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Nootropics Depot
One of the most established and trusted vendors in the supplement and nootropics space. Nootropics Depot conducts rigorous in-house HPLC testing on all products. Note: their SARMs category has been discontinued — they now focus on nootropics, vitamins, and herbal supplements.
Chemyo
One of the most consistently recommended SARM and nootropics vendors in the research chemical community. Publishes Janoshik Analytical COAs for every batch. Carries an extensive SARMs line plus a large nootropics catalog. Does not carry traditional peptides.
Receptor Chem
UK-based SARM vendor with an excellent reputation, particularly among the European research community. Receptor Chem publishes third-party COAs from accredited laboratories and is consistently recommended for purity and accuracy of dosing.
Peptide Sciences
US-based peptide specialist with one of the most comprehensive catalogs available, including GLP-1 agonists. Carries BPC-157, TB-500, CJC-1295, Ipamorelin, Semax, Selank, Semaglutide, Tirzepatide, and Retatrutide.
Sports Technology Labs
US-based vendor with a strong reputation for third-party tested SARMs and a growing peptide line including GLP-1 compounds. Carries liquid SARMs alongside BPC-157, Sermorelin, Ipamorelin, CJC-1295, Semaglutide, Tirzepatide, and Retatrutide.
Biotech Peptides
Peptide specialist with a large catalog of 70+ products including GLP-1 agonists. Carries BPC-157, TB-500, Ipamorelin, CJC-1295, GHK-Cu, Semaglutide, Tirzepatide, and Retatrutide.
Blue Sky Peptide
Long-running US peptide vendor with a reputation for quality and consistency built over many years. Blue Sky Peptide provides COAs and has maintained a stable community standing across multiple peptide research forums.
Core Peptides
US-based peptide vendor with solid community standing and COA coverage. Core Peptides is a well-regarded mid-tier option for researchers seeking verified peptides at competitive pricing relative to top-tier vendors.
Limitless Life Nootropics
Peptide specialist known for carrying rare and cutting-edge compounds, including GLP-1/GIP dual and triple agonists. Carries BPC-157, TB-500, Ipamorelin, CJC-1295, Semax, Epithalon, Semaglutide, Tirzepatide, and Retatrutide.
Pinnacle Peptides
US peptide vendor with a solid standing in research communities. Pinnacle Peptides provides third-party tested products with accessible COA documentation. Pricing is competitive and slightly below market average on several key products.
Umbrella Labs
Arizona-based vendor with one of the largest liquid SARM catalogs available, plus a solid peptide and GLP-1 line. Carries RAD-140, MK-677, Ostarine, Cardarine, and many more SARMs alongside BPC-157, TB-500, Semaglutide, Tirzepatide, Retatrutide, Ipamorelin, PT-141, and CJC-1295.
AlgoRX
US-based telehealth and compounding pharmacy offering prescription-grade peptide formulations. AlgoRX provides clinician-supervised treatments including sermorelin, NAD+, and PT-141. Not a traditional research chemical vendor — products require consultation and are compounded for individual patients.
Loti Labs
US-based vendor of SARMs and research peptides with third-party lab testing. Loti Labs has built a respectable reputation in the research community, offering a broad product range at mid-range pricing.
Maxim Peptide
US peptide vendor that has maintained a consistent presence in the research community for several years. Maxim Peptide offers competitive pricing and third-party lab results across a solid peptide catalog.
Paradigm Peptides
US-based vendor offering SARMs, peptides, and ancillary compounds. Paradigm Peptides provides third-party tested products and has maintained a stable community reputation. Known for a broad catalog and consistent stock availability.
Sarms4You
Netherlands-based SARM vendor serving the European market. Sarms4You provides third-party COAs and is one of the more established European SARM sources, making it a popular choice for EU-based researchers avoiding US import issues.
Peptide Warehouse
US-based peptide vendor offering a wide range of research peptides at competitive price points. Peptide Warehouse provides lab test documentation and has accumulated a generally positive community reputation over several years of operation.
Swiss Chems
Established multi-compound vendor offering SARMs, peptides, and nootropics. Swiss Chems provides third-party COAs and has been a consistent option in the community. Primarily sells in capsule form.
Geo Peptides
US peptide vendor known within research communities for competitive pricing and acceptable product quality. Geo Peptides provides COA documentation and maintains an active presence in online research forums.
CEM Store
US-based research chemical vendor that has been operating for many years. CEM Store carries a range of SARMs, peptides, and ancillaries with some quality documentation. Community reception is moderately positive though less active than top-tier vendors.
USA Peptide
US-based peptide vendor with a budget-friendly catalog and adequate COA documentation. USA Peptide is a functional option for price-conscious researchers, though lab testing depth is less comprehensive than premium vendors.
Southern SARMs
US-based SARM vendor that maintained a community presence for several years. Southern SARMs provided third-party lab testing on some products and offered competitive pricing. Reputation is moderate with generally adequate quality reports.
Pure Rawz
Broad-catalog vendor covering SARMs, peptides, nootropics, and ancillaries. Competitive pricing and published third-party test results, though community reception is more mixed compared to top-tier vendors.
Amino Asylum
Budget-focused vendor with a wide catalog spanning SARMs, peptides, nasal sprays, and injectables. Amino Asylum has a dedicated following for competitive pricing. Note: the original aminoasylum.shop domain is inactive — use aminoasylum.net or aminoasylum.llc.
Deus Medical
European pharmaceutical-grade manufacturer producing SARMs, peptides, and ancillary compounds in tablet and injectable form. Deus Medical operates with pharmaceutical manufacturing standards but products are less frequently community-tested by independent researchers compared to US vendors.
Peptide Guys
US peptide vendor offering a standard catalog at competitive pricing. Peptide Guys has a moderate community presence and provides basic quality documentation. A functional mid-tier option for researchers not requiring the highest level of testing documentation.
Behemoth Labz
Multi-compound vendor offering SARMs, peptides, nootropics, and prohormones. Provides lab test documentation and competitive pricing, though community reviews are more mixed than top-tier vendors.
Peptide Pro
US peptide vendor operating at the budget end of the market. Peptide Pro offers accessible pricing and a basic peptide catalog. COA documentation is available for some but not all products, and community feedback is moderately positive.
Wizard Research Chemicals
UK-based research chemical vendor serving the European market. Wizard Research Chemicals offers SARMs and peptides with some lab documentation, positioned as a secondary UK option behind more established vendors like Receptor Chem.
Magnus Pharmaceuticals
Slovenian pharmaceutical manufacturer producing SARMs, peptides, and other research compounds. Products are distributed globally through reseller networks. Quality claims are manufacturer-sourced; limited independent community testing available.
American Science Labs
US vendor offering SARMs and peptides with basic documentation and mid-range pricing. American Science Labs has a limited but generally neutral community presence. COA coverage is present for some products.
Reflex Labs
UK-based SARM vendor serving the British and European market. Reflex Labs has a modest community presence in UK research forums. Quality documentation is available but less thorough than top UK competitors. A secondary option for UK-based buyers.
Enhanced Athlete
High-profile US vendor known for aggressive marketing in the fitness space. Enhanced Athlete has received FDA warning letters and operates in a legal gray area. Sells SARMs in capsule form under branded product names. No peptide line confirmed.
Dragon Pharma SARMs
SARM product line from Dragon Pharma, a well-known underground lab primarily associated with anabolic steroids. While Dragon Pharma has a long track record in the AAS space, their SARM line has less independent quality verification and carries higher uncertainty than purpose-built SARM vendors.
Survival Supplements
UK-based vendor offering SARMs, peptides, and prohormones. Survival Supplements serves the UK and European market with a moderate product range. Community reception is mixed with some quality concerns noted across multiple forums.
SARMS Store (UK)
UK-based SARM vendor with a broad catalog and competitive pricing. SARMS Store UK has received a mixed community response, with some researchers reporting positive experiences while others have noted quality inconsistencies. No independent COAs are publicly available.
SARMs Global
Canadian SARM vendor serving the North American market. SARMs Global offers a range of popular SARM compounds at competitive prices, but independent community testing has revealed quality inconsistencies on some products. COA availability is limited.
SARMtech
US SARM vendor with a straightforward catalog and basic online presence. SARMtech provides limited quality documentation and has a modest community footprint. Below-average trust due to limited transparency.
Iron Dragon Research
Former mid-tier US research chemical vendor that was active in the SARM and peptide space. Iron Dragon had a mixed reputation during its operation period, with both positive and negative community reports. Currently believed to be inactive.
Black Dragon Labs
US-based vendor operating across SARMs, peptides, and prohormones with low pricing. Black Dragon Labs has a limited community presence and minimal quality verification documentation. Products are positioned as budget options with commensurate quality uncertainty.
Peptide Direct
Low-cost peptide vendor with minimal quality documentation. Peptide Direct positions itself on price but lacks the COA transparency and community validation that characterize higher-trust vendors. Community data is limited.
Phcoker
Chinese bulk chemical supplier offering SARMs and peptides primarily aimed at B2B and bulk buyers. Phcoker is not typically recommended for retail research use due to inconsistent purity documentation and the challenges of direct Chinese supplier quality verification.
Primal Muscle
US vendor with an aggressive online marketing presence selling SARMs primarily through fitness-adjacent channels. Primal Muscle has no publicly available third-party COAs and has received predominantly negative reviews from the research community regarding product quality.
SARMs King
Generic-branding SARM vendor with limited verifiable information about their supply chain, testing practices, or operational history. SARMs King appears to be primarily SEO-driven with little genuine community presence.
Ultra SARMs
Low-profile SARM vendor with minimal community footprint and no verifiable third-party quality documentation. Ultra SARMs lacks the community vetting and testing transparency that characterizes trustworthy vendors in this space.
Narrows Labs
INACTIVE — Narrows Labs has ceased operations. The domain narrowslabs.com has been squatted and no longer serves any research chemical content. Do not attempt to purchase from this domain.
Proven Peptides
CLOSED: Proven Peptides was one of the most popular US SARM and peptide vendors from approximately 2017 to 2021. They shut down operations in 2021. Any site currently operating under this name is a scam or impersonator.
Science.bio
CLOSED: Science.bio (formerly IRC.Bio) was a highly trusted US SARM and peptide vendor that operated from approximately 2018 to 2021. They were widely recommended and shut down in 2021. Any site currently using this name is a scam or impersonator.
Rats Army
CLOSED: Rats Army was a popular US vendor known for flavored SARM solutions and strong community engagement. They ceased operations in approximately 2022–2023. Any site currently using this name is an impersonator.