“Finally, a straightforward guide to understanding which peptides actually match my goals. Down 18 lbs in three months.”

Alex M.
Weight Loss · Retatrutide stack
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Compounds
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Categories
AI
Research-led
Subject / 01
Peptide study
Research-led

Precision starts at
the molecule.
Structure ↗ Protocol
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Compounds
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Categories
AI
Research-led
Message our specialists anytime, coordinate lab work, and receive precision adjustments to your regimen.
No hidden fees. Pay one transparent price for your consultation, premium compounds, and expedited shipping.
Fast, discreet shipping from our accredited partner pharmacies, securely wrapped in thermal insulation to preserve efficacy.
Targeted Reduction
Shift your body into optimal lipid mobilization with peptides designed to target stubborn adipose tissue, preserve lean muscle mass, and optimize overall energy expenditure.

0
Weeks
0%
Mean Loss
Typical stack
Retatrutide · Tirzepatide · Semaglutide
TRIUMPH-4
Phase 3 Clinical
0.0%
Mean body weight loss at 68 weeks, 12 mg arm.
N=2,407 · Peer-reviewed
Cellular Renewal
Address the hallmarks of aging at a cellular level. Protocols built to encourage deep tissue repair, DNA preservation, and sustained vitality across the decades.

0
Weeks
00
Compounds
Typical stack
NAD+ · Epithalon · Thymalin
NAD+ DECLINE
Age-related research
0%
Typical drop in cellular NAD+ between age 30 and 60.
Peer-reviewed · Cell Metabolism
Maximum Output
For those demanding more from their physical and cognitive limits. Accelerate oxygen transport, neuroplasticity, and raw power generation.

12
Weeks
04
Compounds
Typical stack
CJC-1295 · Ipamorelin · MOTS-c
TEICHMAN 2006
CJC-1295 Phase I Clinical
5×
Mean plasma GH concentration sustained over 6 days post-dose.
n=21 & 33 · Published in JCEM
System Reset
When the system breaks down, speed up the timeline. Peptides selected specifically to accelerate tissue remodeling, joint health, and neurological recovery.

08
Weeks
03
Compounds
Typical stack
BPC-157 · TB-500 · GHK-Cu
BPC-157 RESEARCH
Tissue-repair preclinical
30+
Peer-reviewed animal studies documenting accelerated tendon, ligament, and gut repair.
Sikiric et al. · Multi-lab replication
The Process
Complete a comprehensive clinical intake. Tell us your objectives, medical history, and constraints.
Our intelligence layer cross-references your inputs against the catalog, finding the exact compounds for your biology.
Fast, discreet shipping from our accredited partner pharmacies. Arrives securely packed with cold-ship insulation.
Log your doses, visualize your progress trends, and refine the plan with your own licensed provider as your body responds over time.
Takes 3 minutes. 100% online.
Establishing your unique metabolic profile
Filtering against 40+ clinical compounds
Preserving peak compound efficacy
Adapting to your body's response
Free tool · no sign-up
Reconstitute any vial and get your exact draw per dose — in millilitres and syringe units. Adjust the numbers below, or open the full calculator to match a specific compound.
Open the full calculatorPick a compound & get matchedReconstitution & dose
Concentration
2.5mg/mL
Draw per dose
0.1mL
10.0 units
Doses / vial
~20
Enter a single-injection dose. The calculator checks arithmetic, vial content, and syringe capacity, and (pick a compound to also flag doses above its typical maximum). It still doesn't replace clinical judgment on whether a dose is right for you.
Free preview. No signup. Your full personalized stack lives behind the full onboarding.
Our standards
Research-Verified
Every compound profiled from peer-reviewed literature and clinical trial data.
Peer-Reviewed Citations
Protocols reference published studies — traceable science, not forum claims.
Safety-First Logic
Contraindication screening and mechanism-overlap checks run on every plan.
Lab-Tested Sourcing
Only suppliers with third-party purity and identity testing reach the catalog.
Research & Clinical Guidance
Our protocols are informed by peer-reviewed endocrinology research and screened against safety logic. Pepzilla is an education and planning platform—it doesn't prescribe medication or replace your doctor. You bring your plan to a licensed provider and decide together.
Every protocol is built from peer-reviewed literature and clinical-trial data—traceable science, not forum claims.
Track your response and lab markers over time, and refine your plan with your own provider as your data evolves.
Every plan is grounded in the latest peer-reviewed research, prioritizing safety and mechanism fit over hype.
Pepzilla provides educational information and does not prescribe medication, provide medical care, or create a doctor-patient relationship. Always consult your own licensed provider. Medical Disclaimer.
"Precision medicine starts with understanding your unique baseline."
Compounds profiled from research
"We focus on optimizing healthspan, not just lifespan."
"Data-driven protocols remove the guesswork from your biology."
Those who chose Pepzilla
“Finally, a straightforward guide to understanding which peptides actually match my goals. Down 18 lbs in three months.”

Alex M.
Weight Loss · Retatrutide stack
“The dosage and timing tracking makes the entire protocol feel effortless. I don't think about it anymore, I just follow it.”

Sarah T.
Longevity · NAD+ protocol
“I used to piece this together from forum threads and podcasts. This is exactly what I needed.”

James K.
Performance · GH axis blend
“Clear structure from day one. I know exactly what I'm taking, why, and when it should be tapered.”

Elena R.
Recovery · BPC-157 · TB-500
“The intelligence layer helps me compare options without the overwhelming medical jargon. A different tier entirely.”

Michael B.
Weight Loss · Semaglutide
“I joined right after a knee surgery. The recovery timelines in the app matched what my PT was telling me.”

Priya S.
Longevity · Epithalon cycle
“Finally, a straightforward guide to understanding which peptides actually match my goals. Down 18 lbs in three months.”

Alex M.
Weight Loss · Retatrutide stack
“The dosage and timing tracking makes the entire protocol feel effortless. I don't think about it anymore, I just follow it.”

Sarah T.
Longevity · NAD+ protocol
“I used to piece this together from forum threads and podcasts. This is exactly what I needed.”

James K.
Performance · GH axis blend
“Clear structure from day one. I know exactly what I'm taking, why, and when it should be tapered.”

Elena R.
Recovery · BPC-157 · TB-500
“The intelligence layer helps me compare options without the overwhelming medical jargon. A different tier entirely.”

Michael B.
Weight Loss · Semaglutide
“I joined right after a knee surgery. The recovery timelines in the app matched what my PT was telling me.”

Priya S.
Longevity · Epithalon cycle
“Sleep quality went up within the first week of the CJC-1295 stack. Training recovery followed.”

Marcus J.
Performance · CJC-1295 / Ipamorelin
“BPC-157 for my shoulder tendinitis. Four weeks in, the dull ache is gone. The dosage math saved me hours.”

Sam W.
Recovery · BPC-157
“Clearest onboarding I've seen in this space. I didn't feel like I was being sold to.”

Taylor K.
Weight Loss · Tirzepatide
“The research citations on each compound matter to me. Pepzilla shows their work.”

Chris O.
Performance · MOTS-c stack
“Doing a year-long plan for cellular health. The titration schedule removes all ambiguity.”

Nora L.
Longevity · Thymalin · NAD+
“I was skeptical. Two weeks in I bought the full stack. Joints feel better than they have in years.”

Jordan P.
Recovery · GHK-Cu
“Sleep quality went up within the first week of the CJC-1295 stack. Training recovery followed.”

Marcus J.
Performance · CJC-1295 / Ipamorelin
“BPC-157 for my shoulder tendinitis. Four weeks in, the dull ache is gone. The dosage math saved me hours.”

Sam W.
Recovery · BPC-157
“Clearest onboarding I've seen in this space. I didn't feel like I was being sold to.”

Taylor K.
Weight Loss · Tirzepatide
“The research citations on each compound matter to me. Pepzilla shows their work.”

Chris O.
Performance · MOTS-c stack
“Doing a year-long plan for cellular health. The titration schedule removes all ambiguity.”

Nora L.
Longevity · Thymalin · NAD+
“I was skeptical. Two weeks in I bought the full stack. Joints feel better than they have in years.”

Jordan P.
Recovery · GHK-Cu
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