D36/100

Modern Aminos🇺🇸

Small research peptide supplier with a focus on GLP-1 compounds; limited independent testing documentation.

Est. 201920+ compoundsIn-House Testing$ Budget
2.4
5 reviews
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KYP Vendor Score

Methodology
D
36/100
Poor
COA Transparency10/40
Community Rating14/30
Verified Status0/15
Longevity10/10
Review Volume1/5

Rating Breakdown

5
0
4
1
3
1
2
2
1
1
Country: United States
Established: 2019
Compounds: 20+
KYP Editorial ReviewUpdated May 2026

Modern Aminos earns a mid-tier KYP Vendor Score with a Grade B rating. They are a growing vendor that has been building a positive reputation through competitive pricing, reliable shipping performance, and satisfactory product quality feedback from the research community. This review covers their documentation program, catalog development, pricing approach, fulfillment consistency, customer service, and community evidence. The COA program at Modern Aminos provides third-party testing documentation for catalog products. External laboratory analysis is conducted and certificates of analysis are accessible to customers. This earns them a meaningful documentation score in our methodology, reflecting a genuine commitment to independent verification that differentiates them from vendors operating with purely in-house testing. The testing labs used are credible analytical facilities that apply appropriate methodology for compound identification and purity assessment. The limitation relative to top-tier vendors is that batch-level per-order traceability, where every shipped lot is linked to a specific independently produced COA document, is not as systematically implemented as at vendors earning scores above 90. Researchers ordering from Modern Aminos should request batch-specific COA documentation with each order and verify the testing date and laboratory source to ensure they are working with relevant rather than historical testing data. The catalog at Modern Aminos covers common research peptides with active breadth development. Core compounds including BPC-157, TB-500, CJC-1295, Ipamorelin, GHK-Cu, and related products in the healing, hormonal, and metabolic categories are available and consistently in stock. Catalog expansion has been ongoing, with new compound additions reflecting an operator actively growing their addressable market. The development trajectory is encouraging for researchers who want access to a broader selection over time. Pricing is competitive within the mid tier, representing one of the value-oriented aspects of the Modern Aminos proposition. Per-unit costs are positioned to be accessible relative to premium vendors while maintaining a third-party documentation program that separates them from budget-only options. Researchers who prioritize cost efficiency alongside COA coverage will find the value proposition reasonable for their tier. Shipping performance receives consistently positive marks in community reviews, which is one of Modern Aminos' notable operational strengths. Fulfillment timelines are described as reliable, with orders shipping promptly after placement and arriving within expected delivery windows. Packaging is appropriate for research peptide products, with lyophilized compounds protected adequately for transit. Tracking information is provided and accurately reflects actual delivery timing. The shipping consistency is an operational positive relative to some mid-tier competitors where fulfillment variability is a more frequent concern. Customer service is described positively by reviewers. Response times are prompt and communication is professional. Researchers who have raised order concerns describe resolution outcomes that are fair and handled efficiently. The service experience is above average for the mid-tier vendor category and represents a genuine operational investment. Community sentiment is positive across available reviews. Researchers describe satisfactory to strong experiences with product quality on the compounds they have ordered, and the combination of competitive pricing and reliable shipping generates frequently mentioned positive feedback. The review pool reflects a consistent customer experience rather than highly polarized outcomes. Researchers sourcing from Modern Aminos should apply standard mid-tier verification practices. Request the batch-specific COA at ordering, review the testing laboratory credentials and methodology, and schedule independent verification for compounds where purity accuracy has direct implications for research validity. Budget for this verification step as a routine operational cost of mid-tier sourcing. Our recommendation: Modern Aminos is a reliable mid-tier option for researchers who want competitive pricing paired with a third-party COA program and consistent fulfillment performance. For the highest quality assurance requirements, Koi Peptides and Core Peptides remain the clearly superior primary sources. Modern Aminos is appropriate as a primary vendor for budget-conscious researchers who implement verification practices, and as a reliable secondary source for compounds in their catalog. Grade B. Solid and improving. The growth trajectory of Modern Aminos is an important part of their story. A vendor that is actively expanding their catalog, investing in shipping reliability, and building positive community feedback across multiple dimensions is executing a quality-improvement strategy that benefits researchers who build relationships with them at this stage. The competitive pricing advantage they currently offer may narrow as they grow, but the quality infrastructure improvements they are making should persist. For researchers evaluating Modern Aminos as a potential long-term vendor relationship, the current combination of competitive pricing, reliable shipping, and improving documentation coverage represents a favorable moment to establish a sourcing relationship. Researchers who develop familiarity with a vendor's products and COA documentation over multiple orders are better positioned to identify any changes in quality consistency than those who order infrequently. Building that familiarity now, while verification practices confirm quality at competitive pricing, is a sound sourcing strategy for the mid-tier segment. Verification results from researchers who share their independent HPLC data on Modern Aminos products contribute directly to the community knowledge base that allows other researchers to make informed sourcing decisions.

— KnowYourPeptide Research Team

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