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MTP-131: Peptide Comparison
Understanding how MTP-131 compares to related mitochondrial and metabolic research peptides clarifies its specific niche in research protocols. The table below contrasts MTP-131 with structurally or functionally related compounds. MTP-131 (Elamipretide) Cardio
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- Understanding how MTP-131 compares to related mitochondrial and metabolic research peptides clarifies its specific niche in research protocols. The table below contrasts MTP-131 with structurally or functionally related compounds.
- MTP-131 (Elamipretide)
- Cardiolipin stabilization
- Inner mitochondrial membrane
- 1–10 mg/kg (rodent); 0.25–40 mg (human)
- Only peptide with nanomolar cardiolipin affinity—directly prevents cristae remodeling
- Gold standard for cardiolipin-specific research; irreplaceable for ischemia-reperfusion and cristae structure studies
- MOTS-C
- Mitochondrial-derived peptide; AMPK activation
- Cytoplasm and nucleus (after mitochondrial export)
- 5–15 mg/kg (rodent)
- Encodes within mitochondrial 12S rRNA; acts as metabolic regulator rather than structural protectant
- Complementary to MTP-131—addresses metabolic signaling, not membrane integrity
- Coenzyme Q10 (Ubiquinone)
- Electron carrier in ETC; antioxidant
- 100–300 mg/day (human)
- Cofactor for Complexes I, II, and III; does not bind cardiolipin
- Supports electron flow but cannot prevent cristae collapse—less targeted than MTP-131
- NAD+ Precursors (NMN, NR)
- NAD+ biosynthesis substrate
- Cytoplasm, then mitochondria
- 250–1000 mg/day (human)
- Boosts NAD+ for sirtuin and PARP activity; indirect mitochondrial benefit
- Upstream metabolic support—effective for NAD+ depletion, not structural mitochondrial damage
- Mitoquinone (MitoQ)
- Targeted antioxidant (ubiquinone + TPP cation)
- Mitochondrial matrix
- 1–5 mg/kg (rodent); 10–20 mg/day (human)
- Accumulates via membrane potential; scavenges ROS but does not stabilize cardiolipin
- ROS-focused—complements MTP-131 but does not address the root cause of cristae destabilization