Vendor comparison
Bridge Research vs Peptide Science Now
Bridge Research is cheaper per mg on 33 of the 37 peptides they share; Peptide Science Now on 4.
Across all 37, Bridge Research’s price per mg is a median 49% lower than Peptide Science Now’s.
- Listings on the index
- 55
- Cheaper per mg on
- 33 of 37 shared
- Certificates of analysis on file
- none yet
- Ships from
- United States
- Latest price check
- 6 Nov 2026
- Listings on the index
- 69
- Cheaper per mg on
- 4 of 37 shared
- Certificates of analysis on file
- none yet
- Ships from
- United States
- Latest price check
- 30 Oct 2026
Retail 37
Purchases of fewer than 10 vials.
- Adipotide
Bridge Research
$15.20/mg
5 mg · $76.00
checked 6 Nov 2026
Peptide Science Now
$8.90/mg
10 mg · $89.00
checked 30 Oct 2026
Peptide Science Now 41% cheaper
- AICAR
Bridge Research
$0.550/mg
100 mg · $55.00
checked 25 Aug 2026
Peptide Science Now
$1.00/mg
50 mg · $50.00
checked 30 Oct 2026
Bridge Research 45% cheaper
- AOD-9604
Bridge Research
$8.00/mg
10 mg · $80.00
checked 6 Nov 2026
Peptide Science Now
$10.83/mg
6 mg · $65.00
checked 30 Oct 2026
Bridge Research 26% cheaper
- ARA-290
Bridge Research
$3.25/mg
16 mg · $52.00
checked 25 Aug 2026
Peptide Science Now
$4.69/mg
16 mg · $75.00
checked 30 Oct 2026
Bridge Research 31% cheaper
- B7-33
Bridge Research
$10.50/mg
10 mg · $105.00
checked 25 Aug 2026
Peptide Science Now
$11.67/mg
6 mg · $70.00
checked 30 Oct 2026
Bridge Research 10% cheaper
- BPC-157
Bridge Research
$3.30/mg
10 mg · $33.00
checked 6 Nov 2026
Peptide Science Now
$9.33/mg
15 mg · $140.00
checked 30 Oct 2026
Bridge Research 65% cheaper
- Cagrilintide
Bridge Research
$11.00/mg
5 mg · $55.00
checked 25 Aug 2026
Peptide Science Now
$14.50/mg
10 mg · $145.00
checked 30 Oct 2026
Bridge Research 24% cheaper
- Cardiogen
Bridge Research
$2.00/mg
20 mg · $40.00
checked 25 Aug 2026
Peptide Science Now
$3.25/mg
20 mg · $65.00
checked 30 Oct 2026
Bridge Research 38% cheaper
- DSIP
Bridge Research
$3.30/mg
10 mg · $33.00
checked 6 Nov 2026
Peptide Science Now
$10.00/mg
5 mg · $50.00
checked 30 Oct 2026
Bridge Research 67% cheaper
- Epithalon
Bridge Research
$1.42/mg
50 mg · $71.00
checked 6 Nov 2026
Peptide Science Now
$3.80/mg
50 mg · $190.00
checked 30 Oct 2026
Bridge Research 63% cheaper
- FOXO4-DRI
Bridge Research
$22.20/mg
10 mg · $222.00
checked 6 Nov 2026
Peptide Science Now
$25.00/mg
10 mg · $250.00
checked 30 Oct 2026
Bridge Research 11% cheaper
- GHK-Cu
Bridge Research
$0.200/mg
100 mg · $20.00
checked 25 Aug 2026
Peptide Science Now
$1.40/mg
50 mg · $70.00
checked 30 Oct 2026
Bridge Research 86% cheaper
- GHRP-2
Bridge Research
$2.60/mg
10 mg · $26.00
checked 25 Aug 2026
Peptide Science Now
$5.00/mg
10 mg · $50.00
checked 30 Oct 2026
Bridge Research 48% cheaper
- GHRP-6
Bridge Research
$20.00/mg
5 mg · $100.00
checked 6 Nov 2026
Peptide Science Now
$5.00/mg
10 mg · $50.00
checked 30 Oct 2026
Peptide Science Now 75% cheaper
- Glutathione
Bridge Research
$0.020/mg
1500 mg · $30.00
checked 6 Nov 2026
Peptide Science Now
$0.142/mg
600 mg · $85.00
checked 30 Oct 2026
Bridge Research 86% cheaper
- Gonadorelin
Bridge Research
$5.20/mg
5 mg · $26.00
checked 25 Aug 2026
Peptide Science Now
$8.50/mg
10 mg · $85.00
checked 30 Oct 2026
Bridge Research 39% cheaper
- Hexarelin
Bridge Research
$10.80/mg
5 mg · $54.00
checked 25 Aug 2026
Peptide Science Now
$9.00/mg
5 mg · $45.00
checked 30 Oct 2026
Peptide Science Now 17% cheaper
- hGH Fragment 176-191
Bridge Research
$7.08/mg
12 mg · $85.00
checked 25 Aug 2026
Peptide Science Now
$10.83/mg
6 mg · $65.00
checked 30 Oct 2026
Bridge Research 35% cheaper
- IGF-1 LR3
Bridge Research
$85.00/mg
1 mg · $85.00
checked 6 Nov 2026
Peptide Science Now
$110.00/mg
1 mg · $110.00
checked 30 Oct 2026
Bridge Research 23% cheaper
- Ipamorelin
Bridge Research
$10.00/mg
10 mg · $100.00
checked 6 Nov 2026
Peptide Science Now
$8.00/mg
10 mg · $80.00
checked 30 Oct 2026
Peptide Science Now 20% cheaper
- Kisspeptin
Bridge Research
$4.00/mg
10 mg · $40.00
checked 6 Nov 2026
Peptide Science Now
$13.00/mg
5 mg · $65.00
checked 30 Oct 2026
Bridge Research 69% cheaper
- KPV
Bridge Research
$2.50/mg
10 mg · $25.00
checked 25 Aug 2026
Peptide Science Now
$11.00/mg
5 mg · $55.00
checked 30 Oct 2026
Bridge Research 77% cheaper
- LL-37
Bridge Research
$7.60/mg
5 mg · $38.00
checked 6 Nov 2026
Peptide Science Now
$19.00/mg
5 mg · $95.00
checked 30 Oct 2026
Bridge Research 60% cheaper
- MOTS-C
Bridge Research
$2.50/mg
40 mg · $100.00
checked 6 Nov 2026
Peptide Science Now
$11.00/mg
10 mg · $110.00
checked 30 Oct 2026
Bridge Research 77% cheaper
- NAD+
Bridge Research
$0.035/mg
1000 mg · $35.00
checked 6 Nov 2026
Peptide Science Now
$0.400/mg
750 mg · $300.00
checked 30 Oct 2026
Bridge Research 91% cheaper
- Oxytocin
Bridge Research
$3.00/mg
10 mg · $30.00
checked 6 Nov 2026
Peptide Science Now
$6.50/mg
10 mg · $65.00
checked 30 Oct 2026
Bridge Research 54% cheaper
- Pinealon
Bridge Research
$2.80/mg
10 mg · $28.00
checked 6 Nov 2026
Peptide Science Now
$3.75/mg
20 mg · $75.00
checked 30 Oct 2026
Bridge Research 25% cheaper
- PNC-27
Bridge Research
$6.50/mg
10 mg · $65.00
checked 25 Aug 2026
Peptide Science Now
$30.00/mg
5 mg · $150.00
checked 30 Oct 2026
Bridge Research 78% cheaper
- Retatrutide
Bridge Research
$1.67/mg
60 mg · $100.00
checked 6 Nov 2026
Peptide Science Now
$15.83/mg
12 mg · $190.00
checked 30 Oct 2026
Bridge Research 89% cheaper
- Selank
Bridge Research
$2.80/mg
10 mg · $28.00
checked 6 Nov 2026
Peptide Science Now
$5.50/mg
10 mg · $55.00
checked 30 Oct 2026
Bridge Research 49% cheaper
- Semaglutide
Bridge Research
$3.33/mg
30 mg · $100.00
checked 6 Nov 2026
Peptide Science Now
$22.50/mg
10 mg · $225.00
checked 30 Oct 2026
Bridge Research 85% cheaper
- Semax
Bridge Research
$2.30/mg
10 mg · $23.00
checked 6 Nov 2026
Peptide Science Now
$2.50/mg
30 mg · $75.00
checked 30 Oct 2026
Bridge Research 8% cheaper
- Sermorelin
Bridge Research
$4.50/mg
10 mg · $45.00
checked 25 Aug 2026
Peptide Science Now
$8.33/mg
15 mg · $125.00
checked 30 Oct 2026
Bridge Research 46% cheaper
- TB-500
Bridge Research
$5.50/mg
10 mg · $55.00
checked 25 Aug 2026
Peptide Science Now
$13.50/mg
10 mg · $135.00
checked 30 Oct 2026
Bridge Research 59% cheaper
- Thymalin
Bridge Research
$2.50/mg
10 mg · $25.00
checked 25 Aug 2026
Peptide Science Now
$6.00/mg
20 mg · $120.00
checked 30 Oct 2026
Bridge Research 58% cheaper
- Tirzepatide
Bridge Research
$1.60/mg
30 mg · $48.00
checked 6 Nov 2026
Peptide Science Now
$16.33/mg
15 mg · $245.00
checked 30 Oct 2026
Bridge Research 90% cheaper
- VIP
Bridge Research
$6.00/mg
10 mg · $60.00
checked 6 Nov 2026
Peptide Science Now
$12.50/mg
6 mg · $75.00
checked 30 Oct 2026
Bridge Research 52% cheaper
| Peptide | Bridge Research | Peptide Science Now | Difference per mg |
|---|---|---|---|
| Adipotide | $15.20/mg 5 mg · $76.00 checked 6 Nov 2026 | $8.90/mg 10 mg · $89.00 checked 30 Oct 2026 | Peptide Science Now 41% cheaper |
| AICAR | $0.550/mg 100 mg · $55.00 checked 25 Aug 2026 | $1.00/mg 50 mg · $50.00 checked 30 Oct 2026 | Bridge Research 45% cheaper |
| AOD-9604 | $8.00/mg 10 mg · $80.00 checked 6 Nov 2026 | $10.83/mg 6 mg · $65.00 checked 30 Oct 2026 | Bridge Research 26% cheaper |
| ARA-290 | $3.25/mg 16 mg · $52.00 checked 25 Aug 2026 | $4.69/mg 16 mg · $75.00 checked 30 Oct 2026 | Bridge Research 31% cheaper |
| B7-33 | $10.50/mg 10 mg · $105.00 checked 25 Aug 2026 | $11.67/mg 6 mg · $70.00 checked 30 Oct 2026 | Bridge Research 10% cheaper |
| BPC-157 | $3.30/mg 10 mg · $33.00 checked 6 Nov 2026 | $9.33/mg 15 mg · $140.00 checked 30 Oct 2026 | Bridge Research 65% cheaper |
| Cagrilintide | $11.00/mg 5 mg · $55.00 checked 25 Aug 2026 | $14.50/mg 10 mg · $145.00 checked 30 Oct 2026 | Bridge Research 24% cheaper |
| Cardiogen | $2.00/mg 20 mg · $40.00 checked 25 Aug 2026 | $3.25/mg 20 mg · $65.00 checked 30 Oct 2026 | Bridge Research 38% cheaper |
| DSIP | $3.30/mg 10 mg · $33.00 checked 6 Nov 2026 | $10.00/mg 5 mg · $50.00 checked 30 Oct 2026 | Bridge Research 67% cheaper |
| Epithalon | $1.42/mg 50 mg · $71.00 checked 6 Nov 2026 | $3.80/mg 50 mg · $190.00 checked 30 Oct 2026 | Bridge Research 63% cheaper |
| FOXO4-DRI | $22.20/mg 10 mg · $222.00 checked 6 Nov 2026 | $25.00/mg 10 mg · $250.00 checked 30 Oct 2026 | Bridge Research 11% cheaper |
| GHK-Cu | $0.200/mg 100 mg · $20.00 checked 25 Aug 2026 | $1.40/mg 50 mg · $70.00 checked 30 Oct 2026 | Bridge Research 86% cheaper |
| GHRP-2 | $2.60/mg 10 mg · $26.00 checked 25 Aug 2026 | $5.00/mg 10 mg · $50.00 checked 30 Oct 2026 | Bridge Research 48% cheaper |
| GHRP-6 | $20.00/mg 5 mg · $100.00 checked 6 Nov 2026 | $5.00/mg 10 mg · $50.00 checked 30 Oct 2026 | Peptide Science Now 75% cheaper |
| Glutathione | $0.020/mg 1500 mg · $30.00 checked 6 Nov 2026 | $0.142/mg 600 mg · $85.00 checked 30 Oct 2026 | Bridge Research 86% cheaper |
| Gonadorelin | $5.20/mg 5 mg · $26.00 checked 25 Aug 2026 | $8.50/mg 10 mg · $85.00 checked 30 Oct 2026 | Bridge Research 39% cheaper |
| Hexarelin | $10.80/mg 5 mg · $54.00 checked 25 Aug 2026 | $9.00/mg 5 mg · $45.00 checked 30 Oct 2026 | Peptide Science Now 17% cheaper |
| hGH Fragment 176-191 | $7.08/mg 12 mg · $85.00 checked 25 Aug 2026 | $10.83/mg 6 mg · $65.00 checked 30 Oct 2026 | Bridge Research 35% cheaper |
| IGF-1 LR3 | $85.00/mg 1 mg · $85.00 checked 6 Nov 2026 | $110.00/mg 1 mg · $110.00 checked 30 Oct 2026 | Bridge Research 23% cheaper |
| Ipamorelin | $10.00/mg 10 mg · $100.00 checked 6 Nov 2026 | $8.00/mg 10 mg · $80.00 checked 30 Oct 2026 | Peptide Science Now 20% cheaper |
| Kisspeptin | $4.00/mg 10 mg · $40.00 checked 6 Nov 2026 | $13.00/mg 5 mg · $65.00 checked 30 Oct 2026 | Bridge Research 69% cheaper |
| KPV | $2.50/mg 10 mg · $25.00 checked 25 Aug 2026 | $11.00/mg 5 mg · $55.00 checked 30 Oct 2026 | Bridge Research 77% cheaper |
| LL-37 | $7.60/mg 5 mg · $38.00 checked 6 Nov 2026 | $19.00/mg 5 mg · $95.00 checked 30 Oct 2026 | Bridge Research 60% cheaper |
| MOTS-C | $2.50/mg 40 mg · $100.00 checked 6 Nov 2026 | $11.00/mg 10 mg · $110.00 checked 30 Oct 2026 | Bridge Research 77% cheaper |
| NAD+ | $0.035/mg 1000 mg · $35.00 checked 6 Nov 2026 | $0.400/mg 750 mg · $300.00 checked 30 Oct 2026 | Bridge Research 91% cheaper |
| Oxytocin | $3.00/mg 10 mg · $30.00 checked 6 Nov 2026 | $6.50/mg 10 mg · $65.00 checked 30 Oct 2026 | Bridge Research 54% cheaper |
| Pinealon | $2.80/mg 10 mg · $28.00 checked 6 Nov 2026 | $3.75/mg 20 mg · $75.00 checked 30 Oct 2026 | Bridge Research 25% cheaper |
| PNC-27 | $6.50/mg 10 mg · $65.00 checked 25 Aug 2026 | $30.00/mg 5 mg · $150.00 checked 30 Oct 2026 | Bridge Research 78% cheaper |
| Retatrutide | $1.67/mg 60 mg · $100.00 checked 6 Nov 2026 | $15.83/mg 12 mg · $190.00 checked 30 Oct 2026 | Bridge Research 89% cheaper |
| Selank | $2.80/mg 10 mg · $28.00 checked 6 Nov 2026 | $5.50/mg 10 mg · $55.00 checked 30 Oct 2026 | Bridge Research 49% cheaper |
| Semaglutide | $3.33/mg 30 mg · $100.00 checked 6 Nov 2026 | $22.50/mg 10 mg · $225.00 checked 30 Oct 2026 | Bridge Research 85% cheaper |
| Semax | $2.30/mg 10 mg · $23.00 checked 6 Nov 2026 | $2.50/mg 30 mg · $75.00 checked 30 Oct 2026 | Bridge Research 8% cheaper |
| Sermorelin | $4.50/mg 10 mg · $45.00 checked 25 Aug 2026 | $8.33/mg 15 mg · $125.00 checked 30 Oct 2026 | Bridge Research 46% cheaper |
| TB-500 | $5.50/mg 10 mg · $55.00 checked 25 Aug 2026 | $13.50/mg 10 mg · $135.00 checked 30 Oct 2026 | Bridge Research 59% cheaper |
| Thymalin | $2.50/mg 10 mg · $25.00 checked 25 Aug 2026 | $6.00/mg 20 mg · $120.00 checked 30 Oct 2026 | Bridge Research 58% cheaper |
| Tirzepatide | $1.60/mg 30 mg · $48.00 checked 6 Nov 2026 | $16.33/mg 15 mg · $245.00 checked 30 Oct 2026 | Bridge Research 90% cheaper |
| VIP | $6.00/mg 10 mg · $60.00 checked 6 Nov 2026 | $12.50/mg 6 mg · $75.00 checked 30 Oct 2026 | Bridge Research 52% cheaper |
Only at Bridge Research: 18 peptides in the same market
Only at Peptide Science Now: 32 peptides in the same market
- Bronchogen
- Cartalax
- Chonluten
- CJC-1295 NO DAC
- Cortagen
- Follistatin-315
- Follistatin-344
- GHK Basic
- GHRH
- Humanin
- Livagen
- Melanotan 1
- MGF
- N-Acetyl Epithalon Amidate
- N-Acetyl Selank Amidate
- N-Acetyl Semax Amidate
- P21
- Pancragen
- PEG-MGF
- Prostamax
- SS-31
- TB-500 Fragment
- Testagen
- Thymogen
- Thymosin Alpha-1
- Triptorelin
- Vesilute
- Vesugen
- Vilon
- Melanotan 2(Bulk)
- PT-141(Bulk)
- Tesamorelin(Bulk)
Bridge Research compared with
- Lab Ratz Research51 shared
- Peptides direct to you47 shared
- Vipris Biotechnology47 shared
- NHOV46 shared
- Huaian Hanyou Peptide43 shared
- Alpha Peptides42 shared
- Catalyst Peptides42 shared
- LabFirst Peptides42 shared
- Peptides GG41 shared
- Research1peptides41 shared
- Biotech Peptides38 shared
- Amino Usa37 shared
- Prime Longevity Peptides37 shared
- Pure Lab Peptides37 shared
- Raw Amino37 shared
- SQS Research37 shared
- Core Peptides36 shared
- Grey Axis Research36 shared
- Luxe Peptides36 shared
- Priority Peptides36 shared
- VPeptide36 shared
- Eros Peptides35 shared
- Peptide Science Store35 shared
- Cenexa Labs34 shared
- Nexus Bio Life34 shared
- Nordsci Peptides34 shared
- OP Labs34 shared
- Grey Matters Research32 shared
- Eppixlabs31 shared
- TrueLab Peptides31 shared
Peptide Science Now compared with
- Peptide Science Store63 shared
- Huaian Hanyou Peptide58 shared
- Peptides direct to you58 shared
- Nordsci Peptides57 shared
- Lab Ratz Research53 shared
- Peptides GG53 shared
- Core Peptides52 shared
- Raw Amino52 shared
- Luxe Peptides51 shared
- NHOV51 shared
- Vipris Biotechnology51 shared
- Amino Usa49 shared
- VPeptide49 shared
- Nexus Bio Life47 shared
- Prime Longevity Peptides45 shared
- Priority Peptides45 shared
- Research1peptides45 shared
- TrueLab Peptides43 shared
- Biotech Peptides42 shared
- Cenexa Labs42 shared
- LabFirst Peptides42 shared
- OP Labs42 shared
- Pure Lab Peptides42 shared
- Grey Axis Research41 shared
- Grey Matters Research41 shared
- Catalyst Peptides40 shared
- Eppixlabs40 shared
- Eros Peptides40 shared
- Alpha Peptides39 shared
- SQS Research33 shared
Two listings are compared only when they are the same peptide in the same market, so a 10-vial kit is never set against a single vial. Price per mg is our arithmetic on the listed price, for comparison; the amount you pay is the listed price for the size shown, so check it on the vendor’s own page before you buy. What price per mg means.
No vendor can pay to change a price or the order of anything on this page. Some outbound links are affiliate links.