Calculator hub

MOTS-c calculators

Reconstitution, dose, mg ↔ units, and vial duration — all four MOTS-c calculators in one place, pre-filled with a 10 mg / 2 mL example.

MOTS-c reference numbers

Derived from the example vial used to pre-fill the calculators below.

Vial
10 mg
mixed with 2 mL BAC water
Concentration
5 mg/mL
5000 mcg/mL
Example dose
5 mg
≈ 100 units on U-100
Doses per vial
2
at 5 mg
Weeks per vial
0.7
at 3× / week

MOTS-c is a peptide encoded inside the mitochondria that people inject for metabolic effects — energy, insulin sensitivity, and exercise capacity. It signals to muscle and fat tissue to use glucose and fat more efficiently, essentially mimicking some effects of exercise at the cellular level. Animal studies show clear improvements in insulin sensitivity and endurance; human data is early. This page covers reconstitution math and a typical 2–3-times-per-week logging cadence.

How the four MOTS-c calculators connect

This tool turns the three numbers on your MOTS-c vial into the only number that matters at injection time: how many units to draw on a U-100 insulin syringe. The math is one formula — concentration in mg per mL equals the milligrams of peptide in the vial divided by the milliliters of bacteriostatic water you add — and every other answer falls out of that.

In the worked example below, a 10 mg vial of MOTS-c reconstituted with 2 mL of BAC water produces a concentration of 5 mg/mL. To draw the example dose of 5 mg from that vial you pull 1.00 mL — about 100 units on a standard insulin syringe. Change any input and the rest updates instantly so you can pre-plan a vial before you ever touch a needle.

Vial size, diluent volume, and dose are the three inputs that genuinely change the answer. Doses-per-vial is a derived output — it's the vial mg divided by the dose mg, rounded down. The most common edge case is a tiny dose: at very high concentration, a 0.1 mL draw is only a few units on the syringe, which is hard to read accurately. If your unit count drops below five, consider reconstituting the next vial with more BAC water so each dose covers a larger volume.

What the MOTS-c calculators cover

This hub gathers the four MOTS-c calculators in one place — reconstitution, dose, mg ↔ units, and vial duration — pre-filled with a 10 mg / 2 mL example so the math is concrete the moment the page loads. MOTS-c sits in the Other category, and the numbers each tool surfaces are tuned to how people actually log this peptide: 3 shots a week at the 5 mg example dose. A mitochondrial-derived peptide (MDP) studied for its role in cellular energy and metabolic regulation.

At the example concentration of 5 mg/mL, a 5 mg MOTS-c dose draws roughly 100 units on a U-100 insulin syringe — the Dose calculator on the hub shows that working in real time, and the mg ↔ units converter flips it back the other way for people who think in milligrams. The Reconstitution calculator answers the day-one question (how much bacteriostatic water to add and what concentration that gives), and the Vial Duration calculator answers the planning question (how many weeks one vial covers).

For this 10 mg MOTS-c vial, the example numbers imply about 2 doses per vial and roughly 0.7 weeks of coverage at 3 doses per week — that's the math the Vial Duration tool exposes, and it's the number most people use to decide when to reorder. Every calculator on the hub uses these same five inputs (vial mg, diluent mL, dose, doses-per-week, syringe type), so changing your real numbers in one tool gives consistent answers across the others.

How people log MOTS-c

Published research and user-documented protocols frequently describe an administration schedule of three times per week or on an every-other-day basis. This cadence is notably different from daily or weekly routines, introducing a significant variable for tracking adherence. The administration itself is typically documented as a subcutaneous injection, using a standard U-100 insulin syringe for measurement and delivery. Due to the relatively large dose size often studied, the choice of final concentration after reconstitution becomes an important practical consideration.

The timing of administration is another variable that individuals may choose to document in a personal log. Some experimental designs have explored the administration of MOTS-c in relation to physical activity, with the goal of studying its influence on exercise-induced metabolic adaptations. Others have examined its effects relative to fasting or fed states. Consequently, a detailed personal log might record not only the dose and date but also the time of day and its proximity to meals or exercise sessions to observe any patterns over time.

Published research protocols often use specific, fixed administration schedules, such as every-other-day dosing, to create a controlled environment. The goal in a formal study is to standardize all inputs to accurately observe the effects of a single variable. In contrast, a personal tracking plan documented on a platform serves the purpose of individual record-keeping and auditing. Users can plan and log their own schedule, which may be structured to mirror a research protocol or adjusted based on personal documentation goals.

Common MOTS-c mistakes to avoid

  • Failing to maintain a strict calendar-based log, leading to the every-other-day schedule drifting into an inconsistent and untrackable pattern.
  • Calculating a unit dose based on a generic concentration instead of the specific concentration derived from their vial size and chosen diluent volume.
  • Reconstituting a 10 mg vial with 2 mL of water and being unprepared for the large 1 mL (100 unit) injection volume required for a 5 mg dose.
  • Confusing MOTS-c's classification as a mitochondrial-derived peptide with unsupported claims about its direct effects on mitochondrial populations.
  • Assuming the administration timing relative to meals or exercise is irrelevant without systematically tracking it as a variable in a personal log.
  • Confusing its studied mechanism with other metabolic peptides, overlooking that its mitochondrial origin represents a distinct signaling pathway.
  • Committing calculation errors when converting between milligrams and micrograms, a frequent issue due to its higher milligram-level doses.
  • Failing to consistently document the administration cadence (e.g., every other day), a key variable studied for its effect on signaling pathways.

Frequently asked questions about MOTS-c

What specifically makes MOTS-c different from other peptides tracked on this site?
MOTS-c is unique because it is a mitochondrial-derived peptide (MDP). This means its genetic code originates from DNA within the mitochondria, not the cell's nucleus. All other peptides in this catalog are either encoded by the nuclear genome or are fully synthetic analogs, making MOTS-c's biological origin fundamentally distinct.
How do I use the calculator to find how many units to draw for a 5 mg dose?
First, you must establish the concentration. If you reconstitute a 10 mg vial with 2 mL of bacteriostatic water, the concentration is 5 mg per mL. Since a U-100 insulin syringe holds 1 mL total, a 5 mg dose requires a full 1 mL of this solution, which equals 100 units on the syringe.
Why is it so important to log every MOTS-c administration date?
The common three-times-per-week or every-other-day schedule lacks the simple repetition of daily or weekly protocols. This irregularity makes it very easy for the schedule to drift over time. A precise log with dates ensures you have an accurate record of the actual frequency, which is necessary to review the consistency of your self-directed protocol.
What is the significance of the AMPK pathway in relation to MOTS-c?
The AMP-activated protein kinase (AMPK) pathway is a primary cellular energy sensor. Much of the scientific research on MOTS-c has studied its ability to influence this pathway. This interaction is the proposed mechanism through which MOTS-c exerts effects on metabolism, and it provides the scientific framework for its investigation in studies of metabolic regulation.
Can I reconstitute the 10 mg vial with a different volume of water, like 1 mL?
Yes, the diluent volume can be adjusted, but it changes the dose calculation. Using 1 mL of water in a 10 mg vial would create a 10 mg/mL solution. A 5 mg dose would then require only 0.5 mL (50 units), which may be a more comfortable injection volume for some individuals. It is critical to use the calculator to convert your desired dose based on your actual concentration.
Was MOTS-c invented in a lab or discovered in nature?
MOTS-c was discovered. A research team at the University of Southern California identified it in 2015 as a naturally occurring peptide produced within mitochondria. It is therefore classified as an endogenous signaling molecule, not a synthetic compound that was invented or designed in a laboratory.
What is the research origin of MOTS-c?
MOTS-c was first described in a 2015 *Cell Metabolism* paper by researchers at the University of Southern California. Its unique characteristic is its origin from the mitochondrial genome, specifically from a small open reading frame in the 12S rRNA gene. This classifies it as a mitochondrial-derived peptide (MDP), distinguishing it from peptides encoded by nuclear DNA.
Why do some study protocols for MOTS-c specify an every-other-day cadence?
The every-other-day or three-times-per-week cadence observed in certain research is planned in relation to the peptide's studied properties. MOTS-c is documented to have a relatively short half-life. An intermittent schedule allows researchers to observe the effects of pulsing or cyclically activating cellular pathways, such as the AMPK pathway, rather than inducing a state of constant saturation that might occur with daily administration.
What does the 'MOTS-c' acronym represent?
The acronym MOTS-c stands for 'Mitochondrial Open reading frame of the Twelve S rRNA-c'. This name is a direct description of its genetic location. It is derived from a small open reading frame (ORF) on the 12S ribosomal RNA (rRNA) gene, which is located in the mitochondrial DNA.

Related on Peptide Pilot

Track MOTS-c doses in the app

Peptide Pilot stores your vial once and derives every subsequent dose, draw, and refill reminder from those numbers automatically.

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