Compare vendors side by side

Objective grade

• Simple Peptide
  A-71/100
  (best)
• NG Peptide
  A-71/100
  (best)
• Better Peptide
  B69/100
• BioLongevity Labs
  C52/100

Cohort rankAmong every active vendor we audit

• Simple Peptide#1 of 14Top 10%(best)
• NG Peptide#1 of 14Top 10%(best)
• Better Peptide#3 of 14Top 25%
• BioLongevity Labs#11 of 14Lower half

Score breakdown

• Simple Peptide
  • Lab Credibility25/25
  • Purity & Quantity Assay20.3/25
  • Safety Screening5.6/15
  • Batch Recency12.6/15
  • Value ($/mg)5.2/10
  • Community Signal2.3/10
• NG Peptide
  • Lab Credibility15/25
  • Purity & Quantity Assay24/25
  • Safety Screening10.5/15
  • Batch Recency10.8/15
  • Value ($/mg)8.4/10
  • Community Signal1.5/10
• Better Peptide
  • Lab Credibility25/25
  • Purity & Quantity Assay20.8/25
  • Safety Screening4.9/15
  • Batch Recency8.8/15
  • Value ($/mg)8.4/10
  • Community Signal1.4/10
• BioLongevity Labs
  • Lab Credibility15/25
  • Purity & Quantity Assay24.1/25
  • Safety Screening5.3/15
  • Batch Recency5/15
  • Value ($/mg)2/10
  • Community Signal1.4/10

Testing labsShare of current reports · colored by verification tier

• Simple Peptide
  Freedom Diagnostics · 100%
• NG Peptide
  ILS · 100%
• Better Peptide
  Freedom Diagnostics · 100%
• BioLongevity Labs
  MDx BioAnalytical · 78%Av Analytics · 11%BioRegen · 11%

Verification tiersCan anyone confirm the report is genuine?

• Simple Peptide
  • 3rd-Party · Independently Verifiable100%
• NG Peptide
  • 3rd-Party · Unverified Portal100%
• Better Peptide
  • 3rd-Party · Independently Verifiable100%
• BioLongevity Labs
  • 3rd-Party · Unverified Portal100%

Lab credibilityOut of 25 · 25 verifiable, 15 unverified portal, 5 in-house

• Simple Peptide25/25(best)
• NG Peptide15/25
• Better Peptide25/25(best)
• BioLongevity Labs15/25

Independently verifiablePublic lookup (Janoshik task ID / QR, MZ Biolabs portal, Freedom Diagnostics Search Code) confirms the report

• Simple Peptide100%(best)
• NG Peptide0%
• Better Peptide100%(best)
• BioLongevity Labs0%

Average report age

• Simple Peptide49 days(best)
• NG Peptide87 days
• Better Peptide140 days
• BioLongevity Labs172 days

Freshest test

• Simple PeptideOct 22, 2026
• NG PeptideSep 18, 2026
• Better PeptideOct 20, 2026
• BioLongevity LabsOct 7, 2026

Within 90 days

• Simple Peptide82%(best)
• NG Peptide75%
• Better Peptide56%
• BioLongevity Labs11%

Heavy metalsPb · As · Cd · Hg

• Simple PeptideNot tested
• NG Peptide100% of reports(best)
• Better Peptide25% of reports
• BioLongevity LabsNot tested

EndotoxinLAL

• Simple Peptide94% of reports(best)
• NG Peptide25% of reports
• Better Peptide44% of reports
• BioLongevity Labs89% of reports

SterilityUSP <71>

• Simple Peptide82% of reports
• NG Peptide100% of reports(best)
• Better Peptide44% of reports
• BioLongevity LabsNot tested

Net content (mg)Measured vs label

• Simple Peptide100% of reports
• NG Peptide100% of reports
• Better Peptide100% of reports
• BioLongevity Labs100% of reports

HPLC purity onlyNo safety panel at all

• Simple Peptide6%
• NG Peptide0%(best)
• Better Peptide56%
• BioLongevity Labs11%

Average purityHPLC

• Simple Peptide99.76%
• NG Peptide99.60%
• Better Peptide99.80%(best)
• BioLongevity Labs99.75%

Price vs marketEffective $/mg vs each compound's median

• Simple Peptide44% above median
• NG Peptide23% below median(best)
• Better Peptide16% below median
• BioLongevity Labs172% above median

With best coupon

• Simple PeptideNo active code
• NG PeptideNo active code
• Better PeptideNo active code
• BioLongevity LabsNo active code

Lowest $/mgCompounds where they're cheapest

• Simple Peptide0 of 11
• NG Peptide4 of 9
• Better Peptide2 of 12
• BioLongevity Labs0 of 9

Reports on file

• Simple Peptide17 current / 31 total
• NG Peptide12 current / 20 total
• Better Peptide16 current / 19 total
• BioLongevity Labs9 current / 19 total