Mitochondria, SS31 & MOTS-c

9 Jun 2026 · 2 min

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1:41

In this explanatory monologue, the speaker likens inflammation to a building fire and mitochondrial dysfunction to a power outage, emphasizing that damaged mitochondria impair ATP production and manifest as brain fog, fatigue, slow recovery, and poor sleep. The talk introduces two peptides of interest. First, SS31 (elamipretide), an FDA‑approved treatment for a specific mitochondrial disease, is described as a cardiolipin‑binding molecule that stabilizes the inner mitochondrial membrane, preserving its structural integrity and thus supporting efficient energy production. Second, MOTS‑c is presented as a mitochondrial‑derived signaling peptide encoded by mtDNA that communicates metabolic status to the rest of the body. Animal studies show MOTS‑c activates AMPK, enhances glucose utilization, lowers insulin resistance, shifts cellular metabolism toward fatty‑acid oxidation, and dampens inflammatory signaling. Overall, the speaker highlights how these peptides may counteract mitochondrial dysfunction and its systemic consequences.

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If inflammation is like the fire in a building, mitochondrial dysfunction can be like the power outage. So your mitochondria produce ATP. That is the energy currency for literally everything your body does. When mitochondria are damaged or inefficient, you feel it everywhere. That includes with brain fog, slow recovery, fatigue, and sleep just doesn't fix it. Well, let's talk about one of my favorite peptides, SS31 or elamipretide. This peptide's actually FDA approved for a specific mitochondrial disease, but what we've seen in the research is that it protects or stabilizes the inner mitochondrial membrane. It binds to something called cardiolipin, which helps hold the inner mitochondrial membrane together, and structural integrity of the inner mitochondrial membrane is crucial for energy production. When cardiolipin gets damaged or thrown off by oxidative stress or inflammation, your energy production tanks. And then there's MOTS-c. Now this one is different because it's encoded by mitochondrial DNA. So it's a mitochondrial-derived signaling peptide, which means that your mitochondria are actually trying to communicate with the rest of your body using MOTS-c. In animal studies, MOTS-c has been shown to activate AMPK, which is your body's master fuel sensor. MOTS-c has been shown to increase glucose utilization, thereby lowering insulin resistance. And it can shift cells toward fatty acid oxidation or burning over storing. It also appears to reduce inflammatory signals, which we can also put that in the inflammatory bucket, but I like it here.