// 01 · RETA-5
5 mg
Retatrutide
- PURITY
- 99.7%
- BATCH
- 2026-04-B
- FORM
- Lyophilized
- STORAGE
- 2-8 °C
Lab testPer batch
PriceIn pinned post (range)
RequestDM via Telegram
SHIPPING
WITHIN 3 DAYS
// 00 · GREY PROTOCOL
Single vials. Sourcing. Protocols.
Buy, source and evaluate more intelligently.
For people who take peptides seriously for body composition, recovery and performance. Vials from stock, sourcing from China, protocols with sources.
Single vials in stock
Sourcing from China
Protocols with sources
Shipping 3 days NL
// 01 · THREE ROUTES
Choose your route.
Three routes. Choose what fits where you are: quickly get a vial, learn to source independently, or evaluate protocols intelligently.
Start quickly with individual vials.
Choose a batch from stock, check the details and request directly via Telegram.
- Individual vials from Dutch stock
- Batch, purity and storage visible
- Request via DM
For those who want to start quickly without sourcing themselves.
Learn to buy from China yourself.
Understand suppliers, price ranges, payment, transport and risks before you source yourself.
- Evaluate suppliers
- Understand payment and transport
- Recognize scams and pricing errors
For those who do not want to remain dependent on vendors.
Learn to evaluate protocols intelligently.
See dosage, timing, combinations, supplements, benefits, downsides, monitoring and sources in one protocol.
- Dosage and build-up
- Stacks and supplements
- Monitoring and risks
For those who want to understand how a protocol is evaluated.
// 02 · SINGLE VIALS
Single vials.
Individual vials from Dutch stock. For each batch we show purity, batch number, form and storage. Request via Telegram.
// VIALS / IN STOCK
// 02 · GLOW
BLEND
Glow
- PURITY
- 99.4%
- BATCH
- 2026-03-A
- FORM
- Lyophilized
- STORAGE
- 2-8 °C
Lab testPer batch
PriceIn pinned post (range)
RequestDM via Telegram
SHIPPING
WITHIN 3 DAYS
// 03 · BPC-5
5 mg
BPC-157
- PURITY
- 99.6%
- BATCH
- 2026-04-A
- FORM
- Lyophilized
- STORAGE
- 2-8 °C
Lab testPer batch
PriceIn pinned post (range)
RequestDM via Telegram
SHIPPING
WITHIN 3 DAYS
The full batch list and prices are pinned in the channel.
Open batch list// 03 · SOURCING
Learn to source yourself.
For those who want to learn how sourcing from China works: identifying and evaluating suppliers, understanding price ranges, avoiding scams, paying safely, and understanding transport and documentation. Not dry documentation, but practical guides.
// SRC / IMPORT-101
24 PAGES
First import. Step by step.
How to start, how to identify suppliers, and how to arrange a first order without hassle.
// SRC / SUPPLIERS
LIVE LIST
Verified suppliers.
Contact list, price ranges, how to recognize reliable suppliers and avoid scams.
// SRC / PAYMENT
12 PAGES
Pay without hassle.
Explanation of SEPA, crypto and international payments: when to pay, what to watch for and how to limit risk?
// SRC / SHIPPING
8 PAGES
Shipping and documentation.
Which routes work, which documents you need and which risks to avoid during transport.
// 04 · PROTOCOLS
Protocols. Concrete and evidence-based.
Understand what you are evaluating, and why. Protocols show how a peptide works in practice: dosage, build-up, combinations, supplements, benefits, downsides and monitoring. Backed by scientific sources. Educational, no medical advice.
// 01 · DOSAGE
How much, how often, how long
Research-published ranges and build-up from study protocols and peer-reviewed literature.
// 02 · BUILD-UP & TIMING
When to start and in which phase
Administration routes, frequency, build-up and taper phases according to trial protocols.
// 03 · COMBINATIONS
What stacks logically, and what does not
Which peptides are used together in research, and with what evidence base.
// 04 · SUPPLEMENTS
What belongs alongside it according to studies
Co-supplements mentioned alongside peptides in research, including the rationale.
// 05 · BENEFITS
What research reports
Effects on body composition, recovery and metabolic markers as described in studies. No claims, no guarantees.
// 06 · DOWNSIDES & RISKS
What can go wrong, and for whom
Side effects, contraindications and risks from published research, with DOI and PubMed sources.
// 07 · MONITORING
Which markers to monitor
Lab values and markers monitored in studies, with reference values from publications.
// 08 · SOURCES & UPDATES
Verifiable and maintained
Full bibliography per protocol, with version history and updates when new publications appear.
What is in a protocol PDF?
Table of contents and core table from a Grey Protocol document. Full text, dosage tables and bibliography are in the PDF.
| Section | Content (summary) | Source / reference |
|---|---|---|
| Dosage | Research dosage 0.25 to 12 mg per week, built up according to trial protocol. | NCT05295433, NEJM 2023 |
| Build-up & timing | Subcutaneous, weekly. Titration every 4 weeks as in phase 2/3 trials. | NEJM 2023 |
| Combinations | Stand-alone in trial. Literature on GLP-1, GIP and glucagon activity. | Study protocols |
| Supplements | Vitamin B12 and magnesium are mentioned in research. Not a prescription. | Lit. ref. |
| Benefits | Effects on body composition and metabolic markers in trial context. Results vary. | NEJM 2023 |
| Downsides & risks | Nausea, gastrointestinal effects, fatigue. Liver monitoring described. | NEJM 2023, EMA |
| Monitoring | Weight, HbA1c, liver enzymes, heart rate. | Study protocols |
| Sources | Full DOI and PubMed IDs in the PDF. | Bibliography |
| Disclaimer | Educational document. No medical advice. Not intended for human consumption. Verify sources independently. | |
// PROTOCOL LIBRARY / PDF · EN
// PROTO / GLP-1
12 PAGES
Retatrutide protocol.
Dosage, build-up, monitoring and literature. Practical and evidence-based.
- Dosage and titration from phase 2/3 trials
- Weekly subcutaneous protocol
- Combination and supplement references
- Benefits and downsides according to literature
- Monitoring: weight, glucose, liver
- DOIs and NCT IDs
// PROTO / RECOVERY
10 PAGES
BPC-157 protocol.
Dosage ranges, tissue recovery literature and monitoring points.
- Dosage from preclinical and pilot studies
- Combinations with TB-500 in literature
- Monitoring: tissue markers, inflammation index
- Side effects and contraindications
- DOIs and PubMed IDs
// PROTO / GH-AXIS
12 PAGES
Ipamorelin protocol.
Dosage and GH-axis monitoring from published literature.
- Dosage from clinical studies
- Monitoring: IGF-1, sleep, body composition
- Combinations with GH secretagogues
- Side effects and contraindications
- DOIs and PubMed IDs
// PROTO / SKIN
8 PAGES
GHK-Cu protocol.
Administration routes, monitoring points and literature.
- Subcutaneous vs. topical routes from literature
- Monitoring: skin markers, collagen indices
- Side effects and contraindications
- Combination and supplement references
- DOIs and PubMed IDs
Educational document. All protocols are compiled from publicly available scientific literature. No medical advice. No personal usage instruction or medical treatment plan. Verify sources independently.
// 05 · PROOF
Every batch is tested.
For each batch we list batch number, test date, method and purity. Request batch-specific details in the channel before placing a request.
Request batch detailsAfter clicking, the channel opens. Mention the batch number you want to verify in your DM.
// 06 · PROCESS
How requests work.
No webshop. A clear process in five steps.
-
// STEP 01
View batch
Open the batch list and choose a product with the desired batch and purity.
-
// STEP 02
Check details
Check batch number, test date, method and stock status in the pinned post.
-
// STEP 03
Send DM
Mention product and batch number in a DM on Telegram.
-
// STEP 04
Confirm and pay
Price and details per drop. Payment by SEPA or crypto.
-
// STEP 05
Tracking
Discreet packaging, tracking link after payment. Shipping within three days in NL.
No webshop. A clear process.
// 07 · FAQ
Frequently asked questions.
For people who take peptides seriously for body composition, recovery and performance. For those who do not buy blindly, but want to understand what works, where it comes from and how to evaluate it.
Single vials: fast access, individual vials from stock. Sourcing: learn to buy from China yourself, identify suppliers, pay and arrange transport. Protocols: dosage, build-up, combinations, supplements, benefits, downsides and monitoring with scientific sources.
In the Netherlands, possession of research peptides for research purposes is permitted. Products are supplied as laboratory reagents. Human consumption is excluded.
Each batch has a test report with batch number, purity, method and test date. It is prepared by an independent lab outside the supply chain. Request batch-specific details via Telegram.
Each protocol includes dosage and build-up, frequency and timing, combinations, supplements, literature-based benefits, downsides and risks, contraindications, monitoring, lab values and scientific sources (DOI, PubMed, NCT). Educational and literature-based. No medical advice, no guarantee.
Current prices and price ranges are listed in the pinned Telegram post and updated with new drops.
Stock is updated around drops. The most current status is always on Telegram.
SEPA or crypto. Discreet packaging, tracking link after payment. Shipping within three days in NL. Details per drop are posted in the channel.
Open the Telegram channel. Drops, stock, sourcing guides and protocols are pinned. Request via DM, pay by SEPA or crypto, and receive a tracking link after payment.
Privacy is built in intentionally. We work with batch numbers, protocols and direct communication, not customer profiles. The batch data leads, not the identity.
Send your question via Telegram. Mention a product or batch number if relevant, so we can answer precisely.
// 08 · ACCESS
Everything is ready in the channel.
Single vials, sourcing guides and protocols. Open the batch list, sourcing guide or protocol library directly in Telegram. Updates appear only when stock or batch status changes.
Open Grey Protocolt.me/greyprotocolnl
Or send a question directly via Telegram
Grey Protocol
t.me/greyprotocolnl
LIVE
📌 Pinned
BATCH LIST · vials, sourcing guides and protocols.
Updated after every drop.
DROP · Retatrutide 5mg.
Lab test available · batch 2026-04-B · 99.7%.