Fat Pig Peptides Review — COAs, Prices and UK Shipping

Jack Ryan

Fat Pig Peptides

Evidence score: 8/10

Fat Pig Peptides gets our 8/10 rating (Trusted), with 27 lab reports (COAs) on file. See how scores are calculated →

Visit Fat Pig Peptides ↗

How we scored Fat Pig Peptides

Reviewed by Jack Ryan, co-founder & editorial lead · Updated November 12, 2026

COA practices 40%8/10

Reputation 20%7.5/10

Transparency 20%8/10

Operations 20%9/10

The four factors average 8.1 by weight, which rounds to 8/10.

Direct answer

Is Fat Pig Peptides legit?

Yes. Fat Pig Peptides is a UK research supplier operated by registered company Power Gainz Nutrition Ltd. Its published Marfleet testing spans August to November 2026, and customers have praised its delivery and communication. We rate Fat Pig Peptides 8/10 overall.

COA evidenceCOA quality 8/10COA verified

Fat Pig Peptides publishes 27 COAs from Marfleet Analytical Services, spanning August to November 2026. Nine include endotoxin and heavy-metal results alongside their other measurements. Twenty-five reports give numerical purity from 92.47% to 100%, including four below 98%; the NAD assay and a differently labelled GHK-Cu purity test are excluded from this range. This breadth of published testing supports our 8/10 rating for COA practices.

Browse 27 COAs in the COA library →

Full evaluation

Customer reviews

Trustpilot showed 4.4/5 from 12 reviews on November 12, 2026. Reviewers commonly described quick delivery, protective packaging and responsive support. Chris described discreet packaging and a secure vial case; SteamMachine described good communication and next-day shipping. Kim praised quick email responses. These are individual customer experiences in a small review history.

“well packaged”
John Martin · Trustpilot · Jul 18, 2026

“Prompt Delivery”
Dan · Trustpilot · Jul 14, 2026

“discreet packaging”
Chris · Trustpilot · Nov 5, 2026

“communication was great”
SteamMachine · Trustpilot · Oct 25, 2026

“super fast delivery”
Consumer · Trustpilot · Oct 21, 2026

“responsed to my emails quickly”
Kim · Trustpilot · Sep 26, 2026

Laboratory reports

Marfleet Analytical Services reports name Fat Pig Peptides as customer and originator. The archive spans August to November 2026, with later reports adding measured content and nine reports covering endotoxin and four metals. Four report purity below 98%: 92.47%, 93.86%, 96.48% and 97.32%. Most reviewed reports show batch N/A. The original reports remain available in the COA library.

Business identity and history

The terms identify Power Gainz Nutrition Ltd as the operator. Companies House lists the company as active and incorporated September 1, 2025; its London address is the registered office. The company says its business relationships predate the current company.

Shipping, payment and returns

The shipping policy states £5.15 UK delivery below £100 and free UK delivery over £100 after discounts. Royal Mail Tracked 24 aims for next-working-day delivery after dispatch. Orders before 11 AM Monday–Saturday usually dispatch the same working day. The UK-default checkout showed £5.15 delivery on a £19.99 vial and direct bank transfer as its only payment option. The FAQ mentions Fena and says card processing is temporarily unavailable. Returns are generally limited to unopened items under the returns policy and applicable law.

Details

Payment methods: Direct bank transfer
Shipping: Royal Mail Tracked 24 shipping costs £5.15 on UK orders under £100 and is free on orders over £100 after discounts. Orders before 11 AM Monday–Saturday usually dispatch the same working day; the carrier aims for next-working-day delivery after dispatch.

In stock: 32 products
Ships to: United Kingdom
Prices checked: Nov 13, 2026

Products (32)

32 products

Peptide	Price	Package	Stock
BPC-1572-test panel COA verified Marfleet Analytical Services · Report date Nov 3, 2026	$39.75	10mg	In stock	View listing ↗
BPC-1573-test panel COA verified Marfleet Analytical Services · Report date Aug 6, 2026	$23.85	5mg	In stock	View listing ↗
TB-5003-test panel COA verified Marfleet Analytical Services · Report date Aug 6, 2026	$23.85	5mg	In stock	View listing ↗
TB-5003-test panel COA available Marfleet Analytical Services · Report strength 5mg · Report date Aug 6, 2026	$44.00	10mg	In stock	View listing ↗
MOTS-c2-test panel COA verified Marfleet Analytical Services · Report date Nov 5, 2026	$66.27	20mg	In stock	View listing ↗
NAD+2-test panel COA verified Marfleet Analytical Services · Report date Aug 6, 2026	$48.90	500mg	In stock	View listing ↗
SemaxCOA not available	$39.75	10mg	In stock	View listing ↗
SemaxCOA not available	$26.50	5mg	In stock	View listing ↗
Selank2-test panel COA verified Marfleet Analytical Services · Report date Nov 5, 2026	$37.10	10mg	In stock	View listing ↗
Selank2-test panel COA verified Marfleet Analytical Services · Report date Nov 5, 2026	$26.50	5mg	In stock	View listing ↗
Tesamorelin3-test panel COA available Marfleet Analytical Services · Report strength 5mg · Report date Aug 6, 2026	$66.27	10mg	In stock	View listing ↗
Tesamorelin3-test panel COA available Marfleet Analytical Services · Report strength 5mg · Report date Aug 6, 2026	$106.03	20mg	In stock	View listing ↗
Tesamorelin3-test panel COA verified Marfleet Analytical Services · Report date Aug 6, 2026	$34.32	5mg	In stock	View listing ↗
IpamorelinCOA not available	$38.03	10mg	In stock	View listing ↗
IpamorelinCOA not available	$21.20	5mg	In stock	View listing ↗
GHK-Cu (Copper Peptide)2-test panel COA available Marfleet Analytical Services · Report strength 50mg · Report date Nov 4, 2026	$52.48	100mg	In stock	View listing ↗
GHK-Cu (Copper Peptide)2-test panel COA verified Marfleet Analytical Services · Report date Nov 4, 2026	$31.48	50mg	In stock	View listing ↗
GLOWCOA not available	$72.89	70mg	In stock	View listing ↗
KLOW Protocol2-test panel COA available Marfleet Analytical Services · Report strength 70mg · Report date Sep 7, 2026	$79.26	80mg	In stock	View listing ↗
Wolverine2-test panel COA verified Marfleet Analytical Services · Report date Nov 3, 2026	$79.26	20mg	In stock	View listing ↗
Wolverine2-test panel COA verified Marfleet Analytical Services · Report date Nov 4, 2026	$46.52	10mg	In stock	View listing ↗
AOD-96042-test panel COA verified Marfleet Analytical Services · Report date Nov 4, 2026	$72.89	10mg	In stock	View listing ↗
HGH 191AA (Somatropin)1-test panel COA verified Marfleet Analytical Services · Report date Sep 7, 2026	$198.84	36IU	In stock	View listing ↗
HGH 191AA (Somatropin)1-test panel COA available Marfleet Analytical Services · Report strength 36IU · Report date Sep 7, 2026	$46.40	10IU	In stock	View listing ↗
CJC-1295 (No DAC)COA not available	$42.67	10mg	In stock	View listing ↗
CJC-1295 (No DAC)COA not available	$31.80	5mg	In stock	View listing ↗
Epithalon (Epitalon)2-test panel COA verified Marfleet Analytical Services · Report date Nov 4, 2026	$33.13	10mg	In stock	View listing ↗
SS-31 (Elamipretide)3-test panel COA available Marfleet Analytical Services · Report strength 20mg · Report date Aug 6, 2026	$31.81	10mg	In stock	View listing ↗
Melanotan-2 (MT-2)COA not available	$26.50	10mg	In stock	View listing ↗
DSIP (Delta Sleep-Inducing Peptide)COA not available	$53.01	15mg	In stock	View listing ↗
KPV2-test panel COA verified Marfleet Analytical Services · Report date Nov 5, 2026	$39.75	10mg	In stock	View listing ↗
ARA-290 (Cibinetide)COA not available	$33.13	10mg	In stock	View listing ↗

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Market prices collected Nov 13, 2026

Market listing prices

Five cheapest in-stock package prices per compound across every tracked vendor — not just Fat Pig Peptides.

BPC-157 listing prices

30 collected daysOct 15, 2026 – Nov 13, 2026

Latest Nov 13, 2026$15.89$15.99$18.00$18.55$19.99

30 collected days and prices

Cheapest in-stock listing prices by collected day
Date	Rank 1	Rank 2	Rank 3	Rank 4	Rank 5
Nov 13, 2026	$15.89	$15.99	$18.00	$18.55	$19.99
Nov 12, 2026	$15.96	$15.99	$18.00	$18.62	$19.99
Nov 11, 2026	$15.99	$16.09	$18.00	$18.00	$18.78
Nov 10, 2026	$15.99	$16.00	$16.09	$18.00	$18.77
Nov 9, 2026	$15.99	$16.00	$16.05	$18.00	$18.73
Nov 8, 2026	$15.99	$16.00	$16.05	$18.00	$18.73
Nov 7, 2026	$15.99	$16.05	$18.00	$18.73	$18.96
Nov 6, 2026	$15.83	$15.99	$16.00	$18.00	$18.69
Nov 5, 2026	$15.83	$15.99	$16.00	$18.00	$18.69
Nov 4, 2026	$15.83	$15.99	$18.00	$18.69	$19.06
Nov 3, 2026	$15.83	$15.99	$18.00	$18.69	$19.06
Nov 2, 2026	$15.83	$15.99	$18.00	$18.69	$19.99
Nov 1, 2026	$15.83	$15.99	$18.00	$18.69	$19.99
Oct 31, 2026	$15.83	$15.99	$18.00	$18.69	$19.99
Oct 30, 2026	$15.83	$15.99	$18.00	$18.69	$19.99
Oct 29, 2026	$15.83	$15.99	$18.00	$18.69	$19.99
Oct 28, 2026	$15.83	$15.99	$18.00	$18.69	$19.99
Oct 27, 2026	$15.83	$15.99	$18.00	$18.69	$19.99
Oct 26, 2026	$15.83	$15.99	$18.00	$18.69	$19.99
Oct 25, 2026	$15.83	$15.99	$18.00	$18.69	$19.99
Oct 24, 2026	$15.99	$18.00	$18.69	$19.99	$21.99
Oct 23, 2026	$15.99	$18.00	$18.69	$19.99	$21.99
Oct 22, 2026	$15.99	$18.00	$18.69	$19.99	$21.99
Oct 21, 2026	$15.99	$18.00	$18.69	$19.99	$21.99
Oct 20, 2026	$15.99	$18.00	$18.69	$19.99	$21.99
Oct 19, 2026	$15.99	$18.00	$18.69	$19.99	$21.99
Oct 18, 2026	$15.99	$18.00	$18.69	$19.99	$21.99
Oct 17, 2026	$15.99	$18.00	$18.69	$19.99	$21.99
Oct 16, 2026	$15.99	$18.00	$18.69	$19.99	$21.99
Oct 15, 2026	$15.99	$18.00	$18.69	$21.99	$21.99

Vendors in the cheapest five

5 / 10

Vendors that appeared in the five cheapest listings, with collected days and the last top-five package price.
Vendor	Days in five	Last top-five package
MS Peptides	30	$15.99 Nov 13, 2026
ResearchPeps	30	$18.00 Nov 13, 2026
Pure Peptides UK	30	$18.55 Nov 13, 2026 -0.7%
Corix Labs	20	$15.89 Nov 13, 2026 +0.4%
Peptide Giants	20	$19.99 Nov 13, 2026

Top 5 of 10 vendors that reached the cheapest five

TB-500 listing prices

30 collected daysOct 15, 2026 – Nov 13, 2026

Latest Nov 13, 2026$21.21$22.80$23.85$24.79$24.99

30 collected days and prices

Cheapest in-stock listing prices by collected day
Date	Rank 1	Rank 2	Rank 3	Rank 4	Rank 5
Nov 13, 2026	$21.21	$22.80	$23.85	$24.79	$24.99
Nov 12, 2026	$21.29	$22.80	$24.79	$24.99	$25.00
Nov 11, 2026	$21.48	$24.69	$24.79	$24.99	$25.00
Nov 10, 2026	$21.47	$24.69	$24.79	$24.99	$25.00
Nov 9, 2026	$21.42	$24.69	$24.79	$24.99	$25.00
Nov 8, 2026	$21.42	$24.69	$24.79	$24.99	$25.00
Nov 7, 2026	$21.42	$24.69	$24.79	$24.99	$25.00
Nov 6, 2026	$21.38	$24.69	$24.70	$24.79	$24.99
Nov 5, 2026	$21.38	$24.69	$24.70	$24.79	$24.99
Nov 4, 2026	$21.38	$24.69	$24.70	$24.79	$24.99
Nov 3, 2026	$21.38	$24.69	$24.70	$24.79	$24.99
Nov 2, 2026	$21.38	$24.79	$24.99	$25.00	$25.08
Nov 1, 2026	$21.38	$24.79	$24.99	$25.00	$25.08
Oct 31, 2026	$20.89	$21.38	$24.79	$24.99	$25.00
Oct 30, 2026	$20.89	$21.38	$24.79	$24.99	$25.00
Oct 29, 2026	$20.89	$21.38	$24.79	$24.99	$25.00
Oct 28, 2026	$20.89	$21.38	$24.99	$25.00	$25.08
Oct 27, 2026	$21.38	$24.69	$24.99	$25.00	$25.08
Oct 26, 2026	$21.38	$24.99	$25.00	$25.00	$25.08
Oct 25, 2026	$21.38	$24.99	$25.00	$25.08	$26.59
Oct 24, 2026	$21.38	$24.99	$25.00	$26.72	$27.89
Oct 23, 2026	$12.00	$21.38	$24.99	$25.00	$25.00
Oct 22, 2026	$12.00	$21.38	$24.99	$25.00	$25.00
Oct 21, 2026	$12.00	$21.38	$24.99	$25.00	$26.59
Oct 20, 2026	$12.00	$21.38	$24.99	$25.00	$26.59
Oct 19, 2026	$12.00	$21.38	$22.79	$24.99	$25.00
Oct 18, 2026	$12.00	$21.38	$22.79	$24.99	$25.00
Oct 17, 2026	$12.00	$21.38	$22.79	$24.99	$25.00
Oct 16, 2026	$12.00	$21.38	$24.70	$24.99	$25.00
Oct 15, 2026	$12.00	$21.38	$24.70	$24.99	$25.00

Vendors in the cheapest five

5 / 12

Vendors that appeared in the five cheapest listings, with collected days and the last top-five package price.
Vendor	Days in five	Last top-five package
Pure Peptides UK	30	$21.21 Nov 13, 2026 -0.8%
ResearchPeps	30	$24.99 Nov 13, 2026
T-Core Biotech	17	$24.79 Nov 13, 2026 -11.1%
Nura Peptide	15	$25.00 last in top five Nov 12, 2026
Arkon Labs Research	14	$24.69 last in top five Nov 11, 2026

Top 5 of 12 vendors that reached the cheapest five

MOTS-c listing prices

30 collected daysOct 15, 2026 – Nov 13, 2026

Latest Nov 13, 2026$16.99$20.00$21.25$21.50$23.40

30 collected days and prices

Cheapest in-stock listing prices by collected day
Date	Rank 1	Rank 2	Rank 3	Rank 4	Rank 5
Nov 13, 2026	$16.99	$20.00	$21.25	$21.50	$23.40
Nov 12, 2026	$16.99	$20.00	$21.25	$21.50	$23.40
Nov 11, 2026	$16.99	$20.00	$21.25	$21.50	$23.40
Nov 10, 2026	$20.00	$21.25	$21.50	$23.40	$23.99
Nov 9, 2026	$20.00	$21.25	$21.50	$23.40	$23.99
Nov 8, 2026	$20.00	$21.25	$21.50	$23.99	$24.99
Nov 7, 2026	$20.00	$21.25	$21.50	$23.99	$24.99
Nov 6, 2026	$20.00	$21.25	$21.50	$23.99	$24.99
Nov 5, 2026	$20.00	$21.25	$21.50	$23.99	$24.99
Nov 4, 2026	$20.00	$21.50	$23.99	$24.99	$26.06
Nov 3, 2026	$20.00	$21.25	$21.50	$23.99	$24.99
Nov 2, 2026	$20.00	$21.25	$21.50	$23.99	$24.99
Nov 1, 2026	$20.00	$21.25	$21.50	$23.99	$24.99
Oct 31, 2026	$20.00	$21.50	$23.99	$24.99	$25.00
Oct 30, 2026	$20.00	$21.50	$23.99	$24.99	$25.00
Oct 29, 2026	$21.50	$23.99	$24.00	$24.99	$25.00
Oct 28, 2026	$21.50	$23.99	$24.00	$24.99	$25.00
Oct 27, 2026	$23.99	$24.00	$24.99	$25.00	$26.06
Oct 26, 2026	$21.50	$24.00	$24.99	$25.00	$25.00
Oct 25, 2026	$20.31	$21.50	$24.00	$24.99	$25.00
Oct 24, 2026	$20.31	$24.00	$24.99	$25.00	$25.00
Oct 23, 2026	$20.31	$24.00	$24.99	$25.00	$25.00
Oct 22, 2026	$20.31	$24.00	$24.99	$25.00	$25.00
Oct 21, 2026	$20.31	$24.00	$24.99	$25.00	$26.06
Oct 20, 2026	$20.31	$24.00	$24.99	$25.00	$26.06
Oct 19, 2026	$20.31	$22.79	$24.00	$24.99	$25.00
Oct 18, 2026	$22.79	$24.99	$25.00	$26.06	$27.35
Oct 17, 2026	$22.79	$24.99	$25.00	$26.06	$27.35
Oct 16, 2026	$24.99	$25.00	$26.06	$27.35	$27.59
Oct 15, 2026	$24.99	$25.00	$26.06	$27.35	$27.99

Vendors in the cheapest five

5 / 15

Vendors that appeared in the five cheapest listings, with collected days and the last top-five package price.
Vendor	Days in five	Last top-five package
Lost Coast Aminos	26	$20.00 Nov 13, 2026 -16.7%
Studz Peptides	25	$24.99 last in top five Nov 8, 2026
Renova Peptides	19	$21.50 Nov 13, 2026
TrustedPeps	17	$25.00 last in top five Oct 31, 2026
PepVoro Labs	15	$23.99 last in top five Nov 10, 2026

Top 5 of 15 vendors that reached the cheapest five

Frequently asked questions

Is Fat Pig Peptides legit?: Yes. Fat Pig Peptides is a UK research supplier operated by registered company Power Gainz Nutrition Ltd. Its published Marfleet testing spans August to November 2026, and customers have praised its delivery and communication. We rate Fat Pig Peptides 8/10 overall. Affiliate links never affect the score.
Where does Fat Pig Peptides ship?: Fat Pig Peptides ships to United Kingdom. Royal Mail Tracked 24 shipping costs £5.15 on UK orders under £100 and is free on orders over £100 after discounts. Orders before 11 AM Monday–Saturday usually dispatch the same working day; the carrier aims for next-working-day delivery after dispatch.
Does Fat Pig Peptides publish COAs?: COA ✓. Open the vendor's certificate library and match each report to the exact product, strength, and lot before ordering.
What do customer reviews say about Fat Pig Peptides?: Trustpilot: 4.4/5 from 12 reviews on November 12, 2026.
What are alternatives to Fat Pig Peptides?: The public vendors closest to Fat Pig Peptides' 8/10 evidence score are Forge Performance Co. (8/10), Fro Peptides (8/10), and Evo Labs Research (8/10).