Trusted US Peptide Vendor Reviews
Our editorial team independently evaluates each vendor based on laboratory testing transparency, product purity, shipping reliability, customer support quality, and overall trustworthiness. Scores are updated quarterly.
Modern Aminos is the most reviewed vendor with 1569 reviews and 250K+ orders. Industry leader.
Ascension Peptides boasts an impressive 4.8-star rating with 96 reviews. Currently offering 50% off with coupon code.
Puratek Peptides maintains a 4.8-star rating with 25K+ orders. Fast shipping and consistent quality.
Bacteriostatic Water Supplies specializes in research supplies with an excellent 4.8-star rating from 103 reviews.
Mile High Compounds is the longest-running vendor (Est. 2019) with 359 reviews and 4.8-star rating.
Ion Peptide is a top-rated US peptide supplier with over 50K orders and a 4.7-star rating. Known for competitive pricing and fast shipping.
NG Peptide offers fast 2-3 day shipping with a strong 4.7-star rating from 411 reviews. Trusted by 25K+ customers.
Platinum Lion maintains an excellent 4.7-star rating with PayPal support and 15% discount available.
Peptidology has a 4.7-star rating with competitive pricing starting at $8.95.
Pepvida Labs has an excellent 4.6-star rating with 31 products and 20% discount.
Hydro Research has 746 reviews (second most reviewed) with a 4.6-star rating.
Peptira is highly rated with 256 reviews and 50K+ orders. Fast 1-3 day shipping with 25% discount.
Prime Peptides has a 4.5-star rating with 50K+ orders and fast 2-day shipping.
Orbitrex Peptide offers the fastest shipping at 1 day with 183 reviews and 50K+ orders.
Eternal Peptides has fulfilled 25K+ orders with PayPal support. Strong 4.3-star rating.
Glacier Aminos offers specialized products with fast 2-day shipping and a 4.3-star rating.
BioCollex Research offers the lowest price at $8.99 with extensive payment options.
Modern Research offers competitive pricing with a solid 4.2-star rating and 24 products.
EZ Peptides has fulfilled 50K+ orders with a 4.2-star rating and 36 products.
Polaris Peptides is a high-volume vendor with 100K+ orders and 4.2-star rating.
Ruo Bio offers the largest selection with 50 products and 50K+ orders. Wide price range from $10 to $50.
Simple Peptide is a high-volume vendor with 250K+ orders and ultra-fast 1-2 day shipping.
Nextech Labs has a solid 4.0-star rating from 51 reviews.
Southern Aminos offers competitive $9 pricing with fast 2-3 day shipping. Over 50K orders completed with 40 products available.
Alpha Peptides offers competitive pricing with fast 2-3 day shipping. Good value for budget-conscious researchers.
Sunrise Bioresearch offers fast 2-day shipping with 15% discount available. Curated selection of 14 products.
True Peptide is a high-volume vendor with 100K+ orders and 32 products available.
Glow Aminos offers the best discount at 40.5% off with extensive payment options.
Arcane Peptides offers a massive 40% discount with Bitcoin payment support.
Genetic Peptide has the largest catalog with 51 products and 100K+ orders.
Felix Chem offers premium products up to $114 with 50K+ orders fulfilled.
Step One provides a solid selection of 28 products with 10K+ orders fulfilled. Reliable mid-range option.
Oneday Compounds is a newer vendor with flexible payment options including Zelle. Wide price range for various budgets.
LabSourced offers a large catalog of 45 products with 20% discount.
Welli Labs offers fast 1-3 day shipping with 10K+ orders fulfilled.
Crownwell Research is a new vendor with competitive $10.99 pricing and multiple payment options.
LA Peptides has fulfilled 10K+ orders with a focused selection of 15 products.
Riptide Wellness offers a large selection of 36 products with fast shipping.
Research Chem offers ultra-fast 1-2 day shipping with 12.5% discount.
Wellness Peptides offers the lowest base price at $9 with Bitcoin support.
Ignite Peptides offers 20% discount with Venmo support and competitive $9.99 pricing.
Bulk Peptides is the oldest vendor (Est. 2010) specializing in larger quantities.
Paramount Peptides has fulfilled 25K+ orders with PayPal support.
Biolongevity Labs offers PayPal support with competitive pricing.
Omegamino has fulfilled 50K+ orders with PayPal support.
Atomik Labz has 25K+ orders with 35 products and 25% discount available.
Alpha Omega is a high-volume vendor with 100K+ orders and ultra-fast 1-2 day shipping.
Soma Chems is a high-volume vendor with 100K+ orders and fast 2-day shipping.
Lifeways Research is a specialized vendor with a focused selection of 4 products and fast 2-day shipping.
Crush Research is a new vendor with flexible payment options and custom pricing.
Blank Peptides is a new vendor offering flat $10 pricing with fast 2-3 day shipping.
Lumi Peptides offers 20% discount with a good selection of 27 products.
Lumera Labs is a new vendor with budget-friendly pricing starting at $8.
Strate Labs offers the lowest price point at $4.95 with PayPal support.
Amino Sequence offers Bitcoin payment with fast 2-3 day shipping.
Nox Amino offers unique pricing with products starting at $7.14.
Moglabs offers Afterpay support for flexible payment options.
Flawless Compounds offers a massive 40.5% discount with multiple payment options including PayPal and Cash App.
Solution Peptides offers the largest catalog with 45 products and 25% discount.