Source Peptides

US seller★ 4.1 ± 0.1 · Under 50 external reviews

certificates on file

22 / 29

peptides covered

$35–135

35 prices

30 / 60

Peptide Scanner score · see why ↓Visit website

Is Source Peptides legit? What the records show

We have tracked Source Peptides since Nov 2026 and follow 35 of their products, covering 29 peptides. Prices run from $35.00 to $135.00. On their own certificates, 8 of 92 measured vials are more than 3% over or under the amount on the label.

Check it yourself: find the report number or QR code on a certificate and look it up on the lab's own website.

30 / 60

Higher than 94% of the 894 shops we score

Max 60 until we lab-test them.

Source Peptides 30

Typical shop 16Best 35060

The shaded part is the shops Source Peptides scores higher than.

Our lab testLocked / 40Not tested yet

We have not sent a Source Peptides product to an independent lab yet, so these 40 points are locked. The lab report will go on this page when we do.

Reviews6.4 / 20Good rating, few reviews

External review sites: ★ 4.1 ± 0.1 average, from under 50 reviews. We show a range because sites round their ratings differently.

That gives 6.4 of 20.

Community1.5 / 15Little or no talk found

We found little to no forum or Reddit talk about them. Nobody has left a review on Peptide Scanner yet.

That gives 1.5 of 15.

Certificates21.8 / 2522 of 29 peptides covered

Publishing: 12.3 of 15. We hold 51 lab certificates from their website, naming Vanguard Laboratory. We found 3 of the 51 on the issuing lab's own website (not every lab has a public lookup). 22 of the 29 peptides we track have a matching certificate from an independent lab (any size counts). 0 of the 51 certificates include a contamination test (endotoxin, sterility or heavy metals). 34 of 34 dated certificates were issued in the last 6 months. Newest: Oct 2026 (3 weeks old). Oldest: May 2026. 1 more has no readable date.

Claims match: 9.5 of 10. Their own certificates against their claims: 31 of 34 measured vials are within 3% of the label (3 overfilled); 0 of 25 certificates fall below the 99% purity they advertise.

Their claims against their certificates: 8 of 92 measured vials off label.

A certificate is the shop's own document. It is not our test.

Tap a row for details. How the score works

Source Peptides reviews

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Source Peptides prices

Checked 7 Nov 2026

Pinealon10mg$35.00$3.50/mgCertificate Lab namedPurity + identityIssued Sept 2026Visit

Selank5mg$35.00$7.00/mgCertificate (10mg) Lab namedPurity + identity + amountIssued Aug 2026Visit

Semax5mg$35.00$7.00/mgCertificate (10mg) Lab namedPurity + identity + amountIssued Jul 2026Visit

MOTS-c10mg$45.00$4.50/mgCertificate Lab namedPurity + identity + amountIssued Sept 2026Visit

PE-22-2810mg$45.00$4.50/mgNone on fileVisit

Oxytocin5mg$45.00$9.00/mgCertificate Lab namedPurity + identity + amountIssued May 2026Visit

Melanotan II10mg$45.00$4.50/mgCertificate Lab namedPurity + identity + amountIssued Jun 2026Visit

Kisspeptin10mg$45.00$4.50/mgCertificate Lab namedPurity + identity + amountIssued Jun 2026Visit

Show all 35 prices ↓Showing all 35 prices

ARA-29010mg$45.00$4.50/mgCertificate Lab namedPurity + identityIssued Aug 2026Visit

TB-5005mg$45.00$9.00/mgCertificate (10mg) Lab namedPurity + identity + amountIssued Jul 2026Visit

Semax10mg$45.00$4.50/mgCertificate Lab namedPurity + identity + amountIssued Jul 2026Visit

Selank10mg$45.00$4.50/mgCertificate Lab namedPurity + identity + amountIssued Aug 2026Visit

GHK-Cu50mg$45.00$0.90/mgCertificate Lab namedPurity + identityIssued Jul 2026Visit

Cartalax20mg$50.00$2.50/mgCertificate Lab namedPurity + identity + amountIssued Sept 2026Visit

Epithalon10mg$50.00$5.00/mgCertificate Lab namedPurity + identity + amountIssued Aug 2026Visit

PT-14110mg$50.00$5.00/mgCertificate Lab namedPurity + identity + amountIssued Jun 2026Visit

AOD-96045mg$55.00$11.00/mgCertificate Lab namedPurity + identity + amountVisit

GHK-Cu100mg$55.00$0.55/mgCertificate Lab namedPurity + identity + amountIssued Oct 2026Visit

GHRP-610mg$55.00$5.50/mgCertificate Lab namedPurity + identity + amountIssued Aug 2026Visit

CJC-12955mg$55.00$11.00/mgNone on fileVisit

Ipamorelin10mg$55.00$5.50/mgCertificate Lab namedPurity + identity + amountIssued Jun 2026Visit

BPC-15710mg$55.00$5.50/mgCertificate Lab namedPurity + identity + amountIssued Jun 2026Visit

TB-50010mg$60.00$6.00/mgCertificate Lab namedPurity + identity + amountIssued Jul 2026Visit

IGF-1 LR31mg$65.00$65.00/mgNone on fileVisit

VIP10mg$65.00$6.50/mgCertificate Lab namedPurity + identity + amountIssued Aug 2026Visit

NAD+500mg$70.00$0.14/mgCertificate Lab namedPurity + identityIssued Aug 2026Visit

Thymosin Alpha-110mg$70.00$7.00/mgNone on fileVisit

DSIP10mg$70.00$7.00/mgNone on fileVisit

Adamax10mg$75.00$7.50/mgNone on fileVisit

KPV10mg$75.00$7.50/mgNone on fileVisit

LL-3710mg$85.00$8.50/mgCertificate Lab namedPurity + identityIssued Aug 2026Visit

Tesamorelin10mg$89.00$8.90/mgCertificate Lab namedPurity + identity + amountIssued Jun 2026Visit

NAD+1000mg$100.00$0.10/mgCertificate Lab namedPurity + identity + amountIssued Sept 2026Visit

Cagrilintide10mg$110.00$11.00/mgCertificate Lab namedPurity + identity + amountIssued Sept 2026Visit

MOTS-c40mg$135.00$3.38/mgCertificate Lab namedPurity + identity + amountIssued Jul 2026Visit

Ships to: United States

Their certificates vs their claims

No site-wide purity promise found on their website. Vial content is still checked against the label.

certificates read: 101
vials outside ±3% of label: 8 / 92
beyond ±10% (major): 5
site-wide purity claim to check: None

On label, within ±3%Off label, 3 to 10%Major, beyond ±10%

How this is checked

Vial content: Measured net peptide content against the size on the label. Within ±3% is on label, 3 to 10% is off label, beyond ±10% is a major deviation (under- or overfilled). When a certificate weighs several vials of the batch, the vial farthest from the label is the one judged, and with several purity results the lowest counts. Blends are only checked when the certificate lists each component.
Purity: HPLC purity on each certificate against the purity the supplier promises site-wide on its own website. Up to 1 point below the claim is amber, more than that is red. Only a direct promise counts (“99%+ purity guaranteed”); explanations of what purity means, one product's figure and page code are not treated as a claim. A certificate that reports only a bound (“>99%”) is judged only when the bound meets the claim, and a specification line is never read as a result.
Whose certificate: A certificate is only read once our client-identity review has looked at it, and one issued to a different company is left out. A certificate issued to the company that runs the supplier's own website counts as the supplier's. A file hosted on another supplier's website is not counted for this one. Only peptide certificates are read: bacteriostatic water, acetic acid and other diluents are left out, and so are product data sheets, which state a specification rather than a batch result.
Main impurity: Shown when the certificate itemises it: a named impurity (TFA, deletion sequence, oxidation…) or the largest secondary peak in the HPLC peak table. Most certificates report only a purity figure, so the rest of the sample is not itemised.
Score: These checks are 10 of the 25 certificate points: vial content 7 (full credit within ±3%, half up to ±10%, none beyond, over- and underfilled alike), purity 3 (98% is the bar when a supplier advertises no figure). Fewer than 5 readable results gives half credit rather than a guess.
Source and limits: These are the supplier's own published certificates, read automatically from the PDF or image. Janoshik results tables are read twice from the image, cell by cell, and a figure the two readings disagree on is left out rather than guessed. A certificate covers one batch on one date. We have not tested these batches ourselves.

Source Peptides certificates: label against measured content and purity
Product	Label to measured	Purity	Main impurity	Lab	Certificate
36a4c8_Sour2607060225-pdf.jpg	10mg → 12.88mg Overfilled +28.8%	99.63%	0.37% not itemised	freedom-diagnostics	Open certificate 36a4c8_Sour2607060225-pdf.jpg
Dihexa - 10mg	10mg → 12.88mg Overfilled +28.8%	99.63%	0.37% not itemised	freedom-diagnostics	Open certificate Dihexa - 10mg
Dihexa - 10mg	10mg → 12.34mg Overfilled +23.4%	99.17%	0.83% not itemised	freedom-diagnostics	Open certificate Dihexa - 10mg
GLP-1 (S) - 20mg	20mg → 24.77mg Overfilled +23.9%	99.77%	0.23% not itemised	freedom-diagnostics	Open certificate GLP-1 (S) - 20mg
GLP-1 (S) - 20mg	20mg → 24.77mg Overfilled +23.9%	99.77%	0.23% not itemised	freedom-diagnostics	Open certificate GLP-1 (S) - 20mg
Adamax - 10mg	10mg → 10.38mg Over label +3.8%	99.01%	0.99% not itemised	freedom-diagnostics	Open certificate Adamax - 10mg
Tirzepatide	45mg → 46.8mg Over label +4.0%	99.44%	0.56% not itemised	Unknown	Open certificate Tirzepatide
Tirzepatide Tirzepatide	45mg → 46.8mg Over label +4.0%	99.44%	0.56% not itemised	Unknown	Open certificate Tirzepatide Tirzepatide

Show all 101 certificates read ↓Showing all 101 certificates read

Source Peptides certificates: label against measured content and purity (continued)
Product	Label to measured	Purity	Main impurity	Lab	Certificate
ARA-290 · 10mg24eeef_Purity_ARA-290_10mg_ARA-8822-pdf.jpg	Not measured	99.4%	0.60% not itemised	Unknown	Open certificate ARA-290 · 10mg
VIP · 10mg4193e8_Purity_VIP_10mg_VIP-756-pdf.jpg	10mg → 9.79mg On label -2.1%	99.61%	0.39% not itemised	Unknown	Open certificate VIP · 10mg
bd6e46_Sour2607060226-pdf.jpg	Not measured	99.85%	0.15% not itemised	freedom-diagnostics	Open certificate bd6e46_Sour2607060226-pdf.jpg
sourcepeptides-CJCIP-8148-3jGF2k.pdf	Not measured	99.89%	0.11% not itemised	ils-labs	Open certificate sourcepeptides-CJCIP-8148-3jGF2k.pdf
Sour2607060226.pdf	Not measured	99.85%	0.15% not itemised	freedom-diagnostics	Open certificate Sour2607060226.pdf
AOD-9604	5mg → 5.06mg On label +1.2%	99.32%	0.68% not itemised	Unknown	Open certificate AOD-9604
AOD-9604 AOD-9604	5mg → 5.06mg On label +1.2%	Not read	Not itemised	Unknown	Open certificate AOD-9604 AOD-9604
ARA-290	10mg → 10.18mg On label +1.8%	99.4%	0.60% not itemised	Unknown	Open certificate ARA-290
BPC-157	10mg → 9.89mg On label -1.1%	99.46%	0.54% not itemised	Unknown	Open certificate BPC-157
BPC-157	Not measured	99.82%	0.18% not itemised	Unknown	Open certificate BPC-157
BPC-157 BPC-157	10mg → 9.89mg On label -1.1%	Not read	Not itemised	Unknown	Open certificate BPC-157 BPC-157
CJC-1295 no DAC	5mg → 4.91mg On label -1.8%	99.31%	0.69% not itemised	Unknown	Open certificate CJC-1295 no DAC
CJC-1295 w/ DAC	Blend, per-component content not listed	99.31%	0.69% not itemised	Unknown	Open certificate CJC-1295 w/ DAC
Cagrilintide	10mg → 10.15mg On label +1.5%	Not read	Not itemised	Unknown	Open certificate Cagrilintide
Cagrilintide	10mg → 10.15mg On label +1.5%	99.29%	0.71% not itemised	Unknown	Open certificate Cagrilintide
Cartalax	20mg → 19.89mg On label -0.6%	99.46%	0.54% not itemised	Unknown	Open certificate Cartalax
Cartalax Cartalax	20mg → 19.89mg On label -0.6%	Not read	Not itemised	Unknown	Open certificate Cartalax Cartalax
Epithalon	10mg → 10.25mg On label +2.5%	99.4%	0.60% not itemised	Unknown	Open certificate Epithalon
GHK-Cu	50mg → 49.1mg On label -1.8%	99.58%	0.42% not itemised	Unknown	Open certificate GHK-Cu
GHK-Cu	50mg → 49.5mg On label -1.0%	99.65%	0.35% not itemised	Unknown	Open certificate GHK-Cu
GHK-Cu	50mg → 49.5mg On label -1.0%	99.65%	0.35% not itemised	Unknown	Open certificate GHK-Cu
GHK-Cu	100mg → 98.35mg On label -1.7%	99.56%	0.44% not itemised	Unknown	Open certificate GHK-Cu
GHK-Cu GHK-Cu	50mg → 49.5mg On label -1.0%	99.65%	0.35% not itemised	Unknown	Open certificate GHK-Cu GHK-Cu
GHK-Cu GHK-Cu	50mg → 491mg Not checked	99.58%	0.42% not itemised	Unknown	Open certificate GHK-Cu GHK-Cu
GHK-Cu GHK-Cu	50mg → 49.5mg On label -1.0%	99.65%	0.35% not itemised	Unknown	Open certificate GHK-Cu GHK-Cu
GHRP-6	10mg → 10.09mg On label +0.9%	99.45%	0.55% not itemised	Unknown	Open certificate GHRP-6
GHRP-6 GHRP-6	10mg → 10.09mg On label +0.9%	99.45%	0.55% not itemised	Unknown	Open certificate GHRP-6 GHRP-6
GLOW 70mg	Blend, per-component content not listed	99.84%	0.16% not itemised	freedom-diagnostics	Open certificate GLOW 70mg
Ipamorelin	10mg → 9.85mg On label -1.5%	99.3%	0.70% not itemised	Unknown	Open certificate Ipamorelin
Ipamorelin	10mg → 9.85mg On label -1.5%	99.3%	0.70% not itemised	Unknown	Open certificate Ipamorelin
Ipamorelin Ipamorelin	10mg → 9.85mg On label -1.5%	Not read	Not itemised	Unknown	Open certificate Ipamorelin Ipamorelin
Kisspeptin-10	10mg → 9.82mg On label -1.8%	99.41%	0.59% not itemised	Unknown	Open certificate Kisspeptin-10
Kisspeptin-10 Kisspeptin-10	10mg → 9.82mg On label -1.8%	99.41%	0.59% not itemised	Unknown	Open certificate Kisspeptin-10 Kisspeptin-10
L-Glutathione	500mg → 490mg On label -2.0%	99.54%	0.46% not itemised	Unknown	Open certificate L-Glutathione
L-Glutathione L-Glutathione	500mg → 490mg On label -2.0%	99.54%	0.46% not itemised	Unknown	Open certificate L-Glutathione L-Glutathione
LL-37	10mg → 9.71mg On label -2.9%	99.35%	0.65% not itemised	Unknown	Open certificate LL-37
MOTS-c	40mg → 39.65mg On label -0.9%	99.34%	0.66% not itemised	Unknown	Open certificate MOTS-c
MOTS-c	10mg → 10.21mg On label +2.1%	99.43%	0.57% not itemised	Unknown	Open certificate MOTS-c
MOTS-c MOTS-c	10mg → 10.21mg On label +2.1%	99.43%	0.57% not itemised	Unknown	Open certificate MOTS-c MOTS-c
MOTS-c MOTS-c	40mg → 39.65mg On label -0.9%	Not read	Not itemised	Unknown	Open certificate MOTS-c MOTS-c
Melanotan II	10mg → 9.84mg On label -1.6%	99.42%	0.58% not itemised	Unknown	Open certificate Melanotan II
Melanotan II	10mg → 9.84mg On label -1.6%	99.42%	0.58% not itemised	Unknown	Open certificate Melanotan II
Melanotan II	10mg → 9.84mg On label -1.6%	99.42%	0.58% not itemised	Unknown	Open certificate Melanotan II
Melanotan II	10mg → 9.84mg On label -1.6%	99.42%	0.58% not itemised	Unknown	Open certificate Melanotan II
Melanotan II Melanotan II	10mg → 9.84mg On label -1.6%	99.42%	0.58% not itemised	Unknown	Open certificate Melanotan II Melanotan II
NAD+	1000mg → 992mg On label -0.8%	99.52%	0.48% not itemised	Unknown	Open certificate NAD+
NAD+	500mg → 505mg On label +1.0%	99.61%	0.39% not itemised	Unknown	Open certificate NAD+
Ovagen	10mg → 9.89mg On label -1.1%	99.46%	0.54% not itemised	Unknown	Open certificate Ovagen
Ovagen Ovagen	10mg → 9.89mg On label -1.1%	Not read	Not itemised	Unknown	Open certificate Ovagen Ovagen
Oxytocin	5mg → 4.89mg On label -2.2%	99.44%	0.56% not itemised	Unknown	Open certificate Oxytocin
Oxytocin	5mg → 4.89mg On label -2.2%	99.44%	0.56% not itemised	Unknown	Open certificate Oxytocin
Oxytocin Oxytocin	5mg → 4.89mg On label -2.2%	99.44%	0.56% not itemised	Unknown	Open certificate Oxytocin Oxytocin
PT-141	10mg → 10.02mg On label +0.2%	99.28%	0.72% not itemised	Unknown	Open certificate PT-141
PT-141 PT-141	10mg → 10.02mg On label +0.2%	99.28%	0.72% not itemised	Unknown	Open certificate PT-141 PT-141
Pinealon	10mg → 9.84mg On label -1.6%	99.37%	0.63% not itemised	Unknown	Open certificate Pinealon
Prostamax	10mg → 9.9mg On label -1.0%	99.51%	0.49% not itemised	Unknown	Open certificate Prostamax
Prostamax Prostamax	10mg → 9.9mg On label -1.0%	99.51%	0.49% not itemised	Unknown	Open certificate Prostamax Prostamax
Retatrutide	30mg → 29.76mg On label -0.8%	99.3%	0.70% not itemised	Unknown	Open certificate Retatrutide
Retatrutide	10mg → 10.11mg On label +1.1%	99.52%	0.48% not itemised	Unknown	Open certificate Retatrutide
Retatrutide	60mg → 58.85mg On label -1.9%	99.42%	0.58% not itemised	Unknown	Open certificate Retatrutide
Retatrutide	15mg → 14.79mg On label -1.4%	99.46%	0.54% not itemised	Unknown	Open certificate Retatrutide
Retatrutide Retatrutide	60mg → 58.85mg On label -1.9%	Not read	Not itemised	Unknown	Open certificate Retatrutide Retatrutide
Retatrutide Retatrutide	30mg → 29.76mg On label -0.8%	99.3%	0.70% not itemised	Unknown	Open certificate Retatrutide Retatrutide
Retatrutide Retatrutide	15mg → 14.79mg On label -1.4%	Not read	Not itemised	Unknown	Open certificate Retatrutide Retatrutide
SLU-PP-332	Not measured	99.94%	0.06% not itemised	Unknown	Open certificate SLU-PP-332
SLU-PP-332 - 5mg	5mg → 5.15mg On label +3.0%	99.987%	0.01% not itemised	freedom-diagnostics	Open certificate SLU-PP-332 - 5mg
Selank	10mg → 10.13mg On label +1.3%	99.42%	0.58% not itemised	Unknown	Open certificate Selank
Selank Selank	10mg → 10.13mg On label +1.3%	99.42%	0.58% not itemised	Unknown	Open certificate Selank Selank
Semaglutide	15mg → 15.12mg On label +0.8%	99.37%	0.63% not itemised	Unknown	Open certificate Semaglutide
Semaglutide	10mg → 9.82mg On label -1.8%	99.25%	0.75% not itemised	Unknown	Open certificate Semaglutide
Semaglutide Semaglutide	10mg → 9.82mg On label -1.8%	99.25%	0.75% not itemised	Unknown	Open certificate Semaglutide Semaglutide
Semax	10mg → 9.86mg On label -1.4%	99.29%	0.71% not itemised	Unknown	Open certificate Semax
Semax	10mg → 9.75mg On label -2.5%	99.35%	0.65% not itemised	Unknown	Open certificate Semax
Semax Semax	10mg → 9.86mg On label -1.4%	99.29%	0.71% not itemised	Unknown	Open certificate Semax Semax
Semax Semax	10mg → 9.75mg On label -2.5%	99.35%	0.65% not itemised	Unknown	Open certificate Semax Semax
TB-500	5mg → 4.88mg On label -2.4%	99.36%	0.64% not itemised	Unknown	Open certificate TB-500
TB-500	10mg → 10.05mg On label +0.5%	99.41%	0.59% not itemised	Unknown	Open certificate TB-500
TB-500	10mg → 10.15mg On label +1.5%	99.29%	0.71% not itemised	Unknown	Open certificate TB-500
TB-500	10mg → 10.18mg On label +1.8%	99.41%	0.59% not itemised	Unknown	Open certificate TB-500
TB-500 TB-500	10mg → 10.05mg On label +0.5%	Not read	Not itemised	Unknown	Open certificate TB-500 TB-500
TB-500 ‘TB-500	5mg → 4.88mg On label -2.4%	Not read	Not itemised	Unknown	Open certificate TB-500 ‘TB-500
Tesamorelin	10mg → 10.05mg On label +0.5%	99.28%	0.72% not itemised	Unknown	Open certificate Tesamorelin
Tesamorelin Tesamorelin	10mg → 10.05mg On label +0.5%	Not read	Not itemised	Unknown	Open certificate Tesamorelin Tesamorelin
Testagen	20mg → 20.11mg On label +0.6%	99.24%	0.76% not itemised	Unknown	Open certificate Testagen
Tirzepatide	15mg → 15.25mg On label +1.7%	99.48%	0.52% not itemised	Unknown	Open certificate Tirzepatide
Tirzepatide	30mg → 29.1mg On label -3.0%	99.41%	0.59% not itemised	Unknown	Open certificate Tirzepatide
Tirzepatide	10mg → 10.12mg On label +1.2%	99.35%	0.65% not itemised	Unknown	Open certificate Tirzepatide
Tirzepatide Tirzepatide	15mg → 15.25mg On label +1.7%	99.48%	0.52% not itemised	Unknown	Open certificate Tirzepatide Tirzepatide
Tirzepatide Tirzepatide	30mg → 29.1mg On label -3.0%	99.41%	0.59% not itemised	Unknown	Open certificate Tirzepatide Tirzepatide
VIP	10mg → 9.79mg On label -2.1%	99.61%	0.39% not itemised	Unknown	Open certificate VIP
epithalon	10mg → 10.25mg On label +2.5%	99.4%	0.60% not itemised	Unknown	Open certificate epithalon
ghk-cu	100mg → 98.35mg On label -1.7%	99.56%	0.44% not itemised	Unknown	Open certificate ghk-cu
nad-plus	1000mg → 992mg On label -0.8%	99.52%	0.48% not itemised	Unknown	Open certificate nad-plus

Source Peptides FAQ

Is Source Peptides legit?

We score Source Peptides 30 of 60, from reviews, community posts and the certificates they publish. We have not lab-tested them yet. The reasons for each part of the score are in the verdict above.

Does Source Peptides publish lab reports (COAs)?

Yes. We hold 51 certificates from their website. They cover 22 of the 29 peptides we track. Labs named on them: Vanguard Laboratory. We found 3 of them on the lab's own website. A certificate is the shop's own document, not our test.

How much does Source Peptides charge?

On 7 Nov 2026 we tracked 35 prices from $35 to $135. The cheapest is Pinealon at $35. The full list is in the price table above.

Where does Source Peptides ship?

They ship to United States.

Has Peptide Scanner tested Source Peptides?

Not yet. Lab results are worth 40 points, and those stay locked until we test one of their products at an independent lab.

We don't sell peptides. No shop pays for its score. How we score · What the badges mean · Report an issue with this page

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