Import Hevy to Jacked: Move Your Workout History Without Starting Over
A practical Hevy to Jacked migration checklist: export your CSV, check workouts, preserve exercise history, and verify your first session before training.
Training library for smarter hypertrophy.
Practical articles on progressive overload, RIR, deloads, exercise selection, recovery, supplements, workout imports, and the app decisions that matter inside a real training block.
261 articles9 topicsBuilt for Jacked lifters
Find the reason behind the next set.
Search the Jacked library when you want the training logic behind the app: how to progress, when to hold back, what to track, and how to make imported history useful.
Best hypertrophy app for iOSBest workout app for hypertrophyProgressive overload appsImport Hevy to JackedRPE vs RIR
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Best Hypertrophy App for iOS: What Serious Lifters Should Look For
The best hypertrophy app for iPhone is not just a workout log. It should make progression, volume, effort, history, and body-composition evidence easier to act on.
Start hereBest Workout App for Hypertrophy: Features That Actually Matter
The best workout app for hypertrophy should make live logging, progressive overload, weekly muscle volume, effort tracking, and progress review easier.
Start hereProgressive Overload App: Why Most Apps Fail and What Works
A real progressive overload app does more than record sets. It helps choose the next load, reps, or volume change from your actual performance.
Strong to Jacked Import Guide: Check Your CSV Before Switching Apps
Move Strong workout history into Jacked without losing the context that drives progression: dates, exercises, sets, reps, weights, notes, and effort.
Best Hypertrophy App for iOS: What Serious Lifters Should Look For
The best hypertrophy app for iPhone is not just a workout log. It should make progression, volume, effort, history, and body-composition evidence easier to act on.
Best Workout App for Hypertrophy: Features That Actually Matter
The best workout app for hypertrophy should make live logging, progressive overload, weekly muscle volume, effort tracking, and progress review easier.
Hevy Import Guide: How to Move Workout History Into a Better Hypertrophy Tracker
Switching workout apps should not mean losing years of training context. Here is what matters when importing Hevy workouts, routines, measurements, notes, and set types.
Hypertrophy App vs Generic Workout Tracker: What Actually Matters
Generic workout trackers store what happened. A hypertrophy app should help decide what to do next, while keeping volume, effort, and progress visible.
Progressive Overload App: Why Most Apps Fail and What Works
A real progressive overload app does more than record sets. It helps choose the next load, reps, or volume change from your actual performance.
Alpha Lipoic Acid for Lifters: The Complete Guide to Insulin Sensitivity and Recovery
Alpha Lipoic Acid improves insulin sensitivity and recovery for lifters. Here's what the science says about ALA supplementation.
CoQ10 for Strength Athletes: The Mitochondrial Advantage
CoQ10 supplementation shows 4.5% peak power improvements in trained athletes. Here's what the research says and who benefits most.
Auto-Progression: The Feature That Changes Everything for Muscle Growth
What if your workout app automatically increased your weights? That's auto-progression — and it's the biggest innovation in hypertrophy training.
NAC (N-Acetyl Cysteine) for Exercise Performance: What the Science Says
Does NAC actually improve workout performance? We dug into the research to separate hype from what actually works for lifters.
Plateaus: Why You Stopped Growing (And How to Break Through)
You've been training hard but nothing changes. Here's the science of plateaus and the exact strategy to break through.
Progressive Overload: The Only Muscle Building Principle That Matters
Every muscle building program relies on progressive overload. Here's how to apply it correctly — and why most people get it wrong.
Why Most Workout Apps Don't Work: The Problem With Generic Programming
Most workout apps give you a static plan and hope for the best. Here's why adaptive programming crushes generic apps — and what to look for.
Why Your Workout App Isn't Building Muscle: The Progressive Overload Problem
Your workout app tracks your sets and reps. But is it actually building muscle? Here's why most apps fail at progressive overload — and what to do instead.
Epicatechin: The Cocoa Flavanol for Muscle Growth
Found in cocoa and dark chocolate, epicatechin shows promise for inhibiting myostatin and supporting muscle growth. Here's what the science says.
Magnesium Supplementation for Strength Athletes: What the Science Says
The research on magnesium for strength athletes—does it actually improve performance or is it just another supplement hype?
Beta-Ecdysterone for Muscle Growth: The Complete Guide
The plant compound that out-performed anabolic steroids in research — and WADA considered banning it. Here's what the science actually shows.
Citrulline Supplementation for Strength Training: The Pump Amino Science
L-citrulline delivers better pumps and more reps — but it's not about strength. Here's what the research actually shows for hypertrophy-focused lifters.
Vitamin D Supplementation for Strength Athletes: What the Science Actually Says
The sunshine vitamin does far more than bone health — it directly impacts muscle function, type II fibers, and recovery. But who's it actually helping?
HMB for Strength Athletes: Does It Actually Work?
HMB has been marketed as a muscle-preserving powerhouse for decades. But does the science actually support the hype? Here's what the research says.
Sleep, Hormones, and Muscle Growth
How sleep affects testosterone, growth hormone, and muscle protein synthesis.
Beta-Ecdysterone for Muscle Growth: The Complete Guide
Does ecdysterone actually work? The science behind this controversial supplement.
Creatine Loading Phase: Necessary or Not?
The science behind creatine loading - is it actually necessary?
Vitamin K2 for Strength Athletes: The Forgotten Nutrient for Bone Strength and Recovery
Vitamin K2 is the silent workhorse for lifters — activating bone-building proteins, protecting joints, and pairing with vitamin D3 for maximum calcium absorption.
Creatine Loading Phase: Necessary or Not?
The truth about the most debated creatine protocol—and what actually matters for your gains.
RPE vs RIR vs Percentage-Based Training: The 2025 Science of Auto-Regulation
A 2025 network meta-analysis reveals which auto-regulation method actually builds the most strength—and why traditional percentage-based training might be holding you back.
The Science of Deload Weeks: When to Rest for Maximum Gains
Research shows deload weeks may not boost hypertrophy, but they're crucial for long-term progress and injury prevention. Here's what the science actually says.
2025 Muscle Building Research: The Smart Training Revolution
New research challenges everything you thought about training volume, intensity, and supplements. The future of hypertrophy is working smarter, not longer.
AI in Fitness Programming: How Smart Algorithms Are Replacing Static Workout Plans
Discover how artificial intelligence is revolutionizing workout programming through personalized, adaptive algorithms that optimize progressive overload in real-time.
Air Pollution and Muscle Building: What Every Lifter Needs to Know
Training outdoors? Here's how pollution affects your muscle gains and what you can do about it.
Alcohol and Muscle Growth: The Science Behind Why Drinking Sabotages Your Gains
Research shows alcohol consumption significantly impairs muscle protein synthesis, disrupts the mTOR pathway, and damages sleep quality—三大因素 that can erase your training gains. Here's what the science says.
Anabolic Resistance: Why Your Muscles Stop Responding to Protein (And What To Do About It)
As we age, our muscles become less responsive to protein—a phenomenon called anabolic resistance. Here's the 2025-2026 science on fighting back and maintaining muscle mass.
Ashwagandha for Lifters: The Stress-Adaptogen That Builds Muscle
New 2026 research confirms ashwagandha reduces cortisol, enhances recovery, and increases strength—here's what the science shows about this ancient herb for modern lifters.
Astaxanthin Supplementation for Athletes: The Science Behind the Pink Powerhouse
One of the most potent antioxidants ever studied could be the recovery tool your training needs. Here's what the science says about astaxanthin for athletes.
Beetroot Juice Nitrates: The Science Behind Muscle Performance
Beetroot juice isn't just for runners. New research shows dietary nitrates can enhance isometric strength, reduce fatigue, and improve blood flow during resistance training.
Use the research while you train.
Jacked turns RIR, volume, rest timing, imports, and progress history into a faster iPhone workout log.