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Buyer's guide · November 2026 · 152 suppliers · United Kingdom · page 4 of 5

Where to buy Retatrutide in the UK: compare suppliers

Suppliers 91 to 120 of 143 with Retatrutide on sale based in the UK, in PepFinder Score order. Back to the first page for the price range, market history and questions.

Prices checked 8 Nov 2026 · 668 listings · 599 confirmed in stock · 66 out of stock · Incretin analogues

Retatrutide · listed price per mg
GBP · single vials · 114 suppliersmedian £4.47/mg
£0.54/mg£24.00/mg

Multi-vial packs: £0.57/mg to £7.20/mg, median £1.34/mg (34 listings), shown separately.

Each currency is shown separately; prices are never converted. Packs of several vials are compared per mg of the whole pack, apart from single vials.

Suppliers 91–120 of 143 with listings on sale (9 more with everything out of stock) · prices in GBP only, never converted

  1. 91
    Pepmatrix UK logo

    Pepmatrix UK

    GB based
    COA page linked, not reviewed

    33 products tracked · Ships to 1 country

    5.9/ 10PepFinder Score

    We may earn a commission. How this works

    From £9.00/mg (10 mg vial)

    Listing as namedSizePricePer mgStock
    Retatrutide 10mg10 mg£89.99£9.00/mgIn stockOn their site ↗

    Prices as last checked on their site. Packs are compared per mg of the whole pack. The supplier confirms the final price and availability.

  2. 92
    Peptomera Research Compounds logo

    4 products tracked · Delivery Next working day delivery aim after dispatch. · Ships to 1 country

    5.9/ 10PepFinder Score

    We may earn a commission. How this works

    Listing as namedSizePricePer mgStock
    Reta Pen Kit- 40mg40mg
    Kit
    £195.00—In stockOn their site ↗
    Reta 40mg Refill Cartridge40mg
    Liquid
    £175.00—In stockOn their site ↗

    Prices as last checked on their site. Packs are compared per mg of the whole pack. The supplier confirms the final price and availability.

  3. 93

    Peptx

    GB based
    Third-party testing statedCOA page linked, not reviewed

    7 products tracked

    5.9/ 10PepFinder Score

    We may earn a commission. How this works

    Listing as namedSizePricePer mgStock
    Retatrutide Research PeptideAs listed——In stockOn their site ↗

    Prices as last checked on their site. Packs are compared per mg of the whole pack. The supplier confirms the final price and availability.

  4. 94
    Premium Wellness UK logo
    Third-party testing statedCOA page linked, not reviewed

    35 products tracked

    3.8 Trustpilot(2)
    5.9/ 10PepFinder Score

    We may earn a commission. How this works

    From £3.17/mg (60 mg vial)

    Listing as namedSizePricePer mgStock
    Retatrutide – Weight Management20 mg£110.00£5.50/mgIn stockOn their site ↗
    Retatrutide – Weight Management40 mg£150.00£3.75/mgIn stockOn their site ↗
    Retatrutide – Weight Management60 mg£190.00£3.17/mgIn stockOn their site ↗

    Prices as last checked on their site. Packs are compared per mg of the whole pack. The supplier confirms the final price and availability.

  5. 95
    Black Country Peptides logo
    Third-party testing stated

    27 products tracked

    5.8/ 10PepFinder Score

    We may earn a commission. How this works

    From £2.30/mg (50 mg vial)

    Listing as namedSizePricePer mgStock
    RETA5 mg£55.00£11.00/mgIn stockOn their site ↗
    RETA10 mg£65.00£6.50/mgIn stockOn their site ↗
    RETA20 mg£75.00£3.75/mgIn stockOn their site ↗
    RETA30 mg£85.00£2.83/mgIn stockOn their site ↗
    RETA40 mg£100.00£2.50/mgIn stockOn their site ↗
    RETA50 mg£115.00£2.30/mgIn stockOn their site ↗

    + 1 more on the full catalogue.

    Prices as last checked on their site. Packs are compared per mg of the whole pack. The supplier confirms the final price and availability.

  6. 96
    Fat Pig Peptides logo
    Third-party testing statedCOA page linked, not reviewed

    45 products tracked · Ships to 1 country

    Pays byBank transfer
    5.8/ 10PepFinder Score

    We may earn a commission. How this works

    From £3.44/mg (40 mg vial)

    Listing as namedSizePricePer mgStock
    GLP-3 40mg40 mg£137.60£3.44/mgIn stockOn their site ↗
    GLP-3/RET-A 40 mg Research Pen40 mg
    Liquid
    £179.99—In stockOn their site ↗

    Prices as last checked on their site. Packs are compared per mg of the whole pack. The supplier confirms the final price and availability.

  7. 97
    Futureproof Peptides logo
    Third-party testing statedCOA page linked, not reviewed

    135 products tracked · Delivery With fast UK dispatch, next day delivery options, and knowledgeable support available when you need it, Futureproof Peptides is committed to supporting serious research with dependable peptide supplie

    5.8/ 10PepFinder Score

    We may earn a commission. How this works

    From £3.25/mg (60 mg vial)

    Listing as namedSizePricePer mgStock
    Retatrutide 20mg PenPen
    Liquid
    £150.00—In stockOn their site ↗
    Retatrutide 20mg PenVial/Pen
    Liquid
    £150.00—In stockOn their site ↗
    Retatrutide 20mg Vial20 mg£120.00£6.00/mgIn stockOn their site ↗
    Retatrutide 40mg PenPen
    Liquid
    £195.00—In stockOn their site ↗
    Retatrutide 40mg Vial40 mg£160.00£4.00/mgIn stockOn their site ↗
    Retatrutide 60mg PenVial/Pen
    Liquid
    £235.00—In stockOn their site ↗

    + 2 more on the full catalogue.

    Prices as last checked on their site. Packs are compared per mg of the whole pack. The supplier confirms the final price and availability.

  8. 98
    Body Pharm logo

    Body Pharm

    GB based
    COA page linked, not reviewed

    10 products tracked · Delivery We dispatch discreetly from the United Kingdom via tracked Royal Mail, and most orders arrive within 1–3 working days.

    Pays byCard
    5.7/ 10PepFinder Score

    We may earn a commission. How this works

    From £6.22/mg (32 mg vial)

    Listing as namedSizePricePer mgStock
    Body Pharm Retatrutide 32mg32 mg£199.00£6.22/mgIn stockOn their site ↗

    Prices as last checked on their site. Packs are compared per mg of the whole pack. The supplier confirms the final price and availability.

  9. 99
    Kent Labs logo

    Kent Labs

    GB based

    14 products tracked · Delivery UK-based dispatch . next day shipping available order before 2PM . ​ . ​ .

    5.7/ 10PepFinder Score

    We may earn a commission. How this works

    From £4.17/mg (30 mg vial)

    Listing as namedSizePricePer mgStock
    Retatrutide 10mg10 mg£54.99£5.50/mgIn stockOn their site ↗
    Retatrutide 30mg30 mg£124.99£4.17/mgIn stockOn their site ↗

    Prices as last checked on their site. Packs are compared per mg of the whole pack. The supplier confirms the final price and availability.

  10. 100
    Peptide-Shop logo

    Peptide-Shop

    GB based
    COA page linked, not reviewed

    49 products tracked

    5.7/ 10PepFinder Score

    We may earn a commission. How this works

    Listing as namedSizePricePer mgStock
    Retatrutide30MGS£130.00—In stockOn their site ↗
    Retatrutide40MGS£155.00—In stockOn their site ↗
    Retatrutide10MGS£70.00—In stockOn their site ↗
    Retatrutide20MGS£100.00—In stockOn their site ↗
    Retatrutide60MGS£195.00—In stockOn their site ↗
    Retatrutide50MGS£175.00—In stockOn their site ↗

    Prices as last checked on their site. Packs are compared per mg of the whole pack. The supplier confirms the final price and availability.

  11. 101
    Polypeptides logo

    Polypeptides

    GB based

    33 products tracked

    5.7/ 10PepFinder Score

    We may earn a commission. How this works

    From £5.00/mg (30 mg vial)

    Listing as namedSizePricePer mgStock
    Retatrutide10 mg£90.00£9.00/mgIn stockOn their site ↗
    Retatrutide30 mg£150.00£5.00/mgIn stockOn their site ↗
    Retatrutide30mg Pen
    Liquid
    £175.00—In stockOn their site ↗

    Prices as last checked on their site. Packs are compared per mg of the whole pack. The supplier confirms the final price and availability.

  12. 102

    SARMs UK

    GB based
    Third-party testing stated

    28 products tracked · Delivery Next Day Delivery.

    Pays byCrypto
    5.7/ 10PepFinder Score

    We may earn a commission. How this works

    From £6.25/mg (40 mg vial)

    Listing as namedSizePricePer mgStock
    Retatrutide Peptide5 mg£94.99£19.00/mgIn stockOn their site ↗
    Retatrutide Peptide10 mg£179.99£18.00/mgIn stockOn their site ↗
    Retatrutide Peptide40 mg£249.99£6.25/mgIn stockOn their site ↗

    Prices as last checked on their site. Packs are compared per mg of the whole pack. The supplier confirms the final price and availability.

  13. 103
    TrimFast logo

    TrimFast

    GB based
    Third-party testing stated✓ Verified owner

    3 products tracked · Delivery 1 - 3 working days UK, 5 - 7 working days EU · Ships to 32 countries · Est. 2024

    Pays byBank transfer
    3.2 Trustpilot(1)
    5.7/ 10PepFinder Score

    We may earn a commission. How this works

    From £8.00/mg (10 mg vial)

    Listing as namedSizePricePer mgStock
    Retatrutide Vials – 10mg10 mg£79.99£8.00/mgIn stockOn their site ↗

    Prices as last checked on their site. Packs are compared per mg of the whole pack. The supplier confirms the final price and availability.

  14. 104
    UK Peptide Store logo

    99 products tracked · Ships to 1 country

    5.7/ 10PepFinder Score

    We may earn a commission. How this works

    From £18.00/mg (10 mg vial)

    Listing as namedSizePricePer mgStock
    Retatrutide Peptide5 mg£94.99£19.00/mgIn stockOn their site ↗
    Retatrutide Peptide10 mg£179.99£18.00/mgIn stockOn their site ↗
    Retatrutide Peptide40 mg pen
    Liquid
    £249.99—In stockOn their site ↗

    Prices as last checked on their site. Packs are compared per mg of the whole pack. The supplier confirms the final price and availability.

  15. 105
    World of Peptides logo

    28 products tracked

    Pays byCard
    5.7/ 10PepFinder Score

    We may earn a commission. How this works

    From £2.50/mg (60 mg vial)

    Listing as namedSizePricePer mgStock
    Retatrutide10 mg£69.99£7.00/mgIn stockOn their site ↗
    Retatrutide20 mg£99.99£5.00/mgIn stockOn their site ↗
    Retatrutide 40mg Pre-filled Pen40mg
    Liquid
    £149.99—In stockOn their site ↗
    Retatrutide40 mg£129.99£3.25/mgIn stockOn their site ↗
    Retatrutide60 mg£149.99£2.50/mgIn stockOn their site ↗

    Prices as last checked on their site. Packs are compared per mg of the whole pack. The supplier confirms the final price and availability.

  16. 106
    Peptide Products logo
    COA page linked, not reviewed

    30 products tracked

    5.6/ 10PepFinder Score

    We may earn a commission. How this works

    From £3.13/mg (40 mg vial)

    Listing as namedSizePricePer mgStock
    Reta Research Compound 10mg Vial10 mg£89.00£8.90/mgIn stockOn their site ↗
    Retatrutide Research Compound 10mg Vial10 mg£89.00£8.90/mgIn stockOn their site ↗
    Retatrutide Research Compound 20mg Vial20 mg£149.00£7.45/mgIn stockOn their site ↗
    Reta Research Compound 20mg Vial20 mg£149.00£7.45/mgIn stockOn their site ↗
    Retatrutide Research Compound 40mg Vial40 mg£249.00£6.23/mgIn stockOn their site ↗
    Synexa Retatrutide 40mg RapidPen®40 mg£125.00£3.13/mgIn stockOn their site ↗

    + 2 more on the full catalogue.

    Prices as last checked on their site. Packs are compared per mg of the whole pack. The supplier confirms the final price and availability.

  17. 107
    ukpeptidesstore.co.uk logo
    Third-party testing statedCOA page linked, not reviewed

    80 products tracked · Ships to 36 countries

    Pays byBank transfer
    5.6/ 10PepFinder Score

    We may earn a commission. How this works

    From £6.50/mg (30 mg vial)

    Listing as namedSizePricePer mgStock
    Retatrutide 10mg Vial UK — Buy Online | £125 | UK Peptides Store10 mg£125.00£12.50/mgIn stockOn their site ↗
    Retatrutide 20mg Vial UK — Buy Online | £165 | UK Peptides Store20 mg£165.00£8.25/mgIn stockOn their site ↗
    Retatrutide 30mg Vial UK — Buy Online | £195 | UK Peptides Store30 mg£195.00£6.50/mgIn stockOn their site ↗
    Retatrutide 40mg Vial UK — Buy Online | £299 | UK Peptides Store40 mg£299.00£7.48/mgIn stockOn their site ↗
    Synedica Retatrutide 40mg UK — Buy Online | From £299 | UK Peptides Store40 mg£299.00£7.48/mgIn stockOn their site ↗
    VLS Retatrutide 40mg UK — Buy Online | From £265 | UK Peptides Store40 mg£265.00£6.63/mgIn stockOn their site ↗

    + 3 more on the full catalogue.

    Prices as last checked on their site. Packs are compared per mg of the whole pack. The supplier confirms the final price and availability.

  18. 108
    Omni Peptides logo
    Third-party testing statedCOA page linked, not reviewed

    9 products tracked · Ships to 1 country

    5.5/ 10PepFinder Score

    We may earn a commission. How this works

    From £4.00/mg (30 mg vial)

    Listing as namedSizePricePer mgStock
    Retatrutide 30mg30 mg£119.99£4.00/mgIn stockOn their site ↗

    Prices as last checked on their site. Packs are compared per mg of the whole pack. The supplier confirms the final price and availability.

  19. 109
    Peptagenix logo

    Peptagenix

    GB based
    Third-party testing stated

    64 products tracked

    5.5/ 10PepFinder Score

    We may earn a commission. How this works

    From £5.00/mg (20 mg vial)

    Listing as namedSizePricePer mgStock
    Retatrutide 20mg vial only20 mg£100.00£5.00/mgIn stockOn their site ↗
    Retatrutide 20mg pen only20mg
    Liquid
    £120.00—In stockOn their site ↗

    Prices as last checked on their site. Packs are compared per mg of the whole pack. The supplier confirms the final price and availability.

  20. 110
    Peptide Lab UK logo
    COA page linked, not reviewed

    49 products tracked · Ships to 32 countries

    2.1 Trustpilot(9)
    5.5/ 10PepFinder Score

    We may earn a commission. How this works

    From £5.00/mg (20 mg vial)

    Listing as namedSizePricePer mgStock
    Retatrutide 5mg Research Peptide5 mg£75.00£15.00/mgIn stockOn their site ↗
    Retava Retatrutide 10mg10 mg£150.00£15.00/mgIn stockOn their site ↗
    Retatrutide 10mg Research Peptide10 mg£95.00£9.50/mgIn stockOn their site ↗
    Retatrutide 20mg Research Peptide20 mg£140.00£7.00/mgIn stockOn their site ↗
    Alluvi Retatrutide 20mg (R&D)20 mg£100.00£5.00/mgIn stockOn their site ↗
    Alluvi Retatrutide 20mg Pen ×2 Bundle20mg
    Liquid
    £199.99—In stockOn their site ↗

    + 3 more on the full catalogue.

    Prices as last checked on their site. Packs are compared per mg of the whole pack. The supplier confirms the final price and availability.

  21. 111
    Third-party testing statedCOA page linked, not reviewed

    34 products tracked

    5.5/ 10PepFinder Score

    We may earn a commission. How this works

    Listing as namedSizePricePer mgStock
    RETATRUTIDEAs listed£0.00—In stockOn their site ↗

    Prices as last checked on their site. Packs are compared per mg of the whole pack. The supplier confirms the final price and availability.

  22. 112

    LAB.LTD

    GB based
    Third-party testing statedCOA page linked, not reviewed

    7 products tracked · Delivery Available to order with 2–3 week delivery on premium equipment.

    Pays byCardPayPal
    5.4/ 10PepFinder Score

    We may earn a commission. How this works

    From £4.97/mg (30 mg vial)

    Listing as namedSizePricePer mgStock
    Retatrutide10 mg£69.00£6.90/mgIn stockOn their site ↗
    Retatrutide20 mg£119.00£5.95/mgIn stockOn their site ↗
    Retatrutide30 mg£149.00£4.97/mgIn stockOn their site ↗

    Prices as last checked on their site. Packs are compared per mg of the whole pack. The supplier confirms the final price and availability.

  23. 113
    Orbitrex Peptides logo
    COA page linked, not reviewed

    53 products tracked

    5.4/ 10PepFinder Score

    We may earn a commission. How this works

    From £6.11/mg (36 mg vial)

    Listing as namedSizePricePer mgStock
    Retatrutide 10mg10 mg£79.99£8.00/mgIn stockOn their site ↗
    Retatrutide 20mg20 mg£129.99£6.50/mgIn stockOn their site ↗
    Retatrutide 36mg36 mg£219.99£6.11/mgIn stockOn their site ↗

    Prices as last checked on their site. Packs are compared per mg of the whole pack. The supplier confirms the final price and availability.

  24. 114
    Peptide Zone logo

    Peptide Zone

    GB based

    16 products tracked

    5.4/ 10PepFinder Score

    We may earn a commission. How this works

    From £3.13/mg (40 mg vial)

    Listing as namedSizePricePer mgStock
    Omnitech Retatrutide (20mg Vial)20 mg£100.00£5.00/mgIn stockOn their site ↗
    Retatrutide Pen 30mg30mg
    Liquid
    £140.00—In stockOn their site ↗
    Omnitech Retatrutide (40mg Vial)40 mg£125.00£3.13/mgIn stockOn their site ↗
    VLS RetatrutideAs listed£160.00—In stockOn their site ↗
    Remedium Research RetatrutideAs listed£140.00—In stockOn their site ↗

    Prices as last checked on their site. Packs are compared per mg of the whole pack. The supplier confirms the final price and availability.

  25. 115
    RevIVe Peptides logo
    Third-party testing statedCOA page linked, not reviewed

    24 products tracked · Ships to 36 countries

    Pays byCardBank transferCrypto
    5.4/ 10PepFinder Score

    We may earn a commission. How this works

    From £5.50/mg (40 mg vial)

    Listing as namedSizePricePer mgStock
    GLP-3 40mg40 mg£220.00£5.50/mgIn stockOn their site ↗

    Prices as last checked on their site. Packs are compared per mg of the whole pack. The supplier confirms the final price and availability.

  26. 116
    BioPro Store logo

    BioPro Store

    GB based
    Third-party testing stated

    39 products tracked

    Pays byCrypto
    5.3/ 10PepFinder Score

    We may earn a commission. How this works

    Listing as namedSizePricePer mgStock
    VLS Retatrutide 20mg Pen20mg
    Liquid
    £120.00—In stockOn their site ↗
    Alluvi Retatrutide 20mg Pen20mg
    Liquid
    £120.00—In stockOn their site ↗
    Remedium Retatrutide 30mg Pen30mg
    Liquid
    £149.00—In stockOn their site ↗
    Remedium Retatrutide and Recovery Pen 30mg Bundle30mg
    Liquid
    £224.00—In stockOn their site ↗
    Synedica Retatrutide 40mg Pen40mg
    Liquid
    £165.00—In stockOn their site ↗
    Apex Pharma Retatrutide 40mg Pen40mg
    Liquid
    £150.00—In stockOn their site ↗

    + 2 more on the full catalogue.

    Prices as last checked on their site. Packs are compared per mg of the whole pack. The supplier confirms the final price and availability.

  27. 117
    lavishpeptides.com logo
    Third-party testing stated

    94 products tracked

    5.3/ 10PepFinder Score

    We may earn a commission. How this works

    From £7.87/mg (30 mg vial)

    Listing as namedSizePricePer mgStock
    Retatrutide UK – Premium 5mg Research Peptide | Fast UK & EU Shipping5 mg£49.99£10.00/mgIn stockOn their site ↗
    Retatrutide UK – Premium 5mg Research Peptide | Fast UK & EU Shipping10 mg£78.99£7.90/mgIn stockOn their site ↗
    Retatrutide UK – Premium 5mg Research Peptide | Fast UK & EU Shipping15 mg£129.99£8.67/mgIn stockOn their site ↗
    Retatrutide UK – Premium 5mg Research Peptide | Fast UK & EU Shipping20 mg£159.99£8.00/mgIn stockOn their site ↗
    Retatrutide UK – Premium 5mg Research Peptide | Fast UK & EU Shipping30 mg£236.00£7.87/mgIn stockOn their site ↗

    Prices as last checked on their site. Packs are compared per mg of the whole pack. The supplier confirms the final price and availability.

  28. 118
    Pro-Peptides logo

    Pro-Peptides

    GB based

    21 products tracked

    5.3/ 10PepFinder Score

    We may earn a commission. How this works

    From £3.50/mg (40 mg vial)

    Listing as namedSizePricePer mgStock
    Retatrutide | Research Peptide20 mg£140.00£7.00/mgIn stockOn their site ↗
    Retatrutide | Research Peptide40 mg£140.00£3.50/mgIn stockOn their site ↗

    Prices as last checked on their site. Packs are compared per mg of the whole pack. The supplier confirms the final price and availability.

  29. 119
    OnlineRetatrutide logo
    Third-party testing statedCOA page linked, not reviewed

    21 products tracked

    Pays byCardBank transferCrypto
    5.2/ 10PepFinder Score

    We may earn a commission. How this works

    From £3.33/mg (60 mg vial)

    Listing as namedSizePricePer mgStock
    Retatrutide 20 mg20 mg£129.99£6.50/mgIn stockOn their site ↗
    Retatrutide 40 mg40 mg£159.99£4.00/mgIn stockOn their site ↗
    Retatrutide 60 mg60 mg£199.99£3.33/mgIn stockOn their site ↗

    Prices as last checked on their site. Packs are compared per mg of the whole pack. The supplier confirms the final price and availability.

  30. 120
    Peptide Barn logo

    Peptide Barn

    GB based

    11 products tracked

    5.2/ 10PepFinder Score

    We may earn a commission. How this works

    From £3.17/mg (60 mg vial)

    Listing as namedSizePricePer mgStock
    Retatrutide 20 mg20 mg£110.00£5.50/mgIn stockOn their site ↗
    Retatrutide 40 mg40 mg£160.00£4.00/mgIn stockOn their site ↗
    Retatrutide 60 mg60 mg£190.00£3.17/mgIn stockOn their site ↗

    Prices as last checked on their site. Packs are compared per mg of the whole pack. The supplier confirms the final price and availability.