# USA Prime Peptides

> ≥99% purity research peptides, proteins and amino acids. Third-party tested every batch with a Certificate of Analysis on every lot. Research use only.

USA Prime Peptides (https://usaprimepeptides.com) is a US-based supplier of lab-grade research peptides, proteins and amino acids for laboratories and qualified researchers aged 21+.

Key facts:
- Purity: every lot is HPLC-tested to ≥99% purity and LAL-tested for endotoxins; heavy-metals certificates where available.
- Certificates of Analysis: the current lot's COA is linked on every product page, and the full archive is public at https://usaprimepeptides.com/coa. Vial labels carry a QR code that opens the matching COA.
- Independent lab testing service: researchers can send in peptides they already own for third-party HPLC purity, LC-MS identity, endotoxin, heavy metals, residual solvents, bioburden and sterility testing (https://usaprimepeptides.com/lab-testing).
- Shipping: ships from the USA via USPS Ground Advantage, Priority Mail or Priority Mail Express; free Ground Advantage over $300; cold packs for temperature-sensitive items.
- Pricing: public prices, automatic volume discounts at 5+ and 10+ units of the same item, Subscribe & Save for recurring deliveries.
- Payment: credit/debit cards via Stripe, and Bitcoin. Guest checkout available.
- Contact: support@usaprimepeptides.com · https://usaprimepeptides.com/contact
- Compliance: For research use only. Not for human or veterinary use, diagnostic, or therapeutic purposes. Buyers must be 21+ and attest to research use. The site gives no dosing, administration or protocol guidance.

## Key pages

- [Catalog](https://usaprimepeptides.com/catalog): every compound with strengths, prices, stock and COAs
- [Research library](https://usaprimepeptides.com/research): compound overviews, mechanisms and cited studies
- [COA library](https://usaprimepeptides.com/coa): Certificates of Analysis for every lot
- [How we test and document every lot](https://usaprimepeptides.com/quality): testing methods, COA limitations, evidence labels
- [Verify a lab-testing certificate](https://usaprimepeptides.com/verify): check a certificate's verification code
- [Lab testing service](https://usaprimepeptides.com/lab-testing): third-party testing of peptides you already own
- [FAQ](https://usaprimepeptides.com/faq): purchasing, testing, shipping and payment questions
- [About](https://usaprimepeptides.com/about)
- [Research-use-only policy](https://usaprimepeptides.com/legal/ruo)
- [Shipping Policy](https://usaprimepeptides.com/legal/shipping)
- [Refund Policy](https://usaprimepeptides.com/legal/refunds)
- [Privacy Policy](https://usaprimepeptides.com/legal/privacy)
- [Terms & Conditions](https://usaprimepeptides.com/legal/terms)

## Products

### Metabolic Research

Compounds studied in the context of energy balance, glucose homeostasis, and adipose signaling — including GLP-1/GIP receptor agonists and mitochondrial-targeted peptides that appear widely in current metabolic research literature.

- [5-amino-1mq](https://usaprimepeptides.com/products/5-amino-1mq) — research compound (50mg) — from $45.99: NNMT inhibitor; adipocyte metabolism & metabolic research
- [AICAR](https://usaprimepeptides.com/products/aicar) — research compound (50mg) — from $29.99: AMPK activator; cellular energy, metabolism & endurance research
- [AOD 9604](https://usaprimepeptides.com/products/aod-9604) — research peptide (5mg, 10mg) — from $40.99: HGH fragment 176-191 analog; adipocyte metabolic research
- [Adipotide](https://usaprimepeptides.com/products/adipotide) — research peptide (2mg, 5mg) — from $42.99: Pro-apoptotic peptide targeting adipose vasculature; adipose-tissue research
- [Retatrutide](https://usaprimepeptides.com/products/retatrutide) — research peptide (5mg, 20mg, 60mg) — from $34.99: Triple GIP/GLP-1/glucagon receptor agonist; metabolic research
- [Semaglutide](https://usaprimepeptides.com/products/semaglutide) — research peptide (5mg, 20mg, 50mg) — from $34.99: GLP-1 receptor agonist; glucose control & metabolic research
- [Tirzepatide](https://usaprimepeptides.com/products/tirzepatide) — research peptide (5mg, 40mg, 120mg) — from $23.99: Dual GIP/GLP-1 receptor agonist; glucose regulation & metabolic research

### Reconstitution / Lab Consumable

Bacteriostatic and sterile diluents plus the lab consumables used to prepare lyophilized peptides for in-vitro work. Stocked alongside the catalog so a research order arrives bench-ready.

- [Bacteriostatic Water](https://usaprimepeptides.com/products/bacteriostatic-water) — laboratory diluent (10ml) — from $7.99: Bacteriostatic water; diluent for reconstituting lyophilized peptides

### Longevity / Mitochondrial

Peptides examined in aging-biology research: mitochondrial-derived peptides, epithalamin-class compounds, and NAD⁺-adjacent molecules studied for their roles in cellular senescence and oxidative-stress models.

- [Epithalon](https://usaprimepeptides.com/products/epithalon) — research peptide (50mg, 100mg) — from $58.99: Telomerase-activating tetrapeptide; aging / pineal research
- [FOXO4 DRI](https://usaprimepeptides.com/products/foxo4-dri) — research peptide (10mg) — from $95.99: Senolytic peptide; cellular senescence / aging research
- [Glutathione](https://usaprimepeptides.com/products/glutathione) — research peptide (1500mg) — from $26.99: Master antioxidant; redox / oxidative-stress research
- [MOTS-C](https://usaprimepeptides.com/products/mots-c) — research peptide (20mg, 40mg) — from $39.99: Mitochondrial-derived peptide; metabolic & aging research
- [NAD +](https://usaprimepeptides.com/products/nad-plus) — research compound (100mg, 500mg, 1000mg) — from $25.99: Redox coenzyme; cellular energy, metabolism & aging research

### Myostatin / Muscle Growth

Myostatin-pathway modulators and related compounds used in skeletal-muscle research, including follistatin-class proteins studied in models of muscle-fiber signaling and atrophy.

- [Follistatin 344 95%](https://usaprimepeptides.com/products/follistatin-344-95) — research protein (1mg) — from $71.99: Myostatin/activin antagonist; muscle-growth research

### Cosmetic / Skin

Peptides that appear in dermatological and cosmetic-science research — collagen-signaling fragments, copper peptides, and melanotropin analogs studied in skin-biology and photoaging models.

- [GHK-CU](https://usaprimepeptides.com/products/ghk-cu) — research peptide (50mg, 100mg) — from $15.99: Copper tripeptide; skin remodeling, collagen & wound research
- [SNAP-8](https://usaprimepeptides.com/products/snap-8) — research peptide (10mg) — from $25.99: Acetyl octapeptide-3; SNARE-inhibition anti-wrinkle cosmetic research

### Growth Hormone Axis

Growth-hormone secretagogues, GHRH analogs, and ghrelin-receptor ligands studied in endocrine research on the hypothalamic–pituitary axis and pulsatile GH release.

- [CJC1295 NO DAC 5mg + Ipamorelin 5mg](https://usaprimepeptides.com/products/blend-cjc1295-no-dac-5mg-plus-ipamorelin-5mg) — research peptide blend ((5mg+5mg)) — from $54.99: GHRH + secretagogue blend; synergistic GH-release research
- [CJC 1295 DAC](https://usaprimepeptides.com/products/cjc-1295-dac) — research peptide (5mg, 10mg) — from $58.99: Long-acting GHRH analog (with DAC); sustained GH/IGF-1 research
- [CJC 1295 NO DAC](https://usaprimepeptides.com/products/cjc-1295-no-dac) — research peptide (5mg, 10mg) — from $40.99: Short-acting GHRH analog (Mod GRF 1-29); pulsatile GH-release research
- [GHRP-2](https://usaprimepeptides.com/products/ghrp-2) — research peptide (10mg, 15mg) — from $24.99: Ghrelin-receptor GH secretagogue; GH-release research
- [GHRP-6](https://usaprimepeptides.com/products/ghrp-6) — research peptide (5mg, 10mg) — from $19.99: Ghrelin-receptor GH secretagogue; GH-release & appetite research
- [HGH 191 AA 99%](https://usaprimepeptides.com/products/hgh-191-aa-97) — research protein (10iu, 24iu) — from $27.99: Recombinant human growth hormone (191aa); GH-signaling / anabolic research
- [Hexarelin](https://usaprimepeptides.com/products/hexarelin) — research peptide (5mg, 10mg) — from $40.99: GH secretagogue (ghrelin receptor); GH-release & cardiac research
- [IGF-1 LR3](https://usaprimepeptides.com/products/igf-1-lr3) — research peptide (0.1mg, 1mg) — from $24.99: Long-acting IGF-1 analog; cell growth, proliferation & anabolic research
- [Ipamorelin](https://usaprimepeptides.com/products/ipamorelin) — research peptide (5mg, 10mg) — from $26.99: Selective GH secretagogue; clean GH-release research
- [MGF](https://usaprimepeptides.com/products/mgf) — research peptide (2mg) — from $26.99: Mechano growth factor (IGF-1 splice variant); muscle repair/hypertrophy research
- [PEG-MGF](https://usaprimepeptides.com/products/peg-mgf) — research peptide (2mg) — from $39.99: Pegylated MGF; extended muscle repair/hypertrophy research
- [Sermorelin Acetate](https://usaprimepeptides.com/products/sermorelin-acetate) — research peptide (5mg, 10mg) — from $34.99: GHRH(1-29) analog; GH-release research
- [Tesamorelin](https://usaprimepeptides.com/products/tesamorelin) — research peptide (5mg, 10mg, 20mg) — from $40.99: Stabilized GHRH analog; visceral-fat / GH-axis research

### Melanocortin, Reproductive & Sexual

Melanocortin-receptor agonists and gonadotropin-axis peptides studied in research on pigmentation, reproductive endocrinology, and central melanocortin signaling.

- [HCG](https://usaprimepeptides.com/products/hcg) — research protein (5000iu, 10000iu) — from $35.99: Human chorionic gonadotropin; reproductive-hormone research
- [KISSPEPTIN-10 (fragment)](https://usaprimepeptides.com/products/kisspeptin-10-fragment) — research peptide (5mg, 10mg) — from $28.99: GnRH-stimulating peptide; reproductive-axis research
- [Melanotan 1 (MT-1)](https://usaprimepeptides.com/products/melanotan-1-mt-1) — research peptide (10mg) — from $28.99: alpha-MSH analog; melanogenesis / pigmentation research
- [Melanotan 2](https://usaprimepeptides.com/products/melanotan-2) — research peptide (10mg) — from $27.99: Melanocortin agonist; pigmentation & libido research
- [Oxytocin Acetate](https://usaprimepeptides.com/products/oxytocin-acetate) — research peptide (5mg, 10mg) — from $32.99: Neurohypophyseal hormone; social behavior, bonding & reproductive research
- [PT 141](https://usaprimepeptides.com/products/pt-141) — research peptide (10mg) — from $32.99: Bremelanotide; melanocortin-4 sexual-function research

### Tissue Repair & Cytoprotection

Body-protection compounds and thymosin-class peptides studied in wound-healing, angiogenesis, and cytoprotection models — among the most cited areas of current peptide research.

- [Ara-290](https://usaprimepeptides.com/products/ara-290) — research peptide (10mg) — from $35.99: Innate-repair receptor agonist (EPO-derived); tissue-protection & neuropathy research
- [BPC 157](https://usaprimepeptides.com/products/bpc-157) — research peptide (10mg) — from $34.99: Cytoprotective/angiogenic peptide; tissue-healing & gut research
- [BPC 157 10mg + TB500 10mg + GHK-CU 50mg](https://usaprimepeptides.com/products/blend-bpc-157-10mg-plus-tb500-10mg-plus-ghk-cu-50mg) — research peptide blend ((10mg+10mg+50mg)) — from $76.99: Combined repair peptide blend (BPC-157 / TB-500 based); recovery & wound research
- [BPC157 10mg + TB500 10mg](https://usaprimepeptides.com/products/blend-bpc157-10mg-plus-tb500-10mg) — research peptide blend ((10mg+10mg)) — from $68.99: Combined repair peptide blend (BPC-157 / TB-500 based); recovery & wound research
- [BPC157 5mg + TB500 5mg](https://usaprimepeptides.com/products/blend-bpc157-5mg-plus-tb500-5mg) — research peptide blend ((5mg+5mg)) — from $51.99: Combined repair peptide blend (BPC-157 / TB-500 based); recovery & wound research
- [KLOW](https://usaprimepeptides.com/products/klow) — research peptide blend ((10mg+10mg+50mg+10mg)) — from $64.99: BPC-157 10mg + TB-500 10mg + GHK-Cu 50mg + KPV 10mg blend; recovery & wound research
- [TB-500 (Thymosin Beta-4)](https://usaprimepeptides.com/products/tb-500-thymosin-beta-4) — research peptide (5mg, 10mg) — from $40.99: Thymosin beta-4 (actin regulation); tissue repair, angiogenesis & recovery research

### Neuro / Nootropic / Sleep

Neuropeptides studied in cognition, neuroprotection, and sleep-architecture research, including semax/selank-class heptapeptides and delta sleep-inducing peptide.

- [DSIP](https://usaprimepeptides.com/products/dsip) — research peptide (5mg, 10mg) — from $24.99: Delta sleep-inducing peptide; sleep & stress research
- [Selank](https://usaprimepeptides.com/products/selank) — research peptide (5mg, 10mg) — from $26.99: Anxiolytic peptide (tuftsin analog); anxiety & cognition research
- [Semax](https://usaprimepeptides.com/products/semax) — research peptide (5mg, 10mg) — from $26.99: ACTH(4-10) analog; neuroprotection & cognition research

### Immune & Inflammation

Thymic peptides and immunomodulators studied in immune-signaling and inflammation research, including thymosin-alpha-class compounds with extensive clinical-trial literature.

- [KPV](https://usaprimepeptides.com/products/kpv) — research peptide (10mg) — from $26.99: alpha-MSH(11-13) tripeptide; anti-inflammatory / gut-inflammation research
- [LL37](https://usaprimepeptides.com/products/ll37) — research peptide (5mg) — from $40.99: Human cathelicidin antimicrobial peptide; host-defense / wound research
- [Thymosin Alpha-1](https://usaprimepeptides.com/products/thymosin-alpha-1) — research peptide (10mg, 50mg) — from $64.99: Thymic peptide; immune-modulation research

## Guides and comparisons

- [How to Read a Certificate of Analysis](https://usaprimepeptides.com/learn/how-to-read-a-coa): A walkthrough of every section of a peptide COA — identity, HPLC purity, lot number, and the red flags that separate real lab documents from marketing.
- [HPLC Purity Testing, Explained](https://usaprimepeptides.com/learn/hplc-purity-explained): What high-performance liquid chromatography actually measures, how a purity percentage is calculated from a chromatogram, and why ≥99% matters for research validity.
- [Storing Lyophilized Peptides in the Lab](https://usaprimepeptides.com/learn/lyophilized-peptide-storage): Why research peptides ship as freeze-dried powder, what actually degrades them, and evidence-based storage practice from receipt to long-term archive.
- [LAL Endotoxin Testing and Why It Matters](https://usaprimepeptides.com/learn/lal-endotoxin-testing): Bacterial endotoxins are invisible to HPLC yet can dominate biological results. What the limulus amebocyte lysate assay detects and why every lot gets one.
- [How Research Peptides Are Made](https://usaprimepeptides.com/learn/solid-phase-peptide-synthesis): Solid-phase peptide synthesis from resin to lyophilized vial: Fmoc chemistry, coupling cycles, cleavage, preparative HPLC, and why sequence length drives cost.
- [Reading a Compound's FDA Status](https://usaprimepeptides.com/learn/fda-development-stages): Preclinical, Phase I–III, approved: what each development stage means, what 'research use only' means legally, and how to use the status tracker on our product pages.
- [What Does “Research Use Only” Mean?](https://usaprimepeptides.com/learn/what-research-use-only-means): A plain-language explanation of Research Use Only (RUO) labeling: where the term comes from, what it permits and prohibits, and why RUO peptides are not drugs, supplements or approved products.
- [How to Read Peptide Research Evidence](https://usaprimepeptides.com/learn/how-to-read-peptide-research-evidence): How to tell established evidence from emerging, preclinical and insufficient evidence: study types, why animal results often fail to translate, and how to use the evidence labels on our product pages.
- [Retatrutide vs Tirzepatide vs Semaglutide](https://usaprimepeptides.com/learn/retatrutide-vs-tirzepatide-vs-semaglutide): Three generations of incretin research compared: which receptors each peptide targets, what the published trials measured, half-life and structure, and where each stands with the FDA.
- [BPC-157 vs TB-500 in Tissue Repair Research](https://usaprimepeptides.com/learn/bpc-157-vs-tb-500): The two most-studied repair peptides compared: origin and sequence, the mechanisms proposed in animal models, what has and has not been tested in humans, and regulatory status.
- [CJC-1295 vs Ipamorelin vs Sermorelin](https://usaprimepeptides.com/learn/cjc-1295-vs-ipamorelin-vs-sermorelin): Growth-hormone secretagogue research compared: GHRH analogs versus ghrelin-receptor agonists, why the DAC version of CJC-1295 lasts a week, and what sermorelin's approval history says about the class.
- [Semax vs Selank: Two Russian Regulatory Peptides](https://usaprimepeptides.com/learn/semax-vs-selank): Semax and Selank compared: the ACTH and tuftsin fragments they derive from, the BDNF and GABA mechanisms proposed in rodent studies, and their unusual regulatory history.

## Optional

- [Full text for AI assistants](https://usaprimepeptides.com/llms-full.txt): every research profile, the FAQ and all guides in one file