30%
Testing
Depth of Certificate-of-Analysis coverage.
Independent · Nov 2026 · 4 vendors tracked · Japan
One vendor.
Not a top-10.
Every vendor is scored on the same five axes — Testing, Purity, Japan-Friendliness, Value, Trust. Flagged vendors never enter the recommendation. The methodology is public before the pick.
20%
Purity
Stated typical purity, corroborated by lab reports.
15%
Japan-Friendliness
Japan warehouse or duty-paid delivery, JPY card payment, Japanese-language support, delivery time.
15%
Value
Price versus evidence.
20%
Trust
Time in market, third-party review volume and authenticity, incident history.
RANK_01 · Editor's pickVID-PARTICLE
Particle Peptides
Slovakia (ships to Japan) · SK · founded 2014
7.8/10
99.8% purity6-param COA
Testing
9.0
Purity
9.0
JP
6.0
Value
8.0
Trust
6.0
Interactive · 4 questions · 30 seconds
The vendor finder.
Tell us your priorities — we'll name one.
No email required. The finder runs your answers against our weighted scorecard and returns one specific vendor — not a "top 10." Below is a taster: answer the first question to see a live recommendation, or take the full 4-question version →
Q 01 · PRIORITY
What matters most?
▸ Answer to see result
Particle Peptides
Slovakia (ships to Japan) · SK · since 2014
Slovak (EU) vendor whose current lots are tested by one Czech laboratory, Liquilabs: assay, HPLC purity, FTIR and retention-time identity, microbial counts, LAL endotoxin and eleme…
Composite score7.8/10
Stated purity99.8%
Testing params6
Price band¥4,678–¥21,931
Leaderboard
The top six. By composite score.
| # | Vendor | HQ | Testing | Purity | JP | Reviews | Score | |
|---|---|---|---|---|---|---|---|---|
| 01 | Particle PeptidesVID-PARTICLE | SK | 6-param | 99.8% | No | — | Review → | |
| 02 | SwissChemsVID-SWISSCHE | US | 2-param | 99.3% | No | — | Review → | |
| 03 | Pharma Lab GlobalVID-PHARMA-L | GB | 3-param | 99.4% | No | 2/5 · Trustpilot | Review → | |
| 04 | PepsupVID-PEPSUP | NL | 1-param | 99% | No | — | Review → |
Price index · single vials, per vial
Same peptide. Different prices by up to 5×.
Reference compounds
BPC-157 5 mg
2 vendors · lowest ¥4678 · highest ¥6188 · +32% spread
Particle PeptidesVID-PARTIC · SK
¥4678
SwissChemsVID-SWISSC · US
¥6188
Head-to-head
Pick any two. See every parameter.
Parameter
VID-PARTICLE · SK
VID-PHARMA-L · GB
Composite score
7.8/10
5.4/10
Vendor ID
VID-PARTICLE
VID-PHARMA-L
Headquarters
Slovakia (ships to Japan)
UK (ships to Japan)
Founded
2014
2015
Stated purity
99.8%
99.4%
COA params
6 — HPLC, MS identity, FTIR
3 — HPLC, Janoshik third-party, Amount per vial
Japan warehouse
No
No
Price band
¥4,678–¥21,931
¥2,511–¥11,889
Shipping free at
—
—
Reviews
—
2/5 · 27 · Trustpilot
Affiliate
10%
—
GDPR
Compliant
Compliant
Payment
Card
Credit card, Bank transfer, Cryptocurrency
Flag status
Clear
Clear