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PPepIndex
Rank 6 of 55Data current · 11d ago

PeptidePlugs

PeptidePlugs (Austin Research Products LLC) publishes 122 lot-specific certificates through Freedom Diagnostics; PepIndex has indexed 103 that carry labeled and assayed mass and HPLC purity. Purity is consistently high, but fill accuracy varies across lots — several assay materially above or below the labeled mass. The site names three testing labs while claiming two.

Last verified · 103 certificate records · rubric v1.10.0 · peptideplugs.com

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PepIndex score

89.7 / 100

4.5/ 5Extensively documented

Data coverage

90%

Coverage is the share of scored fields we hold and corroborated for PeptidePlugs. A score built on a handful of unchecked claims and a score built on forty verified data points are not the same finding, so both numbers are always published together. How coverage is computed.

high

Strengths

  • Publishes 122 lot-specific certificates across its catalogue
  • Certificates are readable publicly, without an account
  • Testing laboratory named on certificates (Freedom Diagnostics Testing)
  • Operates under a named legal entity (Austin Research Products LLC)
  • Publishes a physical postal address
  • Prices are visible without an account

Weaknesses

  • No ISO/IEC 17025 accreditation recorded for the testing lab
  • No independent third-party reviews located

Regulatory & enforcement record

No adverse regulatory or enforcement action on record. We record authority actions — FDA warning letters, import alerts, seizures, criminal charges — when located. Self-reported reviews are deliberately not scored, because for this market they can be manufactured.

Recorded data pointsEvery field with its source, capture date and whether we corroborated it13 verified4 claimed2 not recordedView all →

A tag of verified means we opened the cited source and confirmed the value; published means we recorded the vendor’s own published information, taken at face value. Both count in full; only a value with no checkable source earns nothing. Fields older than 90 days are marked stale.

Testing

Testing laboratory
Freedom Diagnostics TestingVerified29 Aug 2026sourceFreedom Diagnostics public COA portal.
ISO/IEC 17025 accreditation
Not recordedNot recorded
Certificate granularity
Per batchVerified29 Aug 2026sourceRead on peptideplugs.com.
Certificate accessibility
publicVerified29 Aug 2026sourceRead on peptideplugs.com.
Labeled vs. actual mg published
YesVerified29 Aug 2026sourceFreedom Diagnostics public COA portal.
Historical certificates retained
Not recordedNot recorded

Business

Website
https://peptideplugs.comVerified29 Aug 2026editorial check
Legal entity
Austin Research Products LLCVerified29 Aug 2026sourceRead on peptideplugs.com.
Country
Not recordedNot recorded
Physical address
126 Holmes Rd #8, Liberty Hill, TX 78642Verified29 Aug 2026sourceRead on peptideplugs.com.
Contact channels
Sales@peptideplugs.com, 512-960-7885Verified29 Aug 2026sourceRead on peptideplugs.com.

Commercial

Pricing
ungatedVerified29 Aug 2026sourceRead on peptideplugs.com.
Payment methods
Zelle, PayPalVerified29 Aug 2026sourceRead on peptideplugs.com.
Guarantee / reship policy
Case by caseVerified29 Aug 2026sourceRead on peptideplugs.com.

Track record

Independent reviews located
Not recordedNot recorded
Mean sentiment (0–5)
Not recordedNot recorded
Complaint pattern
Not recordedNot recorded
Certificate recordsLot-level results with labeled versus assayed mass103 lots10.6% mean deviationView all →

Discrepancy is computed as the absolute difference between labeled and assayed mass, divided by the labeled mass. A vendor-published certificate is a claim; only an independently commissioned assay is treated as corroboration.

CompoundLotTestedLabLabeledAssayedDiscrepancyPuritySource
Retatrutide808210L-DKFreedom Diagnostics Testing10 mg10.85 mg8.5%99.9%Vendor-published
Retatrutide806220L-DKFreedom Diagnostics Testing20 mg21.21 mg6.1%99.9%Vendor-published
Retatrutide806230L-DKFreedom Diagnostics Testing30 mg31.83 mg6.1%100.0%Vendor-published
Retatrutide178-05WT-ZBFreedom Diagnostics Testing20 mg23.78 mg18.9%100.0%Vendor-published
GHK-Cu208100C-DKFreedom Diagnostics Testing100 mg116.79 mg16.8%99.8%Vendor-published
Epithalon703710L-DKFreedom Diagnostics Testing10 mg11.05 mg10.5%99.7%Vendor-published
SS-317208100C-DKFreedom Diagnostics Testing10 mg10.56 mg5.6%99.9%Vendor-published
Tirzepatide22130L-DKFreedom Diagnostics Testing30 mg30.12 mg0.4%99.9%Vendor-published
MOTS-c03510L-DKFreedom Diagnostics Testing10 mg11.09 mg10.9%99.9%Vendor-published
Semax101310L-DKFreedom Diagnostics Testing10 mg10.81 mg8.1%99.9%Vendor-published
Semaglutide135-02-ZBFreedom Diagnostics Testing20 mg24.19 mg21.0%99.9%Vendor-published
PT-141135-03-ZBFreedom Diagnostics Testing10 mg9.65 mg3.5%99.9%Vendor-published
Epithalon12606-DKFreedom Diagnostics Testing10 mg12.26 mg22.6%99.7%Vendor-published
Semaglutide189-02-DKFreedom Diagnostics Testing10 mg11.76 mg17.6%99.8%Vendor-published
Glutathione189-04-DKFreedom Diagnostics Testing1500 mg1526.79 mg1.8%99.9%Vendor-published
PT-141115-01-RBFreedom Diagnostics Testing10 mg8.64 mg13.6%99.2%Vendor-published
LL-37175-01-DKFreedom Diagnostics Testing5 mg5.57 mg11.4%99.7%Vendor-published
DSIP160-05-DKFreedom Diagnostics Testing10 mg11.31 mg13.1%99.2%Vendor-published
Melanotan I103-09-ZBFreedom Diagnostics Testing10 mg12.79 mg27.9%99.7%Vendor-published
Cagrilintide103-11-ZBFreedom Diagnostics Testing10 mg9.78 mg2.2%99.6%Vendor-published
Ipamorelin103-10-ZBFreedom Diagnostics Testing10 mg11.15 mg11.5%99.8%Vendor-published
Thymosin Alpha-1Red CapFreedom Diagnostics Testing10 mg10.18 mg1.8%99.2%Vendor-published
BPC-157161-620L-DKFreedom Diagnostics Testing20 mg20.86 mg4.3%99.6%Vendor-published
MOTS-c160-04-DKFreedom Diagnostics Testing40 mg40.41 mg1.0%99.5%Vendor-published
FOXO4-DRI103-08-ZBFreedom Diagnostics Testing10 mg11.33 mg13.3%99.1%Vendor-published
AOD-9604160-142L-DKFreedom Diagnostics Testing2 mg1.93 mg3.5%99.2%Vendor-published
Melanotan II160-710L-DKFreedom Diagnostics Testing10 mg10.48 mg4.8%99.7%Vendor-published
Retatrutide102-01-RBFreedom Diagnostics Testing10 mg11.06 mg10.6%99.8%Vendor-published
Retatrutide102-02-RBFreedom Diagnostics Testing30 mg31.41 mg4.7%99.6%Vendor-published
GHK-Cu103-02-RBFreedom Diagnostics Testing100 mg105.87 mg5.9%99.4%Vendor-published
Kisspeptin160-07-DKFreedom Diagnostics Testing10 mg9.46 mg5.4%99.8%Vendor-published
Tesamorelin160-310X-DKFreedom Diagnostics Testing10 mg10.99 mg9.9%99.9%Vendor-published
SS-31160-450X-DKFreedom Diagnostics Testing50 mg48.72 mg2.6%99.9%Vendor-published
SS-31160-450L-DKFreedom Diagnostics Testing50 mg51.51 mg3.0%99.9%Vendor-published
5-Amino-1MQ160-810L-DKFreedom Diagnostics Testing10 mg10.63 mg6.3%99.8%Vendor-published
5-Amino-1MQ160-850L-DKFreedom Diagnostics Testing50 mg50.57 mg1.1%99.5%Vendor-published
GHK-Cu160-670X-DLFreedom Diagnostics Testing100 mg97.18 mg2.8%99.8%Vendor-published
Retatrutide101-07-QBFreedom Diagnostics Testing30 mg36.29 mg21.0%99.9%Vendor-published
TB-500101-08-ZBFreedom Diagnostics Testing10 mg13.91 mg39.1%99.3%Vendor-published
KPV101-05-ZBFreedom Diagnostics Testing10 mg11.14 mg11.4%99.5%Vendor-published
AOD-9604155-01-DKFreedom Diagnostics Testing5 mg4.36 mg12.8%99.0%Vendor-published
5-Amino-1MQ101-03-ZBFreedom Diagnostics Testing10 mg11.04 mg10.4%99.8%Vendor-published
5-Amino-1MQ101-04-ZBFreedom Diagnostics Testing50 mg57.72 mg15.4%99.9%Vendor-published
Retatrutide101-01-ZBFreedom Diagnostics Testing10 mg12.32 mg23.2%99.8%Vendor-published
Selank148-04-DKFreedom Diagnostics Testing10 mg10.75 mg7.5%99.8%Vendor-published
Semax148-03-DKFreedom Diagnostics Testing10 mg12.28 mg22.8%99.8%Vendor-published
BPC-157148-01-DKFreedom Diagnostics Testing10 mg11.53 mg15.3%99.9%Vendor-published
MOTS-c149-01-DKFreedom Diagnostics Testing10 mg9.99 mg0.1%99.9%Vendor-published
Retatrutide152-01-DK-BLFreedom Diagnostics Testing10 mg10.46 mg4.6%99.8%Vendor-published
BPC-157152-02-SMFreedom Diagnostics Testing10 mg10.83 mg8.3%99.3%Vendor-published
GHK-Cu152-PRP-SMFreedom Diagnostics Testing100 mg92.55 mg7.5%99.7%Vendor-published
GHK-Cu151-BLU-DKFreedom Diagnostics Testing100 mg96.98 mg3.0%99.9%Vendor-published
SS-31144-01-DKFreedom Diagnostics Testing10 mg10.74 mg7.4%100.0%Vendor-published
KPV144-03-DKFreedom Diagnostics Testing10 mg8.94 mg10.6%99.8%Vendor-published
Tesamorelin143-02-DK-SLVFreedom Diagnostics Testing10 mg10.64 mg6.4%99.9%Vendor-published
Cagrilintide142-04-DKFreedom Diagnostics Testing10 mg9.21 mg7.9%99.9%Vendor-published
Retatrutide145-02-DKFreedom Diagnostics Testing30 mg29.92 mg0.3%99.3%Vendor-published
AOD-9604144-04-DK-BLFreedom Diagnostics Testing5 mg4.63 mg7.4%99.7%Vendor-published
Tesamorelin136-02-SM-WTFreedom Diagnostics Testing10 mg10.17 mg1.7%99.8%Vendor-published
Glutathione137-02-SMFreedom Diagnostics Testing1500 mg1516.27 mg1.1%99.6%Vendor-published
IGF-1 LR3140-01-DKFreedom Diagnostics Testing1 mg1.26 mg26.0%99.1%Vendor-published
TirzepatideClear Cap/Silver CrimpFreedom Diagnostics Testing60 mg59.37 mg1.1%100.0%Vendor-published
VIP138-01-SMFreedom Diagnostics Testing10 mg9.37 mg6.3%99.8%Vendor-published
SNAP-8141-01-DKFreedom Diagnostics Testing10 mg9.32 mg6.8%99.7%Vendor-published
Ipamorelin142-04-DKFreedom Diagnostics Testing10 mg9.31 mg6.9%99.8%Vendor-published
ARA-290142-01-DKFreedom Diagnostics Testing10 mg10.43 mg4.3%99.8%Vendor-published
Melanotan I142-02-DKFreedom Diagnostics Testing10 mg10.07 mg0.7%99.9%Vendor-published
DSIP142-03-DKFreedom Diagnostics Testing10 mg11.1 mg11.0%99.5%Vendor-published
Thymosin Alpha-1SM-140-10Freedom Diagnostics Testing10 mg11.29 mg12.9%99.9%Vendor-published
SermorelinDK-132-09Freedom Diagnostics Testing10 mg11.1 mg11.0%99.1%Vendor-published
MOTS-cDK-134-BZFreedom Diagnostics Testing40 mg38.86 mg2.9%99.5%Vendor-published
MOTS-cSM-140-GNFreedom Diagnostics Testing40 mg46.62 mg16.5%99.4%Vendor-published
BPC-157GGB-03-BLFreedom Diagnostics Testing20 mg23.44 mg17.2%99.1%Vendor-published
Retatrutide126-01-SMFreedom Diagnostics Testing10 mg11.71 mg17.1%100.0%Vendor-published
Retatrutide124-03-SMFreedom Diagnostics Testing20 mg25.14 mg25.7%99.9%Vendor-published
Retatrutide124-04-SMFreedom Diagnostics Testing30 mg31.61 mg5.4%98.9%Vendor-published
Kisspeptin126-02-SMFreedom Diagnostics Testing10 mg9.4 mg6.0%99.5%Vendor-published
SS-31122-02-DKFreedom Diagnostics Testing50 mg49.48 mg1.0%99.9%Vendor-published
5-Amino-1MQ124-02-SMFreedom Diagnostics Testing50 mg58.52 mg17.0%99.7%Vendor-published
Semax122-A-SFreedom Diagnostics Testing10 mg10.87 mg8.7%99.8%Vendor-published
Selank121-A-DFreedom Diagnostics Testing10 mg9.46 mg5.4%99.9%Vendor-published
SS-31121-A-DFreedom Diagnostics Testing10 mg11.2 mg12.0%99.9%Vendor-published
TB-500122-A-SFreedom Diagnostics Testing10 mg10.9 mg9.0%99.1%Vendor-published
GHK-Cu121-A-DFreedom Diagnostics Testing100 mg109.81 mg9.8%99.9%Vendor-published
Melanotan II120-A-SFreedom Diagnostics Testing10 mg9.68 mg3.2%99.7%Vendor-published
AOD-9604112-UFreedom Diagnostics Testing5 mg5.03 mg0.6%99.8%Vendor-published
Retatrutide113-A-DKFreedom Diagnostics Testing10 mg11.66 mg16.6%99.9%Vendor-published
PT-141112-UFreedom Diagnostics Testing10 mg8.58 mg14.2%99.9%Vendor-published
Selank114-SMFreedom Diagnostics Testing10 mg6.86 mg31.4%99.8%Vendor-published
Retatrutide113-A-DKFreedom Diagnostics Testing15 mg16.65 mg11.0%99.9%Vendor-published
Epithalon115-B-DKFreedom Diagnostics Testing10 mg10.57 mg5.7%99.7%Vendor-published
Retatrutide113-A-DKFreedom Diagnostics Testing30 mg32.47 mg8.2%99.9%Vendor-published
5-Amino-1MQ112-U-AFreedom Diagnostics Testing10 mg11.54 mg15.4%99.8%Vendor-published
KPV112-U-AFreedom Diagnostics Testing10 mg9.41 mg5.9%99.7%Vendor-published
TB-5002603100104Freedom Diagnostics Testing10 mg11.74 mg17.4%99.2%Vendor-published
BPC-1572603100105Freedom Diagnostics Testing10 mg11.38 mg13.8%99.0%Vendor-published
Semax2603100107Freedom Diagnostics Testing10 mg11.69 mg16.9%99.7%Vendor-published
Tirzepatide005-BFreedom Diagnostics Testing30 mg32.79 mg9.3%99.8%Vendor-published
GHK-Cu005-BFreedom Diagnostics Testing100 mg92.24 mg7.8%99.8%Vendor-published
MOTS-c2602150176Freedom Diagnostics Testing10 mg11.97 mg19.7%99.8%Vendor-published
Tesamorelin2602150177Freedom Diagnostics Testing10 mg13.09 mg30.9%99.7%Vendor-published
Retatrutide2602150178Freedom Diagnostics Testing10 mg12.93 mg29.3%99.8%Vendor-published
Retatrutide002-AFreedom Diagnostics Testing10 mg12.47 mg24.7%99.5%Vendor-published

Compounds carried

What the research says about what PeptidePlugs sells

A vendor’s score measures what it can demonstrate about its testing. It says nothing about whether the compounds it lists have evidence behind them — those are separate questions, and the digests above answer the second one.

How this score was calculatedEvery signal, its weight and the arithmetic — reconstructable by handrubric v1.10.0View calculation →

Each criterion is scored out of 100 over the signals we could assess, then weighted into the overall figure. Within a criterion, a signal contributes weight × merit × credit: merit is how good the recorded value is, credit is what its provenance earns — 1.00 for a value with a checkable source, 0 for a value recorded without one. A missing signal counts as a partial gap — half its weight — so a vendor that publishes what others leave blank scores higher, while a blank still costs; a value recorded without a source counts in full and earns nothing, so omitting one can never raise a score. A criterion with no data at all — track record when no independent reviews are locatable — is set aside and the remaining weights renormalised; the coverage figure, shown alongside, reports how complete the assessment is.

Testing transparency

80 / 100 · weight 26% → 20.8

Is the testing lab named? Is it ISO/IEC 17025 accredited? Are certificates of analysis lot-specific, and can anyone read them without an account?

SignalRecorded valueProvenanceWeightMeritCreditPoints
Testing lab is namedA specific laboratory is identified, so the assay can be traced.Freedom Diagnostics TestingFreedom Diagnostics public COA portal.Verified29 Aug 2026 · source11.001.001.00 / 1
Lab holds ISO/IEC 17025 accreditationNot recorded.—Not recorded40.00not recorded0.00 / 4
Certificate granularityCertificates cover a batch rather than an individual lot.Per batchRead on peptideplugs.com.Verified29 Aug 2026 · source30.601.001.80 / 3
Certificates readable without an accountAnyone, including us, can read the certificates without registering.PublicRead on peptideplugs.com.Verified29 Aug 2026 · source41.001.004.00 / 4
Recognised testing laboratory103 of 103 certificates name a real, identifiable testing laboratory (a known lab, or a clearly independent one). Certificates with no named lab, or where the "lab" is just the vendor's own name, do not count — anyone can print those.103 / 103 recognised labPublished26 Aug 2026 · source61.001.006.00 / 6
Testing transparency subtotal · coverage 78%12.80 / 18

Documentation depth

82.8 / 100 · weight 22% → 18.2

Does the vendor publish labeled-versus-actual milligram figures, retain historical certificates, and how large are the discrepancies we can measure?

SignalRecorded valueProvenanceWeightMeritCreditPoints
Labeled vs. actual mg publishedQuantitative fill data is published, not only a purity percentage.PublishedFreedom Diagnostics public COA portal.Verified29 Aug 2026 · source11.001.001.00 / 1
Historical certificates retainedNot recorded.—Not recorded30.00not recorded0.00 / 3
Certificates the vendor publishes122 certificates located, 103 of them indexed with readable results; full credit at six.122 published, 103 indexedPublished26 Aug 2026 · source71.001.007.00 / 7
Labeled vs. actual discrepancyMean absolute deviation between labeled and assayed mass across 103 certificates. Zero scores full marks; 10% or worse scores nothing.10.6% meanPublished26 Aug 2026 · source10.001.000.00 / 1
Certificate recencyThe most recent certificate is dated 2026-08-26, about 0 months ago. Certificates within a year score full marks; two years or older scores nothing.newest 2026-08-26Published26 Aug 2026 · source41.001.004.00 / 4
Documentation depth subtotal · coverage 81%12.00 / 16

Price & value

100 / 100 · weight 20% → 20

How the vendor’s per-milligram prices for a standard basket of common compounds compare to the market. Priced below the peer median scores higher; well above it scores lower. An overpriced vendor cannot outrank a comparably documented, better-priced one.

SignalRecorded valueProvenanceWeightMeritCreditPoints
Price vs market ($/mg)Priced about 45% below the peer median per milligram across a standard basket — better value than the typical vendor.55% of medianPrice index 54.6% of peer median across 3 compounds (0 outliers dropped): bpc-157 $3/mg, tb-500 $4/mg, ipamorelin $3.5/mg.Verified31 Aug 2026 · source101.001.0010.00 / 10
Price & value subtotal · coverage 100%10.00 / 10

Track record

100 / 100 · weight 12% → 12

Adverse regulatory or enforcement action on record — warning letters, import alerts, seizures, criminal charges. Authority-issued and publicly verifiable. Self-reported reviews are deliberately not scored: for this market they can be manufactured.

SignalRecorded valueProvenanceWeightMeritCreditPoints
Regulatory & enforcement recordNo adverse regulatory or enforcement action on record. Authority actions — warning letters, import alerts, seizures, criminal charges — are recorded here when located; self-reported reviews are deliberately not scored, because for this market they can be manufactured.None on recordVerified9 Sept 2026101.001.0010.00 / 10
Track record subtotal · coverage 100%10.00 / 10

Business transparency

100 / 100 · weight 12% → 12

Is a legal entity named, is there a physical address, and can the vendor be reached?

SignalRecorded valueProvenanceWeightMeritCreditPoints
Named legal entityA registered entity is named, so there is someone to hold responsible.Austin Research Products LLCRead on peptideplugs.com.Verified29 Aug 2026 · source31.001.003.00 / 3
Physical address publishedA postal address is published.126 Holmes Rd #8, Liberty Hill, TX 78642Read on peptideplugs.com.Verified29 Aug 2026 · source21.001.002.00 / 2
Contact channelsDistinct contact routes we could identify. Full credit at two.sales@peptideplugs.com, 512-960-7885Read on peptideplugs.com.Verified29 Aug 2026 · source21.001.002.00 / 2
Business transparency subtotal · coverage 100%7.00 / 7

Commercial clarity

83.3 / 100 · weight 8% → 6.7

Is pricing visible without an account, is there a stated guarantee or reship policy, and are payment methods disclosed?

SignalRecorded valueProvenanceWeightMeritCreditPoints
Pricing visible without an accountPrices are published openly and can be compared.UngatedRead on peptideplugs.com.Verified29 Aug 2026 · source41.001.004.00 / 4
Guarantee / reship policyWhether the published policy states an outcome in advance or leaves it to discretion.Case by caseRead on peptideplugs.com.Verified29 Aug 2026 · source30.501.001.50 / 3
Payment methods disclosedDisclosed payment routes. Full credit at three.Zelle, PayPalRead on peptideplugs.com.Verified29 Aug 2026 · source10.671.000.67 / 1
Payment offers buyer recourseAccepts a payment method with buyer recourse — cards or wallets a processor underwrote, so a chargeback is possible if an order goes wrong.Card / recourseRead on peptideplugs.com.Verified29 Aug 2026 · source31.001.003.00 / 3
Commercial clarity subtotal · coverage 100%9.17 / 11

Total

CriterionSubscoreWeightContributionCoverage
Testing transparency8026%20.878%
Documentation depth82.822%18.281%
Price & value10020%20100%
Track record10012%12100%
Business transparency10012%12100%
Commercial clarity83.38%6.7100%
Computed score100%89.790%

Rubric v1.10.0 · 13 verified, 4 claimed, 0 unsourced, 2 not recorded, 0 stale of 19 scored signals

Community

Reviews

Reader reviews are community context only — they are never part of PeptidePlugs’s computed PepIndex score, which is built from evidence alone.

No reviews yet. .