Rated 4.9
Testosterone Precursor - RAD-Mass
Michael Harris
I just want to thank you for all of your excellent products. I’m 45, training hard again after a decade off, and I feel like I’m 25. The muscle fullness, the power, the drive it’s insane. Pumps that last for hours, recovery that makes me crave the next workout. You’ve earned a customer for life.
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RAD-MASS™ — The Testosterone Base That Breaks Every Plateau
High-dose 4-Andro. Direct test conversion. The foundation every serious cycle needs.*
Same weights for 3+ months. Same reflection in the mirror. You're training like a savage but looking average.
Here's the uncomfortable truth most guys don't want to hear:
After 35, men lose approximately 1-2% of their natural testosterone production per year. By 50, that's 15-20% gone.†
Your natural hormone levels may no longer support the muscle growth you're chasing. You've hit a biological ceiling—and no amount of effort, protein, or training volume will break it.
But here's what most guys don't know:
Your body still has the machinery to build muscle. The receptors are there. The cellular pathways are intact. You just need to give your body the raw materials it's been missing.
RAD-MASS delivers 100mg of 4-DHEA per serving—a direct testosterone precursor that your body converts into real testosterone.†
Why You May Have Hit a Wall
Your natural testosterone can only support so much muscle mass. It's basic biology. Once you've built everything your current hormone levels allow, additional training, food, and supplements may deliver diminishing returns.
The science: Testosterone is the master regulator of muscle protein synthesis. When levels are optimized, your body has the hormonal signal it needs to build and maintain more lean tissue.†
Training breaks down muscle. Hormones rebuild it. When testosterone levels aren't optimized, you may struggle to recover from the training intensity needed to grow. You're either overtraining or undertrained—stuck in a frustrating limbo.
The solution: 4-DHEA supports testosterone levels, which may help enhance protein synthesis and recovery between sessions.†
Running prohormones without a testosterone base? That may be why you feel drained—low energy, reduced libido, joint discomfort. Many compounds can suppress natural testosterone production. Without a base, you could be leaving significant gains unrealized while experiencing unwanted sides.
The answer: RAD-MASS serves as your test base, potentially maintaining testosterone levels while you run other compounds.†
The Science: Why 4-Andro May Be The Optimal Test Base
4-DHEA (4-Andro) is a DHEA isomer that follows a two-step enzymatic conversion to testosterone via 17β-HSD. This pathway is more direct than standard DHEA or herbal "test boosters."†
🔬 THE COMPOUND
4-DHEA (4-Andro) — 100mg per 2mL serving
A true testosterone precursor—not a "booster." Your body converts it directly into bioidentical testosterone through natural enzymatic processes.†
💧 LIQUID DELIVERY ADVANTAGE
Advanced Liquid Solution Technology
Powder capsules may have limited bioavailability. Our liquid solution is formulated for enhanced absorption—potentially delivering more active compound to your system per milligram.†
We know some of you have considered testosterone replacement therapy—or even underground sources.
Here's the reality: RAD-MASS provides a legal pathway to support testosterone levels. 4-DHEA converts directly into bioidentical testosterone in your body through natural enzymatic processes.†
No needles. No prescriptions. No clinic visits. No questionable sources. A legal alternative for men seeking testosterone support.†
*RAD-MASS is a dietary supplement, not a medical treatment. This is not a claim of equivalence to TRT or any prescription therapy. Results vary by individual.
What Some Users Have Reported: Week-by-Week*
Individual experiences shared by select customers. Your results will vary based on diet, training, genetics, and compliance. These represent individual reports, not typical outcomes.
Week 1-2: The Foundation Phase
Some users report feeling "switched on"—increased energy, elevated mood, and heightened training intensity. This is when 4-DHEA begins supporting testosterone levels.†
Week 3-4: The Strength Phase
Some users report weights that were stuck for months beginning to move. Meaningful increases on major compound lifts are commonly reported. Recovery between sessions may noticeably improve.†
Week 5-8: The Mass Phase
This is where visible transformation may occur for some users. Meaningful scale weight changes are commonly reported. Fuller, thicker muscles. People may start noticing and commenting.†
Week 9-12: The Consolidation Phase
Users who complete a full cycle with proper diet and training report meaningful progress in both mass and strength. A more developed, mature physique. Quality gains that may be maintained with proper PCT.†
*Individual results vary significantly. No specific outcomes are guaranteed.
From Skeptics to Believers: Customer Stories*
Individual customer experiences. These are exceptional results and should not be expected. Your results will vary based on diet, training, genetics, and protocol compliance.
"I'd tried every supplement on the shelf. Nothing worked. Figured RAD-MASS would be the same. I was wrong. By week 3, weights I'd been stuck on for 6 months started moving. Ended my 10-week cycle with serious gains and kept most of them after PCT. This stuff is different."
— Ryan K., 29, First Cycle User
*Exceptional individual result. This is not typical and your results will vary.
"I ran 19-NANDRO solo once. Felt like garbage—no energy, no libido. My buddy told me I needed a test base. Stacked RAD-MASS this time and night and day difference. Same gains but I actually felt like a human being. Test base is non-negotiable now."
— Marcus D., 36, Experienced Stacker
*Exceptional individual result. This is not typical and your results will vary.
"Stuck at 185 for over a year. Same lifts, same body, same frustration. 12 weeks of RAD-MASS and I finally broke through. Hit PRs I hadn't touched in years. My wife noticed before I did. Said I looked like I did when we met 15 years ago."
— Jake T., 42, Plateau Breaker
*Exceptional individual result. This is not typical and your results will vary.
*Testimonials represent exceptional individual experiences and are not typical results. Results depend on diet, training, genetics, and individual response.
It's Not Just About You
Your kids are watching. They're learning what it means to fight for something that matters.
Your wife fell in love with a man who took care of himself. Give her that man back.
Your family needs you strong. They need you here. Take care of the only body you've got.
⚠️ Important: RAD-MASS Contains a True Testosterone Precursor
4-DHEA will support testosterone levels beyond normal baseline. This is the intended effect—but it also means natural production may temporarily decrease while using.
Post-Cycle Therapy (PCT) is strongly recommended. We're transparent about this because we want you to get results AND recover properly.
💪 Strength increases — Breaking through plateaus that lasted months*
📈 Mass development — Meaningful muscle gains when following proper protocol*
🔄 Enhanced recovery — Ability to train harder, more frequently without burnout†
⚡ Elevated energy — Feeling "on" throughout the day, not just in the gym†
🔥 Improved drive — The confidence and motivation that comes with optimized hormones†
💧 Fuller muscle appearance — That "on-cycle" look customers frequently mention†
*Based on select customer reviews. Individual results vary. These represent individual experiences, not guaranteed or typical outcomes.
| Scenario | With RAD-MASS | Without Test Base |
|---|---|---|
| Running 19-NANDRO | Gains + maintained libido + energy† | Often reported: low energy, reduced libido |
| Running WIN-TEST | Dry gains + fullness + strength† | Often reported: flat muscles, joint discomfort |
| Training Intensity | Aggressive, focused, driven† | Often reported: fatigue, lack of motivation |
| Recovery | Fast recovery between sessions† | Often reported: lingering soreness, slow recovery |
RAD-MASS may help other compounds work more effectively while helping prevent low-testosterone side effects.†
Simple Protocol: How To Run It
Dose: 2-4mL daily (100-200mg). Start with 2mL for the first week, increase to 4mL based on response.
Timing: Morning OR 30 minutes before training. Empty stomach preferred for optimal absorption.
Cycle Length: 8-12 weeks recommended. Advanced users may extend to 16 weeks with proper support.
PCT: Strongly recommended. Run Muscle Support Stack (Armidione + Cycle Support) for minimum 4 weeks post-cycle.
Diet: Works with caloric surplus (mass building) or maintenance (recomp). Minimum 1g protein per lb bodyweight recommended.
💡 First Cycle Recommendation: RAD-MASS solo is often ideal for first-time prohormone users. Single compound, well-tolerated by most, teaches you how to manage hormone support. Run it for 10 weeks, follow with PCT, track everything. This is your education before more advanced stacks.
Is RAD-MASS Right For You?
✓ You're running your first prohormone cycle
RAD-MASS solo is widely considered the smartest first cycle. One compound, predictable results, teaches proper PCT management.
✓ You're stacking other prohormones and need a test base
Running 19-NANDRO, WIN-TEST, or 1-ANDROL? RAD-MASS serves as your foundation—helps prevent low-T sides while potentially amplifying results.†
✓ You've been stuck at the same strength/size for 3+ months
Your natural hormone levels may not support additional growth. RAD-MASS may help raise that ceiling.†
✓ You're over 35 and want to support declining testosterone
4-DHEA provides a direct testosterone precursor that may help offset natural age-related decline.†
✗ This isn't for "quick shred" goals
Test supports mass and strength. For cutting focus, consider WIN-TEST or HYDROXYGENIN. RAD-MASS is for building.
✗ This isn't for people who skip PCT
Supporting testosterone externally means natural production may decrease. PCT is essential to recover. No exceptions.
The 30-Day Satisfaction Guarantee
Run RAD-MASS for 8 weeks with proper training and nutrition.
If you're not satisfied with your experience—full refund.
No hassle. No excuses. Satisfaction or your money back.
Frequently Asked Questions
4-DHEA is a DHEA isomer and true testosterone precursor—not a "booster." Through enzymatic conversion (via 17β-HSD), it transforms directly into bioidentical testosterone inside your body. You're not just "nudging" natural production; you're providing the raw substrate for testosterone synthesis.†
Both approaches work. Solo RAD-MASS is an excellent first cycle—customers have reported meaningful muscle development when following the full protocol.* OR use it as a test base when stacking other compounds like 19-NANDRO, WIN-TEST, or 1-ANDROL. Either approach can deliver significant results.*
Yes. You're supporting testosterone levels externally. Natural production will likely decrease during use. Without PCT, you may experience low energy, reduced libido, mood changes, and potential loss of gains. Run Muscle Support Stack for minimum 4 weeks after your cycle.
Individual results vary significantly based on diet, training, genetics, and baseline hormone levels.* Some users have reported meaningful progress in both mass and strength when following the full protocol. Quality gains that can be maintained post-PCT with proper protocol are the goal.*
Bioavailability. 4-Andro in powder capsules may have limited absorption rates. Our liquid solution is formulated for enhanced absorption, potentially delivering more active compound to your system per milligram. This is why many users report feeling liquid formulations faster than capsules.†
If you're on TRT, consult your prescribing physician before adding any supplements. 4-DHEA converts to testosterone, which may affect your hormone panel and dosing requirements. Many TRT users do incorporate prohormones, but medical supervision is recommended.
Recommended RAD-MASS Stacks
🔷 The First Cycle (Solo Test Base)
RAD-MASS Solo + Comprehensive PCT
First prohormone experience? Run RAD-MASS by itself for 10 weeks. Follow with 4 weeks PCT. Learn how your body responds before advancing to more complex stacks.
🔶 The Mass Stack*
RAD-MASS + 19-NANDRO + Cycle Support
The classic "test and deca" concept—legal edition. RAD-MASS provides the test base. 19-NANDRO supports mass and joint comfort. Together: formulated for aggressive mass development.* PCT should be aggressive (6 weeks minimum).
🔷 The Recomp Stack*
RAD-MASS + WIN-TEST + HYDROXYGENIN + Cycle Support
RAD-MASS for the test base. WIN-TEST for dry hardness. HYDROXYGENIN for metabolic support. Eat at maintenance or slight deficit. Formulated for simultaneous muscle support and fat loss.†
*Stack results vary by individual. These are formulation goals, not guaranteed outcomes.
The Bottom Line
Every serious cycle benefits from a testosterone base.
Without it, you may feel drained and leave potential gains unrealized.
RAD-MASS is that base—pure 4-Andro that converts directly to testosterone.†
Build on rock. Not on sand.
Ready to Break Through Your Plateau?
Join thousands of satisfied customers who made the switch.
Feel it within weeks. See it as you progress. Show it off when you're ready.*
30-Day Money-Back Guarantee • USA Manufactured • Lab Tested
⚠️ Legal Disclaimer & Responsibility Notice:
RAD-MASS contains 4-DHEA, a testosterone precursor. It will support testosterone levels and may temporarily suppress natural testosterone production. Post-Cycle Therapy (PCT) is strongly recommended. Consult a healthcare provider before use, especially if you have any medical conditions or take medications.
This product is intended for adult males over 21 with training experience. Not suitable for women, individuals under 21, or those with liver, kidney, cardiovascular, or prostate conditions. Keep out of reach of children.
*Individual results vary and are not guaranteed. Testimonials represent exceptional individual experiences and are not typical results. Results depend on diet, training, genetics, and individual response.
†These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.
Testosterone Precursor - RAD-Mass
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We stand behind every formula we make. If you’re not satisfied within 30 days, send it back — we’ll refund you in full. No games. No hassle.
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Why trust us when every other supplement brand has lied to you?
You’ve tried it all.
Powders. Pills. Pre-workouts. Test boosters. Protein tubs stacked to the ceiling.
Every label screaming “science-backed.” Every ad promising “massive gains.”
And what happened?
Plateaus. False hope. Wasted money. Weak results.
That’s because most of the industry is built on fillers, caffeine, and fairy dust doses. Lies packaged in shiny tubs.
Vintage Muscle is different.
We don’t push hype—we push hardcore precursors designed to actually change your results.
Every formula is pure, potent, and HPLC-tested. No cheap junk. No under-dosing. Just real compounds that fuel size, strength, and recovery.
Don’t take our word for it. Look at the reviews. Thousands of lifters already transformed.
And if you’re still skeptical—we get it. You’ve been lied to too many times.
That’s why we back everything with a 100% money-back guarantee.
If you don’t feel harder, stronger, and bigger in 30 days, you don’t pay. Period.
Now it’s on you to take the leap.
Start your cycle. Document it.
And in a few weeks, you might be the next guy DM’ing us:
“I can’t believe I didn’t start sooner.”
Jared Van Yperen, Founder Vintage Muscle
Real customers, real results
"If My Products Don’t Build You Up, We Don’t Want Your Money."
If Vintage Muscle doesn’t help you get stronger, harder, and more powerful within 30 days of daily use, we don’t want a dime from you.
We’re confident because these formulas work. They’ve already transformed thousands of men.
But here’s the truth — nothing works for everyone. And if it doesn’t work for you, we’ll refund you. No excuses.