Boost cellular energy and slow the aging process from within.
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Trusted by 50,000+ health-focused customers
Performance Stack – Strength & Recovery System
$138.99
$122.19
SAVE
$0.17
Three proven performance ingredients that increase strength, speed recovery, and reduce post-workout inflammation.
Increases strength and power output
Speeds neuromuscular recovery
Reduces post-workout inflammation
Supports deeper, restorative sleep
What You Get
Creatine Monohydrate
Muscle strength, power, and lean mass
$45.99
$38.44
Magnesium Glycinate
Neuromuscular recovery and sleep
$47.87
$39.87
Omega 3
Anti-inflammatory recovery support
$48.99
$43.88
Fast shipping from the USA
Secure checkout
60-day money-back guarantee
WHAT TO EXPECT
In the first week, expect better lifts and faster recovery. By week two, strength climbs visibly and post-workout soreness drops. By week four, most users report stronger sets, less inflammation, and deeper sleep — all stacking together.
WHAT'S INCLUDED
Creatine Monohydrate, Magnesium Glycinate, and Omega 3 — three foundational performance ingredients in their most effective forms.
HOW DOES IT WORK
Creatine increases ATP availability for strength and power. Magnesium supports neuromuscular function, recovery, and sleep. Omega-3s reduce inflammation and accelerate recovery. Together, they hit performance, recovery, and adaptation in one routine.
INGREDIENTS
Magnesium bisglycinate, plus a sleep blend featuring melatonin, L-theanine, and calming botanicals. Free from habit-forming sedatives, gluten, and artificial fillers.
The Gym Stack that delivered
Thousands of athletes, crossfitters, and active adults use the Performance Stack to train harder, recover faster, and break through plateaus.
"Strongest I've ever felt"
"Two months in, lifts up across the board, recovery is unreal. This stack just works."
— Tyler J.
Verified Customer
"Sleep + recovery is the edge"
"I was already taking creatine. Adding magnesium and omega-3 is what unlocked the recovery side."
— Diego A.
Verified Customer
"No more post-workout soreness"
"I used to need a full day off. Now I bounce back overnight. The omega-3 makes a real difference."
— Sasha M.
Verified Customer
"Plateau broken"
"I'd been stuck at the same weights for months. This stack pushed me past it within four weeks."
— Marcus T.
Verified Customer
One Simple Kit, Three Powerful Phases
30 days to elevate strength, recovery, and performance.
Days 1–10
PHASE 1:
Load Creatine
Creatine saturates muscle stores. Strength climbs and power output improves.
Days 11–20
PHASE 2:
Speed Recovery
Magnesium and omega-3s reduce inflammation and improve sleep. Soreness drops.
Days 21–30
PHASE 3:
Compound the Gains
Strength, recovery, and sleep stack. Performance climbs week over week.
The Real Problem Isn't Effort. It's Recovery.
You can train as hard as you want, but without the right recovery inputs, your body can't adapt and grow.
Slow Recovery
Without recovery support, soreness and fatigue stack up and every workout takes more than it gives.
Strength Plateaus
Without enough creatine and recovery, your body can't keep building. Progress stalls.
Post-Workout Inflammation
Chronic exercise inflammation slows repair and drags down sleep, mood, and immunity.
Poor Sleep
If you can't recover at night, you can't perform during the day. Sleep is half of training.
A Complete System for Performance
Three products that cover the three pillars of physical performance: strength, recovery, and adaptation.
Increase Strength
Creatine monohydrate is the most studied performance supplement on earth, it works.
Recover Faster
Magnesium glycinate supports neuromuscular function and deepens the sleep your body actually repairs in.
Reduce Inflammation
Omega-3s lower chronic exercise inflammation, accelerating recovery and protecting joints.
Sleep Like You Train
Magnesium and omega-3s improve sleep quality, and sleep is where the real gains happen.
What Makes the Performance Stack Different
A clean, no-nonsense stack of the three most clinically proven performance ingredients.
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Formulated by Nathaly Marcus — Trusted by Millions
Nathaly Marcus is a functional medicine practitioner and supplement formulator trusted by millions for her evidence-based, no-BS approach to health.
She created the Sugar Reset Program after seeing countless people struggle with cravings and metabolic dysfunction, not from lack of willpower, but from broken biology.
Every FortCore formula is built to her exact standards: clinical doses, third-party testing, and ingredients she uses herself.
When you choose this program, you're getting a system designed by someone who refuses to compromise on quality or results.
✨ Train hard. Recover smart. Three products built to push your performance further.
Slide 1 of 1
Trusted by 50,000+ health-focused customers
Performance Stack – Strength & Recovery System
$138.99
$122.19
SAVE
$0.17
Three proven performance ingredients that increase strength, speed recovery, and reduce post-workout inflammation.
Increases strength and power output
Speeds neuromuscular recovery
Reduces post-workout inflammation
Supports deeper, restorative sleep
What You Get
Creatine Monohydrate
Muscle strength, power, and lean mass
$45.99
$38.44
Magnesium Glycinate
Neuromuscular recovery and sleep
$47.87
$39.87
Omega 3
Anti-inflammatory recovery support
$48.99
$43.88
Fast shipping from the USA
Secure checkout
60-day money-back guarantee
WHAT TO EXPECT
In the first week, expect better lifts and faster recovery. By week two, strength climbs visibly and post-workout soreness drops. By week four, most users report stronger sets, less inflammation, and deeper sleep — all stacking together.
WHAT'S INCLUDED
Creatine Monohydrate, Magnesium Glycinate, and Omega 3 — three foundational performance ingredients in their most effective forms.
HOW DOES IT WORK
Creatine increases ATP availability for strength and power. Magnesium supports neuromuscular function, recovery, and sleep. Omega-3s reduce inflammation and accelerate recovery. Together, they hit performance, recovery, and adaptation in one routine.
INGREDIENTS
Micronized creatine monohydrate, magnesium bisglycinate, and triglyceride-form Omega 3 with concentrated EPA and DHA. Free from artificial sweeteners and proprietary blends.