Imperial Peptides UK vs Peptides Wholesale (US)
By price per mg Peptides Wholesale (US) ranks higher: No. 3 with a price score of 71.0, against No. 5 with 69.3. They share 9 peptides at the standard size. Per mg, Peptides Wholesale (US) is cheaper on all 9 and Imperial Peptides UK on none. This compares prices only, not quality.
imperialpeptides.co.uk
69.3
price score of 100 · No. 5 of 66
Price score 69.3 of 100: price index 0.76, the middle of 9 ratios; below the median on 9, above it on 0, at it on 0.
peptideswholesaleusa.com
71.0
price score of 100 · No. 3 of 66
Price score 71.0 of 100: price index 0.75, the middle of 48 ratios; below the median on 37, above it on 0, at it on 11.
Key to the strips
Each bar is the store's price score on the doubling scale. The ticks above it are its prices, each against the median for the same peptide in the same format; the bar ends at the middle one. The dashed line is the median.
Section 1
Price figures
| Figure | Imperial Peptides UK | Peptides Wholesale (US) |
|---|---|---|
| Price score (of 100) | 69.3 | 71.0 |
| Rank by price | No. 5 | No. 3 |
| Price index (middle ratio) | 0.76 | 0.75 |
| Prices compared | 9 | 48 |
| Below / above the median | 9 / 0 | 37 / 0 |
| Kits / single vials compared | 0 / 9 | 48 / 0 |
Section 2
Shared peptides, price per mg
| Peptide | Imperial Peptides UK | Peptides Wholesale (US) |
|---|---|---|
| BPC-157 10 mg | $3.96 | $0.51 10-vial kit |
| CJC-1295 DAC 5 mg | $9.24 | $1.68 10-vial kit |
| CJC-1295 no DAC 5 mg | $6.60 | $1.77 10-vial kit |
| Epitalon 10 mg | $2.64 | $0.54 10-vial kit |
| KPV 10 mg | $3.96 | $0.52 10-vial kit |
| Melanotan II 10 mg | $2.64 | $0.73 10-vial kit |
| MOTS-c 10 mg | $3.43 | $0.73 10-vial kit |
| PT-141 10 mg | $2.90 | $0.69 10-vial kit |
| SS-31 10 mg | $4.62 | $0.83 10-vial kit |
Section 3
Store facts side by side (shown, not scored)
| Fact | Imperial Peptides UK | Peptides Wholesale (US) |
|---|---|---|
| Ships from | UK (home page FAQ: 'Imperial Peptides UK ships directly from the UK'; home page: 'Orders are picked from UK-held inventory and dispatched using a tracked delivery service.' and 'Based in London serving the UK.')3 | US4 |
| Payment | Pay by bank3 | Crypto4 |
| COA practice | per-batch public. CoAs page ('Testing Archive' in the menu): Janoshik PURITY, HEAVY METALS and ENDOTOXINS links for 26 batches of 17 peptides (78 links), plus 5 for Bacteriostatic Water 10ml. It covers all 16 single-peptide products in the store's product list and MT-1 ('Available @ www.researchsciences.co.uk'); the 4 two-peptide bundles have no entry of their own. It says current batch CoAs are on each product page: BPC-157 10mg and TB-500 5mg each show one batch's 3 links; the BPC-157 & TB-500 bundle shows none, though its FAQ says CoAs 'are available for this product'.3 | per-batch public4 |
| Shipping time | Next working day dispatch by Royal Mail Tracked 24 for all orders (FAQs page; About page: 'Next-day dispatch'), 'usually delivered the next working day' ('Estimated by Royal Mail'); tracking number sent on dispatch. Shipping policy (updated Jul 22, 2026): typically processed in 1 to 2 business days (Monday to Friday, not UK public holidays); Standard 2 to 4 or Express 1 to 2 business days; cost set at checkout by location and service; all times are estimates, not guaranteed. Fee under 99 GBP not stated on the pages read.3 | Dispatch 1 to 2 business days from cleared payment for lines on the shelf, 2 weeks made to order4 |
| Guarantee | No returns once dispatched, citing the specialist, perishable nature of research chemicals and UK Consumer Contracts Regulations exemptions (Refund policy, updated May 26, 2026, section 2). No refunds for unwanted, wrongly ordered or mistaken orders, or orders refused on delivery. Damaged, incorrect or not as described: report within 7 calendar days of receipt with the order number, a short description and at least 3 clear photos (original packaging with the shipping label visible; outer and internal packaging; affected items), which 'may be reviewed using image verification and metadata analysis tools'; the store may then replace, refund in part or in full, or decline 'where evidence is insufficient or inconsistent'. Shipping fees refunded only for the store's own errors. Cancellation only before dispatch. Shipping policy: the same 7 days from delivery for damaged, incomplete or incorrect orders (section 6); orders sent to a freight forwarder get no replacement or refund for onward-transit issues (section 7). Terms (updated Nov 19, 2025) section 7: refunds only for damaged, faulty or wrongly supplied goods.3 | Shortages or transit damage reported within 5 business days, with photographs4 |
| Domain age | 1.1 years (registered Sep 5, 2025)5 | 0.1 years (registered Aug 28, 2026)6 |
| Catalog size | 16 peptides priced | 48 peptides priced |
Sources
- 1Price reads of imperialpeptides.co.uk by PeptidesGrid (our sister site), read Sep 29, 2026.
- 2Price reads of peptideswholesaleusa.com by PeptidesGrid (our sister site), read Oct 4, 2026.
- 3Imperial Peptides UK's own pages, as read by PeptidesGrid (our sister site), checked Sep 29, 2026.
- 4Peptides Wholesale (US)'s own pages, as read by PeptidesGrid (our sister site), checked Oct 4, 2026.
- 5Domain registry record (RDAP or WHOIS), checked Oct 4, 2026.
- 6Domain registry record (RDAP or WHOIS), checked Oct 4, 2026.