Maximum Peptides
A·82B2B-friendly supplier serving research labs and academic institutions.
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- Testing methods
- HPLC purity (≥99%)
- Testing lab
- Not publicly disclosed.
- Most recent COA
- Not publicly posted.
- OpenAssay score ↗
- — pending integration with openassay.org.
- Testing transparency25/40
Public 7-category testing rubric grade plus disclosed testing methods plus a named third-party lab. The full range is gated on the vendor publicly naming the tests they run; a high rubric grade without disclosure caps at 18 of 40.
- Operational & regulatory standing22/25
Reflects FDA actions, payment-processor issues, ownership uncertainty, closures, and editorial audit notes the vendor-risk monitor has surfaced. A recent published COA earns a small bonus on top of the operational base.
- Operational stability15/15
Vendor age. 5+ years of operation earns full points; 1 year or less earns minimal credit. Absent foundedYear earns a neutral default; absence of data is not proof of risk.
- Verification tier10/10
Editorial tier assignment based on documentation completeness, response to corrections, and presence of verifiable business address. Tier 1 vendors meet the highest bar.
- Price discipline10/10
Heuristic check on aggressive discounting. Reasonable codes (<=25%) earn full points; 25-40% earns half; >40% off list often signals inventory clearance or churn and earns zero.
Editorial read of how this vendor lands today
Phase-1 community-sentiment write-up — Pepticker editorial's read of forum activity (r/Peptides, our Discord, prior incidents) at the date below. Not a user-submitted review. The 7-category rubric scoring and trust score are computed separately.
Maximum Peptides has built a B2B-aligned catalog with ≥99% HPLC documentation — serving research labs and institutions with a purity commitment and pricing that works for higher-volume procurement.
Why we recommend Maximum Peptides
Maximum Peptides (founded 2021) has an explicit B2B orientation: serving research labs and academic institutions rather than individual buyers. That positioning shapes everything from catalog design to documentation standards. HPLC purity at ≥99% is the stated threshold — the same level as Peptide Warehouse and Peptide Partners — reflecting the higher documentation bar that institutional buyers impose. Testing score: 5.5 out of 7. Discount code MX10 gives 10% off.
Testing & COA practices
HPLC purity at ≥99% is documented. The institutional customer base is an indirect quality accountability mechanism — research labs have QA processes that validate vendor materials; consistent institutional repeat business implies the testing claims hold up under scrutiny. Our /methodology counts the ≥99% commitment as a positive purity signal even without a named external lab, which is why the testing score is at 5.5 rather than lower. Our 4 May 2026 verification confirmed operational status.
Product range and pricing
The catalog covers US research peptide staples, organized for lab-friendly procurement. Shipping is $9.95 domestic. The B2B positioning may mean better volume pricing for institutional buyers than individual researchers would find at retail-oriented vendors. Discount code MX10 provides 10% off standard orders.
Where they fall short
No named external testing lab is documented — the HPLC claims are stated but not attributable to an identifiable third-party facility. No mass-spec identity, endotoxin, or sterility testing. Individual retail buyers may find the B2B-oriented UX less convenient than consumer-focused vendors. Founded in 2021, community retail track record is shorter than older tier-1 peers.
Bottom line
Maximum Peptides is the right call for institutional and lab purchasers who want a vendor oriented to B2B service with a ≥99% HPLC purity commitment. For individual researchers, the institutional orientation may mean a less polished retail experience compared to consumer-focused tier-1 vendors. Use code MX10.
- ✓Identity verified
- ✓Net content confirmed
- ✓Net purity ≥ 97%
- ✓Endotoxin tested
- ✓Sterility tested
- ✓Heavy metals screened
- ·Conformity documented
Our vendor-risk monitor tracks closures, payment-processor issues, FDA actions, and community sentiment. No active issues detected.
MX1010% offCode may be expired (last verified 1d ago)Tracked SKUs
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