Research Comparisons
Comparisons
Side-by-side research breakdowns to help you understand the differences between commonly compared peptides and supplements.
Recovery & Tissue Repair
Metabolic & Weight Loss
Metabolic
Berberine vs Metformin
Blood sugar comparison — AMPK activation, clinical data, cost, and when to use each.
Metabolic
Semaglutide vs Tirzepatide
GLP-1 comparison — weight loss data, FDA status, and head-to-head clinical trial results.
Metabolic
Semaglutide vs Tirzepatide vs Retatrutide
Three generations of GLP-1 peptides compared — single, dual, and triple agonist side by side.
Growth Hormone
Performance & Energy
Cognitive & Nootropic
Longevity
Longevity
Epitalon vs NAD+
Longevity comparison — telomere biology vs mitochondrial metabolism, evidence quality, and cost.
Longevity
NMN vs Niacin
NAD+ precursor comparison — pathways, cost, flushing, and what the research actually shows.
Longevity
NMN vs NR vs Niacin
NAD+ precursor triple comparison — pathways, cost, flushing, and 2026 head-to-head trial data.