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Buyer's guide · November 2026 · 152 suppliers · United Kingdom · page 2 of 5

Where to buy Retatrutide in the UK: compare suppliers

Suppliers 31 to 60 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 31–60 of 143 with listings on sale (9 more with everything out of stock) · prices in GBP only, never converted

  1. 31
    Atlas Peptides logo
    Third-party testing statedCOA page linked, not reviewed

    33 products tracked · Ships to 1 country

    Pays byBank transfer
    6.8/ 10PepFinder Score

    We may earn a commission. How this works

    From £3.75/mg (40 mg vial)

    Listing as namedSizePricePer mgStock
    Retatrutide (20mg/40mg)20 mg£100.00£5.00/mgIn stockOn their site ↗
    Retatrutide (20mg/40mg)40 mg£150.00£3.75/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. 32
    Bionik Peptides logo
    Third-party testing statedCOA page linked, not reviewed

    81 products tracked · Ships to 36 countries

    Pays byCardBank transfer
    6.8/ 10PepFinder Score

    We may earn a commission. How this works

    From £4.25/mg (40 mg vial)

    Listing as namedSizePricePer mgStock
    Retatrutide30 mg£130.00£4.33/mgIn stockOn their site ↗
    Retatrutide40 mg£170.00£4.25/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.

  3. 33
    Oxford Research Peptides logo
    Third-party testing statedCOA page linked, not reviewed

    62 products tracked

    6.8/ 10PepFinder Score

    We may earn a commission. How this works

    From £2.25/mg (60 mg vial)

    Listing as namedSizePricePer mgStock
    Retatrutide10 mg£45.00£4.50/mgIn stockOn their site ↗
    Retatrutide20 mg£72.00£3.60/mgIn stockOn their site ↗
    Retatrutide30 mg£95.00£3.17/mgIn stockOn their site ↗
    Retatrutide40 mg£108.00£2.70/mgIn stockOn their site ↗
    Retatrutide50 mg£122.00£2.44/mgIn stockOn their site ↗
    Retatrutide60 mg£135.00£2.25/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.

  4. 34
    UKPeptides logo

    UKPeptides

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

    37 products tracked

    Pays byCardBank transfer
    4.1 Trustpilot(64)
    6.8/ 10PepFinder Score

    We may earn a commission. How this works

    Listing as namedSizePricePer mgStock
    GLP-3 (RT)As 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.

  5. 35
    Wild Ginger Peptides logo
    Third-party testing stated

    39 products tracked · Delivery Delivery times are usually 1–3 business days for UK addresses.

    4.4 Trustpilot(12)
    6.8/ 10PepFinder Score

    We may earn a commission. How this works

    From £3.63/mg (40 mg vial)

    Listing as namedSizePricePer mgStock
    Retatrutide 10mg10 mg£54.95£5.50/mgIn stockOn their site ↗
    Retatrutide 20mg20 mg£85.00£4.25/mgIn stockOn their site ↗
    Retatrutide 30mg30 mg£114.95£3.83/mgIn stockOn their site ↗
    Retatrutide 40mg40 mg£145.00£3.63/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.

  6. 36
    biolabsuk.co.uk logo
    Third-party testing stated

    80 products tracked

    6.7/ 10PepFinder Score

    We may earn a commission. How this works

    From £22.00/mg (5 mg vial)

    Listing as namedSizePricePer mgStock
    Triple G 5 mg5 mg£109.99£22.00/mgIn stockOn their site ↗
    Reta 5 mg5 mg£109.99£22.00/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.

  7. 37
    Lab77 Peptides logo
    Third-party testing statedCOA page linked, not reviewed

    120 products tracked · Ships to 1 country

    Pays byCardBank transfer
    6.7/ 10PepFinder Score

    We may earn a commission. How this works

    From £3.30/mg (60 mg vial)

    Listing as namedSizePricePer mgStock
    Retatrutide10mg Pen
    Liquid
    £95.00—In stockOn their site ↗
    Retatrutide10 mg£60.00£6.00/mgIn stockOn their site ↗
    Retatrutide20mg Pen
    Liquid
    £143.00—In stockOn their site ↗
    Retatrutide20 mg£108.00£5.40/mgIn stockOn their site ↗
    Retatrutide30 mg£144.00£4.80/mgIn stockOn their site ↗
    Retatrutide30mg Pen
    Liquid
    £179.00—In stockOn their site ↗

    + 4 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. 38
    Peptide Prime logo
    Third-party testing statedCOA page linked, not reviewed

    39 products tracked

    Pays byBank transferCrypto
    6.7/ 10PepFinder Score

    We may earn a commission. How this works

    From £2.17/mg (60 mg vial)

    Listing as namedSizePricePer mgStock
    Retatrutide10 mg£38.00£3.80/mgIn stockOn their site ↗
    Retatrutide20 mg£55.00£2.75/mgIn stockOn their site ↗
    Retatrutide30 mg£75.00£2.50/mgIn stockOn their site ↗
    Retatrutide50 mg£115.00£2.30/mgIn stockOn their site ↗
    Retatrutide60 mg£130.00£2.17/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.

  9. 39
    RETA LAB UK logo

    RETA LAB UK

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

    78 products tracked · Ships to 1 country

    Pays byCardBank transferCrypto
    6.7/ 10PepFinder Score

    We may earn a commission. How this works

    Listing as namedSizePricePer mgStock
    Retatrutide 10mg10 mg——In stockOn their site ↗
    Retatrutide 20mg20 mg——In stockOn their site ↗
    Alluvi Retatrutide 20mg (R&D)20 mg——In stockOn their site ↗
    Alluvi Retatrutide 20mg20 mg——In stockOn their site ↗
    Alluvi Retatrutide 40mg40 mg——In stockOn their site ↗
    Alluvi Retatrutide 20mg ×2 Bundle2 × 20 mg
    40 mg in total
    ——In stockOn their site ↗

    + 6 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.

  10. 40
    UK Peptide logo

    UK Peptide

    GB based

    90 products tracked

    Pays byCardCrypto
    6.7/ 10PepFinder Score

    We may earn a commission. How this works

    From £4.25/mg (40 mg vial)

    Listing as namedSizePricePer mgStock
    Reta GLP-35 mg£35.00£7.00/mgIn stockOn their site ↗
    Reta GLP-310 mg£50.00£5.00/mgIn stockOn their site ↗
    Reta GLP-315 mg£85.00£5.67/mgIn stockOn their site ↗
    Reta GLP-320 mg£100.00£5.00/mgIn stockOn their site ↗
    Reta GLP-330 mg£130.00£4.33/mgIn stockOn their site ↗
    Retatrutide GLP-3 Pen 40mg40mg
    Liquid
    £150.00—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.

  11. 41
    British Peptide Labs logo
    COA page linked, not reviewed✓ Verified owner

    50 products tracked · Delivery 1-2 working days in the UK · Ships to 1 country · Est. 2026

    6.6/ 10PepFinder Score

    We may earn a commission. How this works

    From £3.63/mg (40 mg vial)

    Listing as namedSizePricePer mgStock
    GLP-310 mg£59.00
    Store's price · 9 Oct 2026
    £5.90/mgIn stockOn their site ↗
    GLP-3 10 mg10 mg£59.00£5.90/mgIn stockOn their site ↗
    GLP-3 30 mg30 mg£110.00£3.67/mgIn stockOn their site ↗
    GLP-330 mg£110.00
    Store's price · 9 Oct 2026
    £3.67/mgIn stockOn their site ↗
    GLP-3 40 mg40 mg£145.00£3.63/mgIn stockOn their site ↗
    GLP-340 mg£145.00
    Store's price · 9 Oct 2026
    £3.63/mgIn stockOn their site ↗

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

  12. 42
    Evolve Labs UK logo
    Third-party testing stated✓ Verified owner

    9 products tracked · Delivery Same or next-day shipping across England, Scotland, Wales, and Northern Ireland. · Ships to 35 countries · Est. 2026

    Pays byBank transferCryptoPayPal
    6.6/ 10PepFinder Score

    We may earn a commission. How this works

    From £5.40/mg (40 mg vial)

    Listing as namedSizePricePer mgStock
    VLS Retatrutide 20mg Pen20mg
    Liquid
    £190.00—In stockOn their site ↗
    Retatrutide 20mg (R&D Only)20 mg£130.99£6.55/mgIn stockOn their site ↗
    Retatrutide 20mg x2 Bundle (R&D Only retatrutide bundle)2 × 20 mg
    40 mg in total
    £179.99£4.50/mgIn stockOn their site ↗
    Alluvi Retatrutide 40mg UK (R&D Only)40 mg£215.99£5.40/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. 43
    Peptides Distro logo

    532 products tracked

    6.6/ 10PepFinder Score

    We may earn a commission. How this works

    From £0.85/mg (20 mg vial)

    Listing as namedSizePricePer mgStock
    Retatrutide Peptide Vials5 mg£11.40£2.28/mgIn stockOn their site ↗
    Retatrutide Peptide Vials10 mg£12.35£1.23/mgIn stockOn their site ↗
    Retatrutide DIY Pen Kit10mg / Yes
    Kit
    £22.20—In stockOn their site ↗
    Retatrutide Peptide Vial Kit10mg / Yes
    Kit
    £20.20—In stockOn their site ↗
    Retatrutide DIY Pen Kit10mg / No
    Kit
    £20.20—In stockOn their site ↗
    Retatrutide Peptide Vial Kit10mg / No
    Kit
    £18.20—In stockOn their site ↗

    + 35 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.

  14. 44
    Alpha Labs UK logo

    15 products tracked

    6.5/ 10PepFinder Score

    We may earn a commission. How this works

    From £4.67/mg (30 mg vial)

    Listing as namedSizePricePer mgStock
    RETATRUTIDE – RESEARCH PEPTIDE COMPOUND (20mg)20 mg£105.00£5.25/mgIn stockOn their site ↗
    RETATRUTIDE – RESEARCH PEPTIDE COMPOUND (30mg)30 mg£140.00£4.67/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.

  15. 45
    BioVanta Research logo
    Third-party testing statedCOA page linked, not reviewed

    93 products tracked · Ships to 1 country

    6.5/ 10PepFinder Score

    We may earn a commission. How this works

    From £3.00/mg (60 mg vial)

    Listing as namedSizePricePer mgStock
    Retatrutide10 mg£44.95£4.50/mgIn stockOn their site ↗
    Retatrutide15 mg£59.95£4.00/mgIn stockOn their site ↗
    Retatrutide20 mg£74.95£3.75/mgIn stockOn their site ↗
    Retatrutide30 mg£101.95£3.40/mgIn stockOn their site ↗
    Retatrutide40 mg£128.95£3.22/mgIn stockOn their site ↗
    Retatrutide50 mg£155.95£3.12/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.

  16. 46
    Elite Lab Peptides logo
    Third-party testing statedCOA page linked, not reviewed

    34 products tracked · Ships to 36 countries

    6.5/ 10PepFinder Score

    We may earn a commission. How this works

    From £3.85/mg (20 mg vial)

    Listing as namedSizePricePer mgStock
    Reta 5mg5 mg£25.95£5.19/mgIn stockOn their site ↗
    Reta 10mg10 mg£46.95£4.70/mgIn stockOn their site ↗
    Reta 20mg20 mg£76.95£3.85/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.

  17. 47
    Peptide Clyde logo
    Third-party testing statedCOA page linked, not reviewed

    33 products tracked · Delivery UK standard delivery is typically 1–3 working days.

    Pays byCardBank transferPayPal
    6.5/ 10PepFinder Score

    We may earn a commission. How this works

    From £5.00/mg (50 mg vial)

    Listing as namedSizePricePer mgStock
    Retatrutide10 mg£79.99£8.00/mgIn stockOn their site ↗
    Retatrutide20 mg£119.99£6.00/mgIn stockOn their site ↗
    Retatrutide50 mg£249.99£5.00/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.

  18. 48
    UK Sterling Peptides logo

    29 products tracked · Ships to 1 country

    Pays byCardCrypto
    6.5/ 10PepFinder Score

    We may earn a commission. How this works

    From £2.67/mg (60 mg vial)

    Listing as namedSizePricePer mgStock
    Retatrutide 10mg10 mg£71.00£7.10/mgIn stockOn their site ↗
    Retatrutide 20mg20 mg£88.00£4.40/mgIn stockOn their site ↗
    Retatrutide 30mg30 mg£106.00£3.53/mgIn stockOn their site ↗
    Retatrutide 40mg40 mg£124.00£3.10/mgIn stockOn their site ↗
    Retatrutide 50mg50 mg£142.00£2.84/mgIn stockOn their site ↗
    Retatrutide 60mg60 mg£160.00£2.67/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. 49
    Ukpeptideco logo

    Ukpeptideco

    GB based

    65 products tracked

    6.5/ 10PepFinder Score

    We may earn a commission. How this works

    From £2.63/mg (40 mg vial)

    Listing as namedSizePricePer mgStock
    RETATRUTIDERetatrutide 20mg PEN
    Liquid
    £80.00—In stockOn their site ↗
    RETATRUTIDE20 mg£70.00£3.50/mgIn stockOn their site ↗
    RETATRUTIDE40 mg£105.00£2.63/mgIn stockOn their site ↗
    RETATRUTIDERetatrutide 40mg PEN
    Liquid
    £130.00—In stockOn their site ↗
    RETATRUTIDERetatrutide 60mg PEN
    Liquid
    £160.00—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. 50
    AURA Peptides UK logo

    15 products tracked · Delivery AURA Peptides UK Skip to content NEXT DAY DELIVERY ON ORDERS BEFORE 3PM CLICK HERE TO JOIN OUR TELEGRAM COMMUNITY & GET 10% OFF FREE DELIVERY ABOVE £70 .

    Pays byCardBank transferCrypto
    3.7 Trustpilot(1)
    6.4/ 10PepFinder Score

    We may earn a commission. How this works

    From £5.50/mg (20 mg vial)

    Listing as namedSizePricePer mgStock
    Reta GLP-310 mg£89.99£9.00/mgIn stockOn their site ↗
    Reta GLP-310mg-starter-pack
    Kit
    £99.99—In stockOn their site ↗
    Reta GLP-320 mg£109.99£5.50/mgIn stockOn their site ↗
    Reta 20mg Research Pen + Kit20mg
    Kit
    £134.99—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.

  21. 51
    British Peptides logo
    Third-party testing statedCOA page linked, not reviewed

    88 products tracked

    4.5 Trustpilot(17)
    6.4/ 10PepFinder Score

    We may earn a commission. How this works

    From £3.75/mg (40 mg vial)

    Listing as namedSizePricePer mgStock
    Reta GLP-35 mg£35.00£7.00/mgIn stockOn their site ↗
    Reta GLP-310 mg£55.00£5.50/mgIn stockOn their site ↗
    Reta GLP-315 mg£80.00£5.33/mgIn stockOn their site ↗
    Reta GLP-320 mg£100.00£5.00/mgIn stockOn their site ↗
    Reta GLP-330 mg£120.00£4.00/mgIn stockOn their site ↗
    Reta GLP-340 mg£150.00£3.75/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.

  22. 52
    Lumia Lab logo

    Lumia Lab

    GB based

    30 products tracked · Ships to 1 country

    3.3 Trustpilot(2)
    6.4/ 10PepFinder Score

    We may earn a commission. How this works

    From £5.25/mg (40 mg vial)

    Listing as namedSizePricePer mgStock
    Retatrutide10 mg£69.95£7.00/mgIn stockOn their site ↗
    Retatrutide20 mg£124.95£6.25/mgIn stockOn their site ↗
    Retatrutide30 mg£169.95£5.67/mgIn stockOn their site ↗
    Retatrutide40 mg£209.95£5.25/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.

  23. 53
    retasupplier.co.uk logo
    Third-party testing statedCOA page linked, not reviewed

    61 products tracked

    6.4/ 10PepFinder Score

    We may earn a commission. How this works

    From £0.54/mg (50 mg vial)

    Listing as namedSizePricePer mgStock
    Retatrutide Lyophilized Peptide Vial 10mg10 mg£13.65£1.37/mgIn stockOn their site ↗
    Retatrutide Lyophilized Peptide Vial 20mg20 mg£15.93£0.80/mgIn stockOn their site ↗
    VLS Retatrutide 20MG Injectable Pen20MG
    Liquid
    £75.95—In stockOn their site ↗
    Alluvi Retatrutide 20MG Injectable Pen20MG
    Liquid
    £80.85—In stockOn their site ↗
    VLS Retatrutide 40MG Injectable Pen40MG
    Liquid
    £134.75—In stockOn their site ↗
    Alluvi Retatrutide 40MG Injectable Pen40MG
    Liquid
    £124.95—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.

  24. 54
    The Peptides Lab logo

    20 products tracked · Ships to 36 countries

    6.4/ 10PepFinder Score

    We may earn a commission. How this works

    From £4.50/mg (30 mg vial)

    Listing as namedSizePricePer mgStock
    Retatrutide10 mg£64.99£6.50/mgIn stockOn their site ↗
    Retatrutide20 mg£109.99£5.50/mgIn stockOn their site ↗
    Retatrutide30 mg£134.99£4.50/mgIn stockOn their site ↗
    Retatrutide40 mg£194.99£4.87/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.

  25. 55
    Wolverine Peptides logo
    Third-party testing stated

    32 products tracked

    Pays byCardCryptoPayPal
    2.8 Trustpilot(3)
    6.4/ 10PepFinder Score

    We may earn a commission. How this works

    From £4.00/mg (40 mg vial)

    Listing as namedSizePricePer mgStock
    Reta Peptide40 mg£160.00£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.

  26. 56
    Nūvo Peptides logo
    Third-party testing stated

    44 products tracked

    Pays byPayPal
    6.3/ 10PepFinder Score

    We may earn a commission. How this works

    Listing as namedSizePricePer mgStock
    R‑Series (GLP3) — Research Grade PeptideR10£110.00—In stockOn their site ↗
    R‑Series (GLP3) — Research Grade PeptideR20£180.00—In stockOn their site ↗
    R‑Series (GLP3) — Research Grade PeptideR30£240.00—In stockOn their site ↗
    R‑Series (GLP3) — Research Grade PeptideR5£70.00—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.

  27. 57
    Peptify UK logo

    Peptify UK

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

    12 products tracked

    6.3/ 10PepFinder Score

    We may earn a commission. How this works

    From £6.00/mg (10 mg vial)

    Listing as namedSizePricePer mgStock
    GLP-3 (RT) 10mg10 mg£59.99£6.00/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.

  28. 58
    Polygon Peptides logo

    24 products tracked

    6.3/ 10PepFinder Score

    We may earn a commission. How this works

    From £7.00/mg (10 mg vial)

    Listing as namedSizePricePer mgStock
    Retatrutide 10mg10 mg£69.99£7.00/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.

  29. 59
    Research Peptides logo
    Third-party testing statedCOA page linked, not reviewed

    74 products tracked · Ships to 1 country

    6.3/ 10PepFinder Score

    We may earn a commission. How this works

    Listing as namedSizePricePer mgStock
    Retatrutide GLP-3 Pen 40mg40mg
    Liquid
    £170.00—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.

  30. 60
    UK Peps - UK Peptides logo
    Third-party testing statedCOA page linked, not reviewed

    16 products tracked

    6.3/ 10PepFinder Score

    We may earn a commission. How this works

    From £2.17/mg (60 mg vial)

    Listing as namedSizePricePer mgStock
    Retatrutide 20mg (GLP-3)20 mg£59.90£3.00/mgIn stockOn their site ↗
    Retatrutide 30mg (GLP-3)30 mg£79.90£2.66/mgIn stockOn their site ↗
    Retatrutide 50mg (GLP-3)50 mg£112.90£2.26/mgIn stockOn their site ↗
    Retatrutide 60mg (GLP-3)60 mg£129.90£2.17/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.