What is Humanin?

What the compound is

Humanin is a short peptide described as mitochondria-derived, meaning its coding sequence sits in mitochondrial rather than nuclear DNA. It is grouped with the longevity peptides in vendor catalogs, alongside other compounds marketed on claims about aging and cellular stress.

That grouping is a marketing convention, not a regulatory or clinical classification. It tells you which shelf a seller puts the vial on. It tells you nothing about whether the compound does what the listing implies.

What arrives is a lyophilized powder in a sealed vial. It has no volume until you add liquid, which is why every practical question about handling it reduces to arithmetic on milligrams and milliliters.

Regulatory status

Humanin is not approved by any regulator for human use. There is no approved label, no approved indication, no approved route, and no approved dose. Vials sold online are supplied for laboratory use.

The practical consequence is that nothing about the product is standardized. Vial contents, purity and labeling accuracy vary by supplier and are not independently verified for the buyer. Two vials with the same number printed on them are not guaranteed to be the same thing.

This site has no medical review process. It will not tell you whether Humanin is safe, whether it works, or what it does in a person. Those are clinical questions. They belong to a clinician, not to a calculator.

What is not known

We hold no reliable human pharmacokinetic data for Humanin. That means this page makes no claim about its half life, how long it takes to clear, whether it accumulates with repeated administration, or how long any effect would persist.

This matters more than it might appear. Pharmacokinetic data is what turns a concentration into a schedule. Without it, there is no defensible basis for spacing, frequency, or steady-state reasoning. Anyone presenting a Humanin protocol with intervals in it is filling that gap with something other than evidence.

So the arithmetic here stops at concentration and volume. Those two numbers follow from the vial and the water with no biology involved. Everything past them is unknown.

Reading the concentration table

The table on this page pairs the vial sizes commonly sold, 5 mg and 10 mg, with the bacteriostatic water volumes commonly used, 1 mL, 2 mL and 3 mL. Concentration is simply the milligrams in the vial divided by the milliliters of water added.

Three things are worth noticing. First, concentration is not a property of the peptide. It is a property of your choice of water volume. The same 10 mg vial reads 10 mg/mL in 1 mL and 3.33 mg/mL in 3 mL, and the powder is identical in both cases.

Second, different vial and water combinations can land on the same concentration. A 5 mg vial in 1 mL and a 10 mg vial in 2 mL both give 5 mg/mL. The measured volume for a given amount would be the same from either, but the larger vial holds more total peptide.

Third, the range across the table is wide. The most concentrated combination shown is the 10 mg vial in 1 mL at 10 mg/mL. The least is the 5 mg vial in 3 mL at 1.67 mg/mL. More water does not add or remove peptide. It only changes how much liquid carries a given amount, which affects how precisely small volumes can be drawn.

Turning concentration into a measured volume

Once you have a concentration, the volume for any given amount is that amount divided by the concentration. Milligrams divided by milligrams per milliliter leaves milliliters. That is the whole calculation.

The amounts appearing in Humanin listings are 1 mg and 5 mg. Note what the second one implies: a 5 mg amount drawn from a 5 mg vial is the entire vial, whatever water volume was used. At that point the water volume no longer changes what you would be drawing, only whether it comes out as a small volume or a large one.

Smaller measured volumes are harder to read accurately on a syringe barrel, and error in reading them scales directly into error in the amount delivered. That is the trade-off behind the water volume choice, and it is a measurement question rather than a clinical one. This page does not recommend a water volume, an amount, or a route.

What we do not know

We hold no reliable human pharmacokinetic data for Humanin, so this site makes no claims about its half life, how long it takes to clear, or how it accumulates. The arithmetic below concerns concentration and volume only.

This page answers arithmetic and handling questions. It does not tell you what dose to take, what to expect, or whether anything is appropriate for you, and there is no medical review behind it.

Common questions

How much bacteriostatic water should I add to a Humanin vial?

There is no correct answer this site can give, because there is no approved dose to work backward from. The table shows what each combination produces so you can see the trade-off. Larger water volumes give lower concentrations and larger, easier-to-read measured volumes; smaller volumes do the opposite.

What is the half life of Humanin?

We hold no reliable human pharmacokinetic data for Humanin, so this site states no half life. Any figure you find quoted elsewhere should be traced back to its source before you rely on it. Without that data, no schedule or dosing interval can be justified.

Is Humanin approved for human use?

No. Humanin is not approved by any regulator for human use. It is sold as a research chemical, which means no approved label, indication, route or dose exists, and no regulator has assessed the product you would receive.

Do a 5 mg vial and a 10 mg vial ever give the same concentration?

Yes. A 5 mg vial in 1 mL and a 10 mg vial in 2 mL both give 5 mg/mL. The concentration is identical, so the same amount would occupy the same measured volume from either. The 10 mg vial simply contains more total peptide.

Does adding more water make the dose weaker?

It makes the liquid less concentrated, not the amount smaller. The vial contains the same milligrams either way. If you draw a fixed amount in milligrams, more water means you measure a larger volume to get it. Weaker per milliliter, same per milligram.

What does Humanin actually do?

This site does not answer that. It has no medical review and makes no claims about what any compound does in a person. What we can say is that no reliable human pharmacokinetic data is held here, which is a separate gap from the effect question and an equally important one.