Frequently Asked Questions

Peptides are small amino acid chains found naturally in biological systems. By replicating these naturally occurring signals, researchers can target specific organs or biological functions in research models. There are over 3,500 known peptides, and the field of peptide research is constantly expanding.

Not necessarily. Peptides are amino acid chains that signal biological functions or target organs to perform specific tasks. For example, once collagen is synthesized in a research model, it remains. Fibroblasts receive a signal to increase collagen production, and then they carry out that function. Each peptide is different, so the specific target and function determines the recommended research protocol length and frequency.

Yes. Research has examined GHK-Cu in topical applications including dermaroller protocols across various models. Peptides are not gender-specific in their biochemical mechanisms — they function based on biological signaling and cellular pathways.

Stability varies significantly by peptide. Some peptides like TB-500 degrade more quickly, while many GLP-1 compounds can remain effective for approximately 90 days after reconstitution. Beyond that window, potency may diminish. Unreconstituted peptides (before liquid is added) can remain stable for 18 months to over a year when stored properly. The reconstitution liquid also matters — bacteriostatic water works for most peptides, but some (like IGF-1) are better preserved with acetic acid.

Start with your goals. Ask yourself: “What three specific outcomes am I looking for?” With over 3,500 known peptides, the options are extensive. Just because a particular combination works well for one researcher’s objectives doesn’t mean it’s the best fit for yours. Selecting peptides based on your own specific research goals is the most effective approach.

Yes. Many researchers combine peptides with complementary mechanisms of action into “stacks” targeting multiple research objectives simultaneously. For example, peptides supporting collagen synthesis can be paired with those studied for regenerative or metabolic pathways. However, compatibility matters — some peptides should not be stored together in the same vial (see our GHK-Cu storage note below). Always review the specific compatibility and stability profiles before combining compounds in your research protocols.

Lyophilized (freeze-dried) peptides are in a dry powder form. This is the most stable state for long-term storage, with shelf life ranging from 18 months to several years when stored properly at recommended temperatures.

Reconstituted peptides have been dissolved in a liquid (typically bacteriostatic water or acetic acid, depending on the peptide). Once reconstituted, stability is reduced and the solution should be refrigerated and used within the timeframe specified for that particular compound.

GHK (glycyl-L-histidyl-L-lysine) is a naturally occurring peptide found in human plasma, saliva, and urine. Key research findings include:

• Age-related relevance: GHK naturally declines with age, making its role in extracellular signaling a significant area of investigation.
• Copper complex: GHK forms a complex with copper (Cu²+), which has been extensively studied for its role in tissue remodeling and extracellular matrix regulation in research models.
• Collagen support: Research indicates it interacts with collagen synthesis signaling pathways and matrix metalloproteinase regulation in studied biological models.
• Extracellular matrix: Supports glycosaminoglycan production and extracellular matrix remodeling for improved skin texture and elasticity.
• Tissue support: Studies show it enhances collagen, dermatan sulfate, chondroitin sulfate, and small proteoglycans.
• Tissue response: Research demonstrates it attracts immune and endothelial cells to injury sites, a significant area of study in regenerative research models.
• Aesthetic research: Studies suggest improvements in skin elasticity, density, and firmness.

Research suggests that once collagen is synthesized in models, it remains intact. Peptides are not compounds that require indefinite use in research protocols — they are amino acid chains that trigger a specific biological function. Once a particular effect has been observed, continued administration may not be necessary to maintain that observed effect. Many researchers do continue protocols because of the broad range of studied mechanisms, but continuation is not required to preserve prior research observations.

No — this is an important storage consideration. GHK-Cu (copper peptide) is not compatible for long-term storage with BPC-157, TB-500, or KPV. The copper will denature those proteins and render them ineffective. Degradation begins within approximately 24 hours of blending.

• BPC-157 + TB-500 can be stored together without issue, as they remain stable without copper present.
• Blended formulations containing GHK-Cu are designed for professional research environments where the entire vial is used within the same day.

Bottom line: Purchase GHK-Cu separately from other peptides and store it in its own vial.

GHK-Cu has a relatively short half-life of approximately 30 minutes. Research suggests separating GHK-Cu from mineral-based compounds (particularly zinc) in experimental protocols, as they may compete for the same metal-binding sites. This is a standard consideration when designing research protocols involving copper-containing peptides alongside mineral compounds.

The GLOW Stack is a research-focused combination built around five key areas: collagen synthesis signaling, dermal matrix research, metabolic pathway investigation, gastrointestinal peptide studies, and cellular regeneration models. It includes GHK-Cu, BPC-157, and TB-500 — three peptides with complementary research profiles.

BPC-157 (Body Protection Compound-157) is a synthetic peptide derived from a protective protein found in gastric juice. It is one of the most widely studied peptides in regenerative research. Key areas of study include:

• Gastrointestinal research: Extensively studied for its effects on gut lining integrity and mucosal protection.
• Tissue repair: Research suggests it may support connective tissue, tendon, and ligament repair processes.
• Inflammation: Studies indicate involvement in modulating inflammatory pathways.

BPC-157 is compatible for storage with TB-500 but should not be stored with GHK-Cu (copper peptide) in the same vial.

TB-500 (Thymosin Beta-4) is a synthetic version of a naturally occurring peptide present in virtually all human and animal cells. Research focuses on:

• Cell migration: Studies show TB-500 promotes cell migration to sites of injury.
• Tissue regeneration: Research indicates involvement in new blood vessel formation and tissue remodeling.
• Inflammation modulation: Studied for its role in regulating inflammatory responses.

TB-500 is often paired with BPC-157 in research protocols. Note that TB-500 degrades faster than many other peptides after reconstitution.

KPV is a tripeptide (Lys-Pro-Val) derived from alpha-melanocyte-stimulating hormone (alpha-MSH). It is an area of active research interest for:

• Inflammation: Studies suggest KPV may modulate inflammatory signaling pathways.
• Gut health: Research indicates potential involvement in intestinal inflammation and barrier function.
• Immune modulation: Studied for its effects on immune cell activity.

KPV should not be stored with GHK-Cu in the same vial due to copper-mediated degradation.

MOTS-c (Mitochondrial Open Reading Frame of the 12S rRNA-c) is a mitochondria-derived peptide that has gained significant research attention. Key areas of study include:

• Mitochondrial function: Research suggests MOTS-c enhances mitochondrial activity and may promote mitochondrial biogenesis (the creation of new mitochondria).
• Metabolic research: Studies indicate involvement in cellular energy metabolism and metabolic rate.
• Exercise performance: Emerging research explores its role in mitochondrial biogenesis and cellular energy metabolism pathways.

Tesamorelin is a growth hormone-releasing hormone (GHRH) analog that has been studied across various research contexts. Research areas include:

• Growth hormone secretion: Studied for its ability to stimulate the pituitary gland to release growth hormone.
• Visceral adipose tissue: Research has focused on its effects on abdominal fat distribution.
• Body composition: Studied for its potential role in body recomposition research protocols.

Snap-8 (acetyl octapeptide-3) is a topical peptide studied for its ability to modulate neurotransmitter release at the skin surface. It is commonly used in serums and alongside microneedling or nanoneedling protocols in aesthetic research. SBB offers a topical serum combining GHK-Cu and Snap-8, designed for researchers exploring topical peptide applications or looking to complement existing aesthetic research protocols.

DAC stands for Drug Affinity Complex. CJC-1295 on its own has a relatively short half-life of approximately 30 minutes in circulation. By adding DAC, the peptide’s active duration is significantly extended, allowing for less frequent research protocols. CJC-1295 without DAC follows a pattern more closely aligned with natural hormonal cycling, which some researchers prefer for that reason.

Both are multi-receptor agonist peptides currently under study, but they differ in their mechanisms:

Tirzepatide — Dual agonist (GLP-1 + GIP):

• GLP-1: Studied for its role in appetite signaling pathways and glucose metabolism mechanisms in research models.
• GIP: Researched for its effects on chronic inflammation modulation.

Retatrutide — Triple agonist (GLP-1 + GIP + Glucagon):

• Includes the same GLP-1 and GIP activity as Tirzepatide.
• Adds a glucagon agonist, which research suggests may influence metabolic pathways related to substrate utilization and mitochondrial function in research models.
• Research indicates potential effects on metabolic rate and body composition parameters in experimental settings.

Separate research has shown over a 600% increase in collagen production in fibroblasts from GHK-Cu, which is why many researchers pair GHK-Cu alongside GLP-1 compounds in comprehensive research protocols.

Glutathione is a tripeptide (glutamate, cysteine, glycine) naturally produced in every cell of the body. It is one of the most studied antioxidant compounds. Research areas include:

• Antioxidant defense: Known as the body’s “master antioxidant,” glutathione plays a central role in neutralizing free radicals and reactive oxygen species.
• Detoxification: Extensively studied for its role in liver function and Phase II detoxification pathways.
• Immune function: Research indicates glutathione levels are closely linked to immune cell activity and function.

NAD+ (Nicotinamide Adenine Dinucleotide) is a coenzyme found in every living cell. It is essential for hundreds of metabolic processes. Key research areas:

• Cellular energy: NAD+ is critical for converting nutrients into cellular energy (ATP) through mitochondrial function.
• DNA repair: Studies show NAD+ is required for the activity of sirtuins and PARP enzymes involved in DNA maintenance.
• Aging research: NAD+ levels naturally decline with age, making its replenishment a significant area of longevity research.

We currently accept Zelle and Venmo for all orders. After placing your order, you will receive payment instructions with the exact amount due. Once payment is confirmed, your order will be processed and shipped.

Browse our shop, add items to your cart, and proceed through checkout. You’ll need to complete the required compliance acknowledgments, provide shipping information, and select your payment method. A payment link with instructions will be sent to your email after order submission.

Orders can be modified or cancelled before they ship. Once an order has shipped, our standard return policy applies. Contact sales@sbbpeptides.com as soon as possible if you need to make changes to a pending order.

Yes. We work with qualified research institutions, clinics, and distributors through our wholesale program. Wholesale inquiries are handled by our sales team. Contact sales@sbbpeptides.com for wholesale pricing and order forms.

Yes. All personal information is encrypted and stored securely. We never share your information with third parties beyond what is necessary to fulfill your order (shipping carrier, payment processing). Our platform uses industry-standard encryption and security measures.

Standard shipping is a $25 flat rate on all orders. Orders over $500 qualify for free shipping. Expedited shipping is available for $50. All orders ship from Gilbert, AZ via EasyPost/USPS.

Standard shipping typically takes 3–5 business days within the continental United States. Expedited shipping is 1–3 business days. Shipping times begin once your order has been processed and a label has been created.

Once your order ships, you will receive an email with your tracking number and a link to track your package. You can also check your order status by logging into your account on our website.

Currently, we only ship within the United States. We are evaluating international shipping options for the future. All products are shipped in compliance with applicable US regulations.

Contact us at sales@sbbpeptides.com within 48 hours of the expected delivery date if your package is lost or arrives damaged. We will file a claim with the carrier and arrange a replacement or refund. Please include your order number and photos of any damage.

Lyophilized (freeze-dried) peptides are stable at ambient temperatures for the duration of standard shipping. They do not require cold-chain shipping. Once received, store them according to the guidelines provided with your order for maximum shelf life.

All SBB products are available at SBBpeptides.com. Our peptides are 100% USA-made, pharmaceutical-grade, Research Use Only compounds. All products are independently third-party tested by US laboratories.

All SBB peptides are synthesized in the United States using Solid Phase Peptide Synthesis (SPPS), the gold standard for research-grade peptide production. Our manufacturing partners maintain strict quality control protocols and GMP-aligned processes throughout synthesis.

All our peptides meet or exceed 98% purity as verified by HPLC (High Performance Liquid Chromatography) testing. Many products achieve 99%+ purity. Every batch undergoes independent testing by US-based laboratories.

Yes. Every batch is accompanied by a Certificate of Analysis from independent third-party US laboratories. COAs verify purity, identity, and the absence of contaminants. Our dual-lab verification process means each batch is tested by two separate laboratories for additional confidence. COAs are available for download on each product page.

Our quality assurance protocol includes multiple analytical methods:

• HPLC: High Performance Liquid Chromatography for purity verification.
• Mass Spectrometry: Confirms molecular identity and weight.
• Endotoxin Testing: Ensures products are free of bacterial endotoxins.
• Sterility Testing: Verifies microbiological safety.

All testing is performed by independent US-based laboratories with no affiliation to our manufacturing partners.

Lyophilized (freeze-dried) peptides: Store at -20°C or colder for long-term storage. They can be kept refrigerated (2–8°C) for shorter periods. Protect from light, moisture, and repeated freeze-thaw cycles.

Reconstituted peptides: Refrigerate at 2–8°C and use within the timeframe specified for that particular compound. Do not freeze reconstituted solutions unless specifically indicated.

The most common reconstitution liquid is bacteriostatic water (BAC water), which works for the majority of peptides. However, some peptides have specific requirements:

• Most peptides: Bacteriostatic water (BAC water)
• IGF-1 and similar: Acetic acid solution, which provides better long-term stability

Always check the product documentation for specific reconstitution instructions for each peptide.

Compatibility depends on the specific compounds:

• Compatible for co-storage: BPC-157 + TB-500 are stable together.
• NOT compatible for co-storage: GHK-Cu (copper peptide) should never be stored with BPC-157, TB-500, or KPV. Copper denatures these proteins within approximately 24 hours.

Rule of thumb: When in doubt, store each peptide in its own separate vial.

Shelf life depends on the form and storage conditions:

• Lyophilized (sealed): 18 months to 2+ years when stored at -20°C
• Lyophilized (refrigerated): 6–12 months at 2–8°C
• Reconstituted: Varies by peptide. TB-500 degrades faster, while many GLP-1 compounds remain effective for approximately 90 days. Check product-specific documentation.

We offer a 30-day return guarantee for unopened items in their original packaging. Items must be undamaged, sealed, and returned with proof of purchase. Due to the nature of our products, we cannot accept returns on opened or reconstituted items.

Email sales@sbbpeptides.com with your order number and reason for return. Do not ship items back without prior authorization. We will provide return instructions and an RMA (Return Merchandise Authorization) number. Unauthorized returns may not be processed.

Refunds are processed within 5–7 business days after we receive and inspect your return. The refund will be issued to your original payment method. You will receive an email confirmation when your refund has been processed.

Contact us immediately at sales@sbbpeptides.com with your order number and a photo of what you received. We will ship the correct item at no additional charge and provide a prepaid return label for the incorrect item. Shipping errors are fully covered by SBB.

All SBB products are classified as Research Use Only (RUO). This means they are intended solely for research, laboratory, and analytical purposes — not for human or veterinary consumption, diagnostic use, or therapeutic purposes. This classification is standard for research-grade peptides and is required for legal compliance.

All purchasers must be 21 years of age or older. This age requirement ensures that our products are purchased by individuals with the maturity and understanding to handle research compounds responsibly and in accordance with applicable regulations.

The five compliance acknowledgments at checkout are legally required to ensure all purchasers understand:

• Products are for research purposes only
• The age requirement (21+)
• Products are not for human consumption
• Responsibility for proper handling and storage
• Agreement to our Terms of Service

These acknowledgments protect both you and SBB while maintaining legal compliance.

Individual researchers do not typically need a specific license for personal research purchases. However, you must be at least 21 years old and acknowledge our terms of service, including the agreement that products will be used only for legitimate research purposes.

PepTalk is a free educational resource dedicated to the future of peptide research. Featuring insights from industry leaders, scientists, and pioneers driving research forward, PepTalk provides comprehensive peptide education including research guidance, reference libraries, and community-driven knowledge sharing.

PepTalk is currently in development and launching soon. Stay tuned for updates.

You can reach us at sales@sbbpeptides.com for any questions about orders, products, wholesale inquiries, or general support. We typically respond within 1–2 business days. You can also use the contact form on our Support page.

Yes! We offer both an affiliate program and a brand partnership program for individuals and organizations aligned with our mission. Affiliates earn commission on referred sales, and brand partners gain access to co-branded opportunities. Visit our Brand Partners & Affiliates page to apply.