Humanin vs SS-31
Which should you choose? Here's what you need to know.
The short answer
Humanin and SS-31 are both metabolic / longevity peptides, but they work differently. A mitochondria-derived peptide with cytoprotective properties. Studied for neuroprotection, metabolic regulation, and cellular stress response. A mitochondria-targeted peptide (also known as Elamipretide) that stabilizes cardiolipin in the inner mitochondrial membrane. Studied for mitochondrial dysfunction. Compare vendor pricing and availability below.
On 19 Sep 2026 Peptide Compare tracked 7 vendors selling Humanin, cheapest in stock $12.15 per mg at Oasis Labs, and 28 selling SS-31, cheapest $2.40 per mg at Aavant Research.
Humanin
Metabolic / LongevityA mitochondria-derived peptide with cytoprotective properties. Studied for neuroprotection, metabolic regulation, and cellular stress response.
SS-31
Metabolic / LongevityA mitochondria-targeted peptide (also known as Elamipretide) that stabilizes cardiolipin in the inner mitochondrial membrane. Studied for mitochondrial dysfunction.
Price & availability
Once you've decided which peptide fits your needs, here's how they compare on price and vendor options. Prices verified Sep 19, 2026.
Humanin
SS-31
$46.00
Starting from
$35.00
$11.31
Avg. price per mg
$6.43
7
Vendors selling it
28
4 options
In stock now
32 options
6.6/10
Top trust score
9.1/10
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Where does this data come from?
We re-check vendor prices continuously and score vendors on Finnrick blind-test results — samples bought anonymously and sent to a lab, not vendor claims. No vendor can pay to rank higher. See our full methodology.