Questions,
clearly answered.

Yes — both are informal ways people write "peptides". "Pepties" is simply a common misspelling, and "peppers" is slang that circulates in forums and group chats. Everything in this catalog is listed under its proper compound name, so if you arrived searching either word, you are in the right place. All products are supplied for laboratory research use only.

Yes. Research peptides are legal to purchase, possess, and use for legitimate scientific and laboratory research purposes in the United States. They are sold as research chemicals, not as drugs, supplements, or food products. Purchasers are responsible for ensuring compliance with all applicable local, state, and federal regulations.

Solira supplies research-grade compounds to qualified researchers and laboratories, for in vitro and laboratory use only. They have not been evaluated by the FDA, are not formulated or tested for diagnostic or therapeutic use, and are not for human, veterinary, or food use in any form. The purchaser is responsible for the lawful and proper use of any compound purchased.

Research peptides are sold in milligram quantities (typically 5-10mg). This is a very small amount of material that may appear as a thin film or small pellet at the bottom of the vial. We do not add fillers or bulking agents. The quantity stated on the label is the actual amount of active compound in the vial, verified by our testing process.

Yes. Research peptides sold for in-vitro laboratory use are not regulated as prescription drugs in the United States. They are classified as research chemicals and do not require a prescription. Solira supplies these compounds exclusively for laboratory research conducted by qualified researchers, not for human or animal use.

Solira does not require purchasers to submit a research license at checkout, but by purchasing you confirm that the compounds will be used exclusively for laboratory research conducted by qualified researchers in compliance with applicable institutional and federal guidelines. Researchers operating within institutions should consult their institutional review process for research-material acquisition.

GLP-1 (glucagon-like peptide-1) research peptides are synthetic compounds studied as agonists of the GLP-1 receptor — a receptor on pituitary and metabolic cells central to incretin and metabolic-pathway research. Solira supplies coded variants (GLP-1S, GLP-2T, GLP-3R) for laboratory research, characterized by their receptor-agonism profile rather than by drug brand names. These compounds are studied in cultured cell and rodent in-vivo models for receptor-pathway research and are not approved for human use.

Yes. Every batch undergoes independent third-party testing. Lot-specific COAs are available on individual product pages when available, or upon request by contacting our team. Our COAs include HPLC purity data and mass spectrometry identity confirmation. See our full testing process for details.

Lyophilized (freeze-dried) peptides should be stored sealed, dry, and protected from light. For long-term storage, −20°C is recommended. For short-term storage, 2-8°C is acceptable. Once reconstituted using sterile technique, most peptide solutions are stable for up to 30 days when refrigerated at 2-8°C. All handling should follow standard laboratory protocols. For comprehensive guidance see our storage guide.

BPC-157 is a synthetic 15-amino-acid pentadecapeptide studied in connective tissue and gastric mucosa research. TB-500 is a substantially larger 43-amino-acid-class fragment of Thymosin Beta-4, studied in cytoskeletal and cell-migration research. They are structurally distinct compounds answering different research questions, though they appear together in connective tissue research literature. See the full comparison at /research/bpc-157-vs-tb-500/.

Standard reconstitution uses bacteriostatic water (water with 0.9% benzyl alcohol as preservative) or sterile saline. The choice depends on the assay system and downstream methodology in your specific research protocol. Add the solvent slowly along the inside of the vial wall to minimize foaming; do not shake. Allow the lyophilized powder to dissolve fully before use. See the full storage and reconstitution guide.

Lyophilized research peptides stored at −20°C in a sealed dark container retain documented stability for 24 months or longer per manufacturer guidance. Once reconstituted in solution, stability is significantly reduced and depends on the specific compound, buffer system, and storage temperature. Aliquot reconstituted material before freezing to avoid repeated freeze-thaw cycles.

You choose 4 compounds and they ship together as one box each month. It is a fixed term: you are charged the same amount 4 times in total, and then it ends on its own — nothing renews unless you ask. You can cancel at any time from your account, and bacteriostatic water and shipping are included in every box.

Yes. Before each shipment you can swap any item for any other one you like. You have a box credit — the list price of the box on the day you signed up — and the only rule is that your 4 items together stay within it, so your monthly charge never changes. Spend it however you want: trade one expensive item for a cheaper one and the rest of the box gets more room. The box is locked 5 days before each charge because that is when it is packed, so changes made inside that window apply to the following box rather than the one already on its way.

Use the Bulk box builder: pick a compound and size, and one click adds ten vials at the current bulk discount. Add another ten with a second click. For custom quantities beyond that, please contact us directly.

At this time, Solira ships to US domestic addresses only. All orders over $250 qualify for free shipping. Orders placed before 3pm EST ship the same business day.

We accept credit and debit cards through our secure payment gateway. Cryptocurrency payments are also accepted. All transactions are processed securely and your payment information is never stored on our servers.

Due to the nature of research chemicals and the need to maintain supply chain integrity, we do not accept returns on peptide products. If you receive a damaged or incorrect order, please contact us within 48 hours with photographs. We will issue a replacement or store credit at our discretion.

Solira is a US-based direct-source supplier of research-grade peptides, fulfilling all orders from a US fulfillment center to US domestic addresses. Researchers can browse the full catalog at /shop/ — 35 research compounds, single vials and pre-formulated blends alike, with volume pricing applied automatically at checkout. For criteria on evaluating any peptide supplier, see our supplier-evaluation reference.

Solira supplies research-grade peptides verified by independent third-party HPLC and mass spectrometry analysis on every manufactured lot. Solira does not self-certify purity. Our full testing process page documents the workflow, and the criteria for evaluating any peptide supplier are documented in our supplier-evaluation reference.

Solira works through direct manufacturing partnerships to reduce reseller markup. Most peptide vendors operate as intermediaries — they buy from a manufacturer at one price and resell at a 2–5× markup. Direct-source means the supplier has a direct relationship with the manufacturer, eliminating the markup layer. Solira passes the resulting savings to researchers while maintaining the same third-party testing and COA standards required for research-grade purity.

Orders placed before 3 PM Eastern Time ship the same business day from our US fulfillment center. Standard ground shipping arrives in 3–7 business days; Priority arrives in 2–3 business days; 2 Day Express arrives in 2 business days. All orders over $250 qualify for free shipping. Solira ships to US domestic addresses only.