ARG-BPC-157 5 mg
£25.00
ARG-BPC-157 is the arginine (arginate) salt form of Body Protection Compound-157. Same 15-amino-acid BPC-157 peptide sequence, but complexed with L-arginine instead of acetate or HCl. Studied for improved room-temperature stability and additional NO substrate delivery. Available to buy in the UK, 5mg, 99%+ HPLC purity.
- Peptide sequence: Identical to standard BPC-157 (GEPPPGKPADDAGLV)
- Salt form: L-arginine complex (not acetate, not HCl)
- Purity: ≥99% (HPLC & MS)
- Quantity: 5 mg per vial
- Compare with: standard BPC-157 (acetate form)
- Storage: -20°C (lyophilised) · 2-8°C (reconstituted)
ARG-BPC-157 5mg UK – Arginate Salt Form
ARG-BPC-157 is an alternative salt formulation of BPC-157. The 15-amino-acid peptide sequence (GEPPPGKPADDAGLV) is identical to standard BPC-157. The difference is the counterion: where standard BPC-157 is typically supplied as an acetate or hydrochloride salt, ARG-BPC-157 is complexed with the amino acid L-arginine.
ARG-BPC-157 vs Standard BPC-157: What Is the Difference?
| ARG-BPC-157 (this product) | Standard BPC-157 | |
| Peptide sequence | GEPPPGKPADDAGLV (identical) | GEPPPGKPADDAGLV (identical) |
| Counterion | L-arginine | Acetate / HCl |
| Stability claim | May be more stable at room temperature | Standard stability |
| NO substrate | L-arginine is substrate for NOS (NO synthase) | No additional NOS substrate |
| Research positioning | Used when additional NO substrate delivery is relevant | Standard reference compound |
Why the Arginate Form?
The ARG (arginate) formulation has attracted research interest for two reasons:
1. Improved stability. Some researchers report that the arginate salt shows better room-temperature stability than the acetate form. Systematic comparative data is limited, but the hypothesis is supported by general peptide chemistry principles around salt form and stability.
2. Additional L-arginine delivery. L-arginine is the direct substrate for nitric oxide synthase (NOS), the enzyme that produces NO. Because BPC-157’s mechanism of action already heavily involves NO system modulation, delivering L-arginine alongside the peptide may provide additional NOS substrate at the site of activity. This is a hypothesis-level consideration that has driven comparative research.
Product Specifications
| Peptide | BPC-157 (arginate salt) |
| Sequence | GEPPPGKPADDAGLV |
| CAS (base peptide) | 137525-51-0 |
| Salt form | L-arginine complex |
| Purity | ≥99% (HPLC & MS verified) |
| Form | White lyophilised powder |
Related Products
Compare with standard BPC-157 5mg (acetate). Also available: ARG-BPC-157 Nasal Spray, ARG-BPC-157 oral capsules (100mcg x 60), and ARG-BPC-157 capsules (200mcg x 60). Browse Recovery & Repair.
Frequently Asked Questions
Is ARG-BPC-157 different from standard BPC-157?
The peptide itself is identical. The difference is the counterion: arginate (L-arginine) vs acetate. This may affect stability and provides additional L-arginine at the site of activity, which could be relevant given BPC-157’s NO-system mechanism.
Which should I choose: ARG-BPC-157 or standard BPC-157?
For most general BPC-157 research, the standard acetate form is the reference compound used in published studies. ARG-BPC-157 is relevant when additional L-arginine delivery is experimentally desired or when enhanced stability at ambient conditions is a research requirement.
Is ARG-BPC-157 more expensive than standard BPC-157?
Pricing is similar between the two forms. See current prices in the product listings.
For research and laboratory use only. Not for human or veterinary consumption.
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