourself, inside and out!
Designed to provide a strong foundation for your health journey, the RX Fitness FUEL Circle offers expert guidance, community support, and valuable resources to help you reach your goals. It’s the perfect starting point for connecting with others and getting motivated.
Here’s what you’ll get with our subscription program:
Monthly Meal Plans Tailored to Your Goals
Receive personalized meal plans that suit your unique needs, fitness goals, and dietary preferences. Each plan is designed to be realistic, sustainable, and effective for long-term success.
On-Demand Trainings by Marley Carnes
Access to on-demand trainings from Marley Carnes, covering everything from fueling for fitness and recovery to understanding the science of nutrition. Learn from a trusted expert who blends evidence-based knowledge with practical, real-life applications.
Exclusive Accountability Community Group
Join our RX Fitness Exclusive Network to connect with like-minded individuals who are on the same journey. Share your wins, ask questions, and get support from others as you stay accountable and motivated.
Ready to get started?
Choose Your RX Fuel Plan
RX PRO
Start Strong. Build Consistency.
Elevate Your Nutrition Journey
Go beyond the basics with expert guidance, structured resources, and a
supportive community — so you can fuel consistently and confidently
✔️ Monthly Meal Plans – For performance & fat loss
✔️ 2x/Month “Fuel Up” Videos – With Marley Carnes, RDN
✔️ Quarterly Live Webinars – Plus replays
✔️ Monthly Group Q&As – Join the community call
✔️ Full Training Library Access – Rewatch past talks
✔️ Exclusive Recipes & Tools – New resources monthly
Build confidence and momentum with a proven plan — without 1-on-1 coaching.
$29/month– cancel anytime
No commitment. Cancel anytime.
RX ELITE
Be Empowered. Be Informed.
High-Touch Coaching & Personalized Nutrition
Want expert support, structure, and accountability — without going full concierge.
The Elite Tier gives you tools and coaching to build
sustainable nutrition habits — without second-guessing every step.
✔️ 30-Minute Onboarding Call – With a Registered Dietitian
✔️ 2x/Month Coaching Sessions – Bi-weekly 1-on-1 follow-ups
✔️ Personalized Meal Plan – Based on your unique goals
✔️ Monthly Fuel Guides & Tools – Actionable workbooks + tips
✔️ Exclusive Discounts – Labs, supplements, and testing
✔️ Progress Dashboard – Track body comp, goals, & symptoms
✔️ Priority Messaging Access – Direct support via app
Get personalized coaching without overthinking every detail.
$149/month – cancel anytime
No commitment. Cancel anytime.
RX TOTAL TRANSFORMATION
Be Supported. Be Focused.
Your 90-Day Personalized Overhaul
Get the most hands-on, results-driven support we offer.
✔️ 60-Minute Deep-Dive Assessment – Full intake, history & strategy
✔️ Weekly Check-Ins – 1-on-1 sessions to stay accountable
✔️ Fully Customized Meal Plan – Built for your exact goals
✔️ Supplement Protocol – Based on labs or symptoms
✔️ Progress Dashboard – Track body comp, goals, & habits
✔️ Priority Chat Access – Direct messaging with your RD
✔️ Results Guarantee – Extra month free if you don’t see progress*
Real strategies. Real accountability. Real results.
$499/month – 3-month commitment
Results Guarantee – Get an extra month free if you don’t see results
The Best Time to Start Was Yesterday. .
The Second Best Time Is . .
TODAY!
Bonus!
Curious if you qualify for
free 1-on-1 sessions covered by insurance?
📲 Text “INSURANCE” to 469-300-1392 for a quote of coverage.
Do you struggle with staying consistent, even when you know what to do?
At RX Fitness Fuel, we believe that true success in health comes from both understanding what your body needs and applying that knowledge consistently. Our memberships provides you with the tools, resources, and support you need to bridge the gap between knowing and doing.
RX Fitness Fuel steps in to ensure you are empowered with both the knowledge and the accountability to reach your goals.
Do you feel like you’ve tried everything but are still not seeing the results you want?
With RX Fitness FUEL, you’ll have a clear roadmap to your goals, whether you want to lose weight, improve athletic performance, or simply feel more energized. You’ll finally see the results you deserve.
Have you ever tried following a generic nutrition plan, only to find it didn’t work for your unique needs?
Upgrade to the PRO or ELITE memberships and unlock live group sessions and one-on-one live chat sessions with a registered dietitian nutritionist.
These plans offer you even more personalized nutrition strategies, custom meal planning, and direct support for more accountability and guidance to meet your goals.
Frequently Asked Questions
What is RX Fitness Fuel?
RX Fitness FUEL is a monthly membership coaching and meal planning program focused on helping you become the best version of yourself inside and out!
Is this a monthly subscription?
RX Fitness FUEL membership and meal plan program is a monthly subscription. That means you’ll get new content and fresh resources each month for as long as you are a member.
How do I access the resources?
Once you join RX Fitness FUEL, you’ll get a login and password to the private members' site. All of the videos, master classes, and handouts and resources are hosted there. Additionally, we have a Meal Planning software program to tailor you recipes and meals as well as an exclusive network where members can interact with each other.
How can I cancel my membership?
RX Fitness FUEL membership and meal planning program is an ongoing monthly program. If you want to cancel your membership, you can do that anytime in your payment preferences or email [email protected] if you need additional support. Keep in mind, you’ll lose access to all of the Master Classes, Resources, Live Sessions, and Exclusive Network.
With the RX Fitness FUEL, you’re stepping into a community where nutrition becomes second nature and your health goals become achievable realities.
If interested in insurance covered sessions text "insurance" to:
469-300-1392
