IMPORTANT: No Vendor Affiliations

Peptide Info has NO AFFILIATION with any vendors listed on this page. We receive no compensation, referral fees, or benefits from these companies.

This list is compiled from independent research including:

  • Finnrick Analytics - Independent lab testing results (0-10 scale)
  • Trustpilot Reviews - Customer feedback and ratings
  • Third-Party Testing - Certificate of Analysis (COA) availability
  • Community Forums - Reddit discussions and peer recommendations
Transparent Scoring Formula

Each vendor's score is calculated from three independent sources. We show the math so you can verify it yourself.

50%
Finnrick Lab Testing
Grade A = 95% | B = 85% | C = 75% | D = 65% | F = 50%
Independent lab verification of purity and quantity
25%
Trustpilot Rating
Formula: (Stars ÷ 5) × 100 = %
Example: 2.5★ = 50% (this is an F!) | 4.5★ = 90%
25%
Reddit Sentiment
Formula: Positive ÷ (Positive + Negative) × 100
Example: 10↑ / 10↓ = 50% (this is an F!)
Final Grade Scale: A = 90-100% | B = 80-89% | C = 70-79% | D = 60-69% | F = <60%
When Trustpilot data is unavailable, we use: Finnrick 60% + Reddit 40%

Top Rated Vendors

Vendors to Avoid - Red Flags

These vendors have been associated with quality or safety concerns:

IronMountainLabz

Risk: Counterfeit & Contaminated Products

Phoenix Labs

Risk: Serious Health Complications Reported

About This Vendor List

This list reflects research as of January 2026. Vendor quality and reputation can change. We recommend:

  • Checking Finnrick Analytics for current lab test results
  • Reading recent Trustpilot reviews from verified customers
  • Requesting Certificates of Analysis (COAs) before purchase
  • Consulting healthcare professionals about legal status in your area
Research Sources

Last Updated: January 2026