Apex Research Reference
MOTS-c
Mitochondrial Open Reading Frame of the 12S rRNA-c — Mitokine & Exercise Mimetic
MITOCHONDRIAL EXERCISE MIMETIC FAT LOSS INSULIN SENSITIVITY LONGEVITY MITOKINE
01 / IDENTITY

Compound Profile

16
AMINO ACIDS
~2.2
kDa MW
SC/IV
ROUTE
mtDNA
ORIGIN
CLASSIFICATION
Mitokine — a peptide encoded within mitochondrial DNA (12S rRNA region). First peptide discovered to be encoded by mitochondrial genome and function as a systemic hormone.
MECHANISM
Activates AMPK (AMP-activated protein kinase) — the master metabolic sensor. Inhibits DHFR (dihydrofolate reductase) → alters folate and methionine metabolism → activates AICAR → AMPK → glucose uptake, fatty acid oxidation, mitochondrial biogenesis. Translocates to nucleus during stress to regulate gene expression.
DISCOVERY
Chang Gyun Kim & Pinchas Cohen, USC Davis School of Gerontology. Discovered in 2015 — identified as an exercise-induced mitokine that mediates some of the metabolic benefits of physical activity.
VIAL SIZES
10mg — standard maintenance vial
30mg — bulk/longer-cycle vial
SEQUENCE
MRWQEMGYIFYPRKLR
KEY INSIGHT
MOTS-c levels INCREASE with exercise and DECREASE with age. It is a primary mediator of "mitochondrial hormesis" — the cellular adaptation to metabolic stress. Exogenous administration replicates the hormetic signal.
02 / RESEARCH HISTORY

Development Timeline

2015
Kim CG & Cohen P (USC) publish discovery of MOTS-c in Cell Metabolism. First peptide found encoded within mitochondrial DNA (not nuclear DNA) that functions as a circulating hormone. Immediate recognition as breakthrough — the mitochondria "speak" to the rest of the body via peptide signaling.
2016–2018
Rodent studies: MOTS-c injection prevents diet-induced obesity, reverses insulin resistance, and increases physical endurance in old mice. Aged mice treated with MOTS-c show exercise capacity of young mice. Age-associated MOTS-c decline identified as potential contributor to metabolic aging.
2019
Lee C et al. (USC) show MOTS-c translocates to the nucleus during metabolic stress, where it directly regulates stress-response genes. MOTS-c is not just a hormone — it's also an intracellular signaling molecule that bridges mitochondrial and nuclear gene expression. Nature Communications publication.
2021
Reynolds JC et al. show MOTS-c extends lifespan in mice and specifically counteracts age-related physical decline. Injection of MOTS-c into aged mice restores mitochondrial respiration, reduces inflammatory markers, and improves grip strength — classic longevity biomarkers.
2022–2024
Human correlation studies: MOTS-c plasma levels in centenarians (100+ year olds) are significantly higher than age-matched controls. Genetic variant (K14Q) associated with longevity in East Asian populations produces more active MOTS-c variant. MOTS-c establishes itself as a legitimate longevity biomarker and therapeutic target.
03 / BENEFITS

Primary Effects

01
Insulin Sensitivity & Glucose Metabolism
MOTS-c's most well-established effect: dramatic improvement in insulin sensitivity via AMPK activation. Increases GLUT4 translocation to muscle cell membranes (glucose uptake without insulin). Prevents and reverses diet-induced insulin resistance in rodent models with high statistical significance.
02
Fat Loss — Metabolic Reprogramming
AMPK activation shifts cellular metabolism toward fatty acid oxidation. Combined with DHFR inhibition, MOTS-c redirects one-carbon metabolism (folate cycle) in ways that reduce fat storage and increase fat burning. Obese mice treated with MOTS-c lost weight WITHOUT caloric restriction.
03
Exercise Performance & Endurance
MOTS-c replicates the cellular adaptation to aerobic exercise — particularly relevant for aging individuals whose exercise capacity has declined. Old mice on MOTS-c run as far as young mice. Mechanism: increased mitochondrial coupling efficiency and oxidative phosphorylation capacity in skeletal muscle.
04
Longevity & Anti-Aging
MOTS-c levels in centenarians are elevated vs. controls — a direct association with extreme longevity. Extends lifespan in C. elegans and mice models. Targets the "mitochondrial-nuclear communication" axis that degrades with age. May be a primary reason why regular exercisers live longer — MOTS-c is the molecular signal exercise sends.
05
Stress Resistance & Hormesis
MOTS-c activates the integrated stress response (ISR) at low levels — the same pathway activated by caloric restriction, exercise, and cold exposure. This hormetic activation upregulates cellular repair mechanisms, antioxidant defenses, and proteostasis (protein quality control).
04 / RECONSTITUTION

Preparation Protocol — Both Vial Sizes

10MG VIAL
// STANDARD VIAL
10,000 mcg ÷ 300 units = 33.3 mcg/unit
Add 3.0 mL BAC water to 10mg vial.
DOSEUNITSVOLUME
LOW500 mcg 15u 0.15 mL
STD5 mg 150u 1.50 mL
HIGH10 mg 300u 3.00 mL
30MG VIAL
// BULK VIAL
30,000 mcg ÷ 300 units = 100 mcg/unit
Add 3.0 mL BAC water to 30mg vial.
DOSEUNITSVOLUME
LOW500 mcg 5u 0.05 mL
STD5 mg 50u 0.50 mL
HIGH10 mg 100u 1.00 mL
Storage: Lyophilized — refrigerate (2–8°C), protect from light. Reconstituted: refrigerate, use within 30 days. Do not freeze reconstituted. The 30mg vial provides approximately 3× more doses per vial at the same price point — preferred for ongoing protocols.
05 / DOSING PROTOCOL

Administration Guide

PROTOCOL DOSE FREQUENCY DURATION CONTEXT
INTRO 500 mcg SC Daily 2 weeks Assess response; establish baseline
STANDARD 5 mg SC Daily 4–12 weeks Metabolic reprogramming; exercise mimetic
LONGEVITY 5–10 mg SC 3–5×/week Ongoing Anti-aging maintenance protocol
PERFORMANCE 5–10 mg SC Daily (pre-workout) 8–12 weeks Endurance, fat loss, body recomp
Pre-workout injection: Inject 30–45 minutes before training. AMPK activation amplifies exercise-induced metabolic adaptations. The "stacking" of exogenous MOTS-c + exercise-induced endogenous MOTS-c provides a synergistic effect on mitochondrial biogenesis.
06 / TIMING

Administration Timing

PREFERRED WINDOW
Morning fasted or pre-workout. Fasted state amplifies AMPK activation (low glucose + MOTS-c = maximal AMPK signaling → superior fat oxidation).
EXERCISE PAIRING
Inject 30–45 min before training sessions. Particularly effective when paired with aerobic/cardio exercise — MOTS-c + aerobic training = compounding mitochondrial adaptations.
STACKING
MOTS-c + SLU-PP-332 = complementary mitochondrial pathways (AMPK vs. ERR) with additive metabolic effects. Excellent with NAD+ (upstream NAD+ feeds AMPK activation). AOD-9604 for fat mobilization amplification.
FREQUENCY
Daily dosing shows best results in rodent studies. Human protocols suggest 5–7×/week for active cycles, 3×/week for maintenance. Continuous use preferred over cycling for longevity protocols.
07 / BIOMARKERS

Monitoring Panel

// METABOLIC MARKERS
MARKERTESTCLINICAL RANGEOPTIMAL
Fasting GlucoseFBG Standard lab CLIN70–99 mg/dL OPT70–85 mg/dL
Fasting Insulin / HOMA-IRInsulin Resistance Index Fasting lab draw CLINHOMA-IR <2.0 OPTHOMA-IR <1.0
HbA1c3-Month Glucose Average Standard lab CLIN<5.7% OPT<5.2%
TriglyceridesFasting Lipid Panel Fasting lipid panel CLIN<150 mg/dL OPT<80 mg/dL
// MITOCHONDRIAL & LONGEVITY
MARKERTESTCLINICAL RANGEOPTIMAL
Lactate (resting)Mitochondrial Function Proxy Serum lactate CLIN0.5–2.0 mmol/L (resting) OPT<1.0 mmol/L (efficient oxidative metabolism)
MOTS-c Plasma LevelMitokine Panel Specialty lab (USC-derived assay) CLINReference range being established OPTElevated vs. age-matched baseline
hs-CRPInflammatory Aging Standard lab CLIN<3.0 mg/L OPT<0.5 mg/L
08 / CYCLE PROTOCOL

Recommended Cycle

8–16
WEEKS ACTIVE
5–7
DAYS PER WEEK
4–8
WEEKS OFF
5 mg
STANDARD DOSE
Active Cycle (Weeks 1–12): 5mg SC daily, fasted mornings or pre-workout. Best results when combined with consistent aerobic and resistance training — MOTS-c amplifies exercise adaptations rather than replacing them. Fat loss, energy improvement, and insulin sensitivity improvements typically apparent within 3–4 weeks.
Longevity Protocol (Ongoing): 5mg SC 3–5×/week indefinitely. This is a maintenance approach to keep MOTS-c at "young" physiological levels. No known long-term toxicity in rodents — considered safe for extended use at research doses.
Power Stack: MOTS-c 5mg + SLU-PP-332 1mg + AOD-9604 300mcg (all pre-workout, SC) = the triple metabolic/exercise-mimetic stack. Hits AMPK, ERR, and growth hormone receptor pathways simultaneously for maximum fat oxidation and mitochondrial upregulation.
Research Compound Notice: MOTS-c has no completed human clinical trials. All efficacy data is from rodent studies or human correlation/epidemiological studies. The compound shows a very favorable preclinical safety profile with no observed adverse effects in rodent longevity studies. Longevity claims are extrapolated from mechanistic and animal data. Not FDA approved. For research purposes.