Made for peptide users
500mg Urolithin A
+ Peppy
+ TB‑500
+ SS‑31
You spend $300 a month on peptides your body is too worn down to even use.
You spend $300 a month on peptides your body is too worn down to even use.
Same ritual every morning. Draw up the BPC 157. Swab the belly. Pin it. Then the TB 500. Ipamorelin before bed. You read the research. You do everything right.
So why does a man who does everything right still wake up stiff, foggy, and a step behind the guy he used to be? Because a peptide is only a message. Your mitochondria are what answer it, and past 35 most of yours are old, slow, and barely lit.
Precursor is the piece the protocol was missing. Two gummies. A clinical 500mg dose of Urolithin A that triggers mitophagy, where your body clears out the dead mitochondria and grows fresh ones. That same $300 stack, finally landing the way it was supposed to.
Your engines peaked at 25, and nobody sent the memo.
Your engines peaked at 25, and nobody sent the memo.
You blame the test levels, the sleep, the cortisol. But the slower recovery and the pump that fades by Thursday trace deeper. Your mitochondria lose roughly half their output between 30 and 60. Fewer engines, weaker spark. Precursor rebuilds the motor instead of flogging a tired one with more caffeine.
Most longevity supplements are a rounding error. This is the dose the studies actually used.
Most longevity supplements are a rounding error. This is the dose the studies actually used.
Half the bottles sprinkle in a dusting of Urolithin A just to print it on the label. The research that moved the needle ran on 500mg. Precursor gives you the full 500mg across two gummies. Not a trace. Not a blend hiding the number. The exact amount the science was built on.
The difference between recovering by Thursday and recovering by Saturday.
The difference between recovering by Thursday and recovering by Saturday.
Run it two weeks and the first thing men notice is mornings. You stand up without the joint by joint audit. Workouts stop costing you three days. The 2pm wall stops showing up. Then one morning you catch yourself moving like the man you were a decade ago.
“I have watched men spend thousands a year on peptides and get a fraction of what they paid for. It is almost never the peptide. It is that the cell underneath it ran out of the energy to act on the signal. Clear the dead mitochondria first, and the same stack finally does what it promised.”
This goes underneath the stack, not on top of it.
This goes underneath the stack, not on top of it.
Your peptides are the specialists. Precursor is the ground they stand on. Mitophagy clears the dead mitochondria so the fresh ones can actually answer the signal your BPC and TB are sending. Foundation first. That is why the men who add it stop chasing higher and higher doses to feel the same thing.
No needle. No fridge. No protocol math. Two gummies.
No needle. No fridge. No protocol math. Two gummies.
You already do the hard part every morning. Precursor does not add another pin, another vial, another thing to track. You chew two gummies with your coffee. That is the whole protocol, and it is the one holding the rest of it together.
Mitophagy is the trick your body forgot.
Mitophagy is the trick your body forgot.
Young cells recycle their own worn out mitochondria on autopilot. It slows to a crawl with age, leaving you packed with dead engines crowding out the good ones. Urolithin A switches it back on. Your cells take out their own trash again. Cleaner cell, stronger output, every signal hitting harder.
"Added Peppy under my BPC-157 and the recovery finally caught up to the signal. The shoulder that stalled for months is moving again."
"Three peptides deep and I was still running on empty by 2pm. Two gummies a day and the energy to actually use the stack came back."
"I run SS-31 and thought the mitochondrial side was covered. This is the half it was missing. Everything runs cleaner now."
"Cheapest thing in my stack and the one that made the rest worth the money. Wish I had added it a year ago."
You are already paying for the results. You just are not collecting them.
You are already paying for the results. You just are not collecting them.
Add up what you spend a year on peptides. Now picture leaving 40% of it on the table because the cells receiving them run at half capacity. Precursor is the cheapest line on your protocol and the one that decides how much of the rest you actually keep.
“If a man is paying for a serious peptide protocol and not running Urolithin A underneath it, he is funding a signal his cells cannot afford to use. I tell patients plainly: fix the foundation, or stop spending the money.”
Every month you wait, the engines you are trying to save keep dying.
Every month you wait, the engines you are trying to save keep dying.
Mitochondrial decline is on the calendar right now, and it speeds up with age. The longer the dead ones pile up, the harder the output is to claw back. The best day to switch mitophagy back on was ten years ago. The second best is the day the jar shows up.
Run it 90 days. Feel it or it is free.
Run it 90 days. Feel it or it is free.
Put Precursor underneath your stack for 90 days. If your protocol does not start hitting different, send back the jar and we refund every dollar. The only real risk is another three months of pinning into a body that still cannot use it.
Refills Every 30 Days 
Pause or Cancel Anytime What You Get
$671 in Free GiftsEvery first order ships with these bonuses, free, yours to keep.
Experts
Why we built itThe researchers and clinicians who put Urolithin A on our radar.
“Peptides send the signal. Urolithin A makes sure the cell has the power to act on it. For anyone running a stack, that’s the piece most people are missing.”
“On a stack, the people who recover best aren’t injecting more. Their cells turn fuel into repair more efficiently. That’s exactly where Urolithin A earns its place.”
“One of the few longevity compounds with randomised human trials behind its core mechanism. That’s the bar I want before recommending anything.”
How to Take It
3 Simple StepsTake two gummies a day, any time, with or without food. No mixing, no powders, nothing new to remember. Done in seconds.
What's Inside
Third-Party Tested
How It Works
The piece I was missing 
My stack finally lands My strength came back 
Recovery finally landed 
Steady fuel all day I added these under my BPC-157 and TB-500 stack and the difference is the recovery. My shoulder finally feels like it's closing the gap. I'm not just signaling the repair anymore, my cells have the fuel to actually finish it.
My stack was firing but the energy to use it wasn't there. Foggy, flat, dragging through the day. I added these two gummies in the morning and the afternoons feel a lot more like myself again. Not a miracle, just steadier.
I kept pouring money into the signal and getting nothing back on the power to use it. Didn't know that was the gap until my brother put me onto these. Now the peptides actually land. Big difference at 52.
Three peptides deep and the thing I worried about most was running on empty. I've had these under the whole stack and felt genuinely good. Energy's there to act on every compound. Taste is fine too, like a soft fruit chew.
Wish I'd added this under my stack at the start instead of a year in. The repair was never finishing before. Now I take two every morning with my coffee and it's just part of the routine. Reordered already.
I'm 47 and the goal was never to just run more compounds, it was to feel strong and capable and actually keep what the stack builds. These have been the foundation piece that made that feel possible for me.
Bought these half-skeptical. A few weeks in and the mid-afternoon wall I'd hit on my heavy peptide days isn't knocking me out the same way. Easy to stay consistent because they actually taste good.
62 and running Ipamorelin and CJC-1295. My biggest fear was the gains never landing. I feel steady on my feet and my energy through the week has been more even. Simple to add under the stack.
I lift hard and run TB-500 for the joints, but my recovery between sessions had stalled out. Added these underneath and things leveled out. Feels like I'm finally keeping what the stack works for.
Three months in. The standout for me is the energy to actually use what I'm running. I used to feel like the signal fired and nothing answered. Not anymore.
Went in skeptical, came out a believer. I stopped crashing every afternoon on my heavy injection days once I added these under my stack at breakfast. Whatever it's doing, I'm glad I stuck with it.
Clean, simple, no weird aftertaste. I like that it's one studied ingredient sitting under the stack, not a kitchen-sink scoop. Two gummies and done.
I was so worried my recovery had quietly stalled. I feel like I've got more life in me through the day and the stack is finally landing, exactly what I was hoping for.
Recovering faster and still hitting my lifts hard. That combo is all I wanted out of the stack. These earned a permanent spot in the cabinet.
The morning routine made it stick: coffee, injection day or not, two gummies. The steadier energy to actually use my stack is the thing I'd miss if I stopped.
55, three peptides deep, and everything I ran felt like it stopped halfway. This is the first thing I've added under the stack that I genuinely feel a steadiness from.
No crash, no fuss. I travel a lot and run my vials on the road, so the pouch is easy to throw in a bag alongside them. Been consistent for two months and I feel good.
I read the signal-versus-fuel explainer on the site and it just clicked. My peptides were the order, this is the power to answer it. A month in and the afternoons are noticeably better.
Was dragging by 2pm every heavy peptide week. Added these underneath and the difference in how I get through the day is real. My wife noticed before I said anything.
Keeping my strength and the energy to use everything I run was the whole point. These have been a quiet, steady win under the stack. Already on my second pouch.
“The order is firing. Your cell can’t afford to fill it.”
You ran BPC and TB for the tendon, the gut, the shoulder that never fully came back. When the cell finally has the ATP to act on the signal, the repair stops dragging and starts finishing. This is the version of your healing stack you thought you were paying for.
“You’re spiking the growth signal. Tired muscle can’t bankroll the build.”
You spike GH for the recovery, the body composition, the feeling of 25 again. Protein synthesis is the most expensive thing a muscle cell does. Give it the power and the growth you’re already signaling finally lands, instead of getting wasted on a cell that can’t pay for it.
“You protect the engines. You’re not clearing the dead ones.”
You already think at the mitochondrial level. This is the half SS-31 leaves untouched. The dead engines stop piling up and the ones you stabilize finally run in a clean system instead of a clogged one. Same lane, the job your peptide doesn’t do.
Two Gummies Daily.
The Clinical Dose.
Worth More Than You Pay.
Can I take this with BPC-157, TB-500 or my GH peptides?
Yes. Peppy is a daily Urolithin A gummy, not a medication, so it's designed to sit alongside your peptide protocol. It does not compete with a single compound you run. As with any supplement, it's always sensible to run it past your prescribing doctor first.
When should I take it?
Take two gummies once a day, whenever fits your routine. Many stackers prefer the morning, so it becomes a consistent part of their daily protocol.
How long until I notice a difference?
Urolithin A works at the cellular level, so it builds gradually. Many people take it consistently for several weeks alongside their peptide protocol. Everyone's body responds differently, and results aren't guaranteed.
Is Urolithin A safe?
Urolithin A is a well-studied compound your body can naturally produce from foods like pomegranates and walnuts. Peppy is made in a third-party-tested facility. If you're pregnant, nursing or on medication, check with your doctor before starting.
How many gummies, and what's the dose?
Two gummies a day deliver 500mg of Urolithin A, the amount used in published research. Each pouch is a full daily-serving supply, so it's a simple add-on to your existing routine.
What if I don't feel anything?
Cellular support can be quiet at first, which is why we back it with a money-back guarantee. Give it a fair, consistent run, and if it isn't right for you, reach out and we'll make it right.
