You don’t lack discipline.
When progress slows, you don’t quit. You tighten your nutrition. You add conditioning. You increase intensity. You “lock in.”
And yet… the scale stalls. Definition doesn’t improve. The effort keeps increasing — but the results don’t. That’s the frustrating part.
There’s nothing worse than knowing you work harder than most people… and still feeling like your body doesn’t reflect it.
You don’t just want to weigh less. You want to look like you lift. Lean. Defined. Strong. And when that doesn’t happen? You start questioning everything. Is it your metabolism? Your hormones? Your age? Your willpower? Or worse… you start thinking maybe this is just how your body is.
I've Been There
I loved training. I pushed hard in the gym. But I would slash calories, clean everything up, try to out-exercise my diet… and eventually end up overly restricted, mentally exhausted, standing in the kitchen late at night thinking:
“Why can’t I just get this right?”
That cycle isn’t a discipline problem. It’s a strategy problem.
The Real Problem Isn’t Your Effort.
It’s That You’re Staying In The Wrong Phase.
Fat loss is not meant to be one long grind. But most hard-working women treat it that way. Deficit. Deficit. Deficit. More deficit.
And when that stops working? Cut harder.
But your body adapts. Stay in a deficit too long and:
- Recovery declines
- Strength flattens
- Muscle becomes harder to maintain
- Daily energy output quietly decreases
- Hunger signals increase
- Fat loss slows
So you respond with more effort. Which is exactly what keeps you stuck. You were never taught how to rotate phases.
What Happens If Nothing Changes?
A year from now you’ll still be:
- Working harder.
- Eating less than you should.
- Trying to out-train your diet.
- Feeling frustrated that your body doesn’t reflect your effort.
You’ll either burn out… or regain not only the same weight you’ve been fighting for years, but more. And the worst part? You’ll start questioning yourself. “Why does this feel harder than it should?” “Why isn’t my body responding?”
You don’t need more discipline. You need structure.
The Metabolic Shred Is That Structure
Over the last several years, I’ve worked with over 10,000 women who train hard but feel stuck when it comes to nutrition.
With the help of registered dietitians on my team, we built The Metabolic Shred to solve the exact mistake most driven women make: They try to outwork their diet.
But the simple fact is – you can’t. And as you get older, trying to do more and eat less sabotages you more and more.
Those detoxes? Starvation diets? Fat burners? They’re only going to make lasting results harder.
The Metabolic Shred isn’t a trend-based plan. It’s structured nutrition periodization. A system built to work the way training works. Because body recomposition…losing fat while retaining or building lean muscle…requires precision. Not punishment.
Inside you learn exactly how to rotate between:
Phase 1: The Lifestyle Build
Where most sustainable fat loss happens. Small calorie deficit. High protein. A focus on balance with the foods you love. This protects your metabolic rate while slowly reducing fat. This is where you see how you can include the foods you love while seeing lasting results. No burnout. No digging a deeper hole. Metabolic health and muscle.
Phase 2: The Mini Cut
A short, strategic “sprint” tightening phase. Higher precision. Higher protein. Temporary intensity. Clear exit strategy. Used intentionally to:
- Break plateaus
- Create momentum
- Tighten up quickly
It’s a tool not a lifestyle.
Phase 3: The Diet Break
The phase most women avoid and the reason most stalls happen. Instead of cutting deeper when progress slows, you increase calories strategically. You restore:
- Training performance
- Glycogen levels
- Recovery capacity
- Daily energy output
This is where you see your metabolism rev up and muscle gains really happen. Then you re-enter a deficit from a stronger position. That’s how you prevent the regain cycle.
Why This Works
(And Why Most Diets Don’t)
Most diets teach you how to cut. But then what!?
You can’t stay in a deficit forever. And going back to your old habits? That will only backfire.
But most diets don’t care. You regain the weight? They can sell you something to lose it again.
As I told my clients at the gym, I don’t want you working with me because you’re dependent on me. I want you working with me to get the mentorship you need so you refer new people that need help 😉
Most diets don’t operate that way… They don’t teach you:
- When to stop cutting
- How to transition to maintenance
- How to protect muscle
- How to prevent metabolic adaptation
- How to maintain without regaining
When calories are cut aggressively for too long:
- Muscle loss increases
- NEAT (daily movement) decreases
- Training performance drops
- Hormonal stress rises
That’s when fat loss slows even if calories are lower.
Preserving lean muscle is one of the most important factors in maintaining metabolic rate. That’s why protein is structured intentionally inside this program. That’s why mini cuts are short. That’s why diet breaks are strategic. That’s why phases rotate. Because sustainable fat loss isn’t about eating less forever. It’s about applying pressure at the right time…and releasing it at the right time.
The Metabolic Shred teaches the full cycle: Build. Cut. Restore. Maintain. Repeat.
That’s why this can be the last diet you ever need. Because you finally understand the process.
But Life Doesn’t Stay Perfect.
Stress increases. Travel happens. Sleep suffers. Work ramps up. Training volume changes.
And when tracking starts to feel overwhelming… most women go all-or-nothing. They stop tracking completely. They feel off plan. They spiral. They start over.
That’s not discipline failing. That’s rigidity failing.
Inside The Metabolic Shred, It’s Not “On Or Off.”
It’s adjustable. You don’t just get phases. You get three ways to execute them…so when life shifts, you adapt instead of quit.
Macro Cycling
For structured, focused seasons when precision matters most.
Minimalist Macros
Simplified calorie + protein focus for busy phases when you want results without overwhelm.
Plate & Hand Portions
Visual guidance for travel, maintenance, or high-stress periods when tracking every gram feels like too much.
Same framework. Same strategy. Different intensity. When life throws a curveball, you don’t abandon the plan. You shift methods. That’s control.
Imagine What Changes When…
✅ You no longer panic when the scale stalls.
✅ You know exactly what phase you’re in.
✅ You adjust calmly instead of cutting harder.
✅ You stop starting over every Monday.
✅ You stop wondering if something is wrong with you.
✅ You trust the process…because you finally understand it.
✅Meal Builder Templates
✅ Getting Started Workbook so you know exactly where to begin
That’s what this program gives you. Not hype. Not extreme restriction. Control. If you train hard… Your nutrition strategy should be just as smart.
The Metabolic Shred Includes:
The complete macros 101
Clear 6-9 week macro cycles so you can match YOUR needs even as they change over time
Structured mini cut protocols with exit strategy
Diet break implementation
3 macro methods for different life seasons
Dietitian-created education for long-term metabolic health
Body recomposition strategy (not just scale weight loss)
Meal Plan Builders and cheat sheets so you can break down changes based on your dietary preference
And All Of The Tools To Remove The Guesswork
Mix & Match Meal Builders
Build balanced meals in minutes without mental math.Choose a base, protein, veggies, and fats…done. Simple enough for busy days. Flexible enough for real life.
Fiber + Omega-3 Guides
Support digestion, hormones, and recovery without obsessing over labels.
These charts show you which foods deliver the biggest return…so every choice actually counts.
Protein Guides
Whether you eat plant-based or mixed, you’ll know exactly how to hit protein targets without overthinking it. No guessing. No gaps.
Portion + Hand Guides
Learn how to adjust intake without tracking apps or food scales.
Perfect for travel, restaurants, or days you just want to eat and move on.
Easy Recipe Builders
Not recipes you’re locked into combinations you can repeat, remix, and adapt based on what you have.
Macro Food Swap Charts
Love certain foods? Keep them. These charts show you how to swap intelligently so progress doesn’t require sacrifice.
The Experts Behind The Metabolic Shred
The Metabolic Shred was created by Cori and a team of Registered Dietitians and performance coaches who specialize in helping women build sustainable nutrition habits that actually work in real life. You’re not guessing your way through this program…you’re learning from professionals who coach real women every day.
Cori Lefkowith
Redefining Strength Founder
Cori created The Metabolic Shred after working with thousands of women who felt stuck doing “all the right things” but still not seeing results. Her approach focuses on helping women stop chasing extremes and start building sustainable systems that actually fit real life. Known for breaking down complex nutrition concepts into simple, practical steps, Cori’s mission is to help women feel strong, confident, and in control of their choices again.
Michelle Alley
BS in Dietetics • CPT • BS Health Sciences
Michelle brings a no-nonsense, research-backed approach to nutrition that makes healthy eating feel realistic and sustainable. A former collegiate track athlete with nearly a decade of coaching experience, she specializes in helping women cut through nutrition noise and focus on what actually works especially during perimenopause, postmenopause, or performance-focused phases.
Julia Stumpf
RD • BS Nutrition & Exercise Science • MS Nutrition
Julia’s coaching journey started as a collegiate athlete, where she discovered firsthand how powerful nutrition and training can be when done sustainably. With advanced degrees in nutrition and a calm, practical coaching style, she helps clients understand the “why” behind their choices so results actually last. From weight loss to performance to simply feeling better day-to-day, Julia focuses on long-term habits…not extremes.
Brooke Harper
RDN • B.S. Nutrition & Dietetics
After years as a competitive athlete, including Division I soccer, Brooke found her passion in helping people build healthier, more confident relationships with food. She’s known for making nutrition approachable and flexible, helping women navigate hormone changes, metabolism shifts, and the overwhelm of conflicting diet advice. Brooke combines science-backed guidance with compassion so clients feel structured — not restricted.
Try It Risk-Free.
$87
Current Deal: $27
One Payment. Lifetime Access. No subscriptions. No monthly fees.
Go through the material. Apply what you learn. If within 30 days you genuinely feel it hasn’t helped you move forward, email us and we’ll refund your purchase. No hoops. No awkward conversations.
Metabolic Shred FAQ
Choosing coaching is a big decision. Here are the questions we hear most and exactly what you can expect when you work with us.
Is this a diet or meal plan?
No. The Metabolic Shred isn’t a strict diet or a rigid meal plan.
It’s a nutrition system that teaches you how to structure meals and adjust your intake so you can get results without constantly starting over or cutting out foods you love.
Do I have to track macros forever?
No.
Inside the program you’ll choose from three different approaches — including options that don’t require tracking at all. The goal is to help you understand what your body needs so you can eat confidently, not track forever.
Will this work if I’m in perimenopause or menopause?
Yes. The program was specifically designed to help women adjust nutrition as hormones, recovery, and metabolism change with age.
Instead of fighting your body, you’ll learn how to work with it.
What if I’ve tried macros or diets before and failed?
Most women don’t fail they just use strategies that aren’t sustainable long term.
The Metabolic Shred focuses on flexibility and adjustment so you can stop the all-or-nothing cycle and finally build something that lasts.
Is this only for fat loss?
No. While many women use this program to lose fat, it’s really about learning how to fuel your body properly.
That means improving energy, supporting muscle retention, reducing food anxiety, and feeling stronger and more confident overall.
What makes this different from other nutrition programs?
Most programs give you rules. This program teaches you how to adapt.
You’ll learn how to adjust your nutrition when life, stress, or your body changes so you never feel stuck or like you have to start from scratch again.
How long will I have access?
You get lifetime access. There is a downloadable guide you can keep forever. This is a system you can return to anytime your goals or lifestyle change.
Is this a subscription?
No. This is a one-time purchase…no monthly fees or ongoing charges.
How quickly will I see results?
Everyone is different, but most women notice improvements in clarity, energy, and confidence quickly because they finally understand what to do instead of guessing.
The real goal is sustainable progress not quick fixes.
What if this doesn’t work for me?
You’re covered by a 30-day money-back guarantee. Go through the material, apply what you learn, and if you honestly feel it wasn’t a good fit, just reach out and we’ll refund you!
I’m busy how much time does this take?
The system is designed for real life. You’re not expected to spend hours meal prepping or tracking. Many women use the visual guides and meal builders to make decisions quickly and keep things simple.
You Don’t Need More Willpower.
You Need A Better Approach. If you’re ready to stop guessing and finally feel clear about how to eat for the body you have now…The Metabolic Shred is ready for you.