ARA-290 vs B7-33
Which should you choose? Here's what you need to know.
The short answer
ARA-290 and B7-33 are both recovery / healing peptides, but they work differently. A non-erythropoietic peptide derived from EPO that activates the innate repair receptor. Studied for neuropathic pain and tissue repair. A shortened form of relaxin, studied for scarring and tissue fibrosis. Compare vendor pricing and availability below.
On 20 Sep 2026 Peptide Compare tracked 36 vendors selling ARA-290, cheapest in stock $2.26 per mg at Bio Pepz, and 3 selling B7-33, cheapest $10.33 per mg at Biotech Peptides.
ARA-290
Recovery / HealingA non-erythropoietic peptide derived from EPO that activates the innate repair receptor. Studied for neuropathic pain and tissue repair.
B7-33
Recovery / HealingA shortened form of relaxin, studied for scarring and tissue fibrosis.
Price & availability
Once you've decided which peptide fits your needs, here's how they compare on price and vendor options. Prices verified Sep 20, 2026.
ARA-290
B7-33
$29.00
Starting from
$60.00
$9.90
Avg. price per mg
$9.07
36
Vendors selling it
3
33 options
In stock now
1 options
9.0/10
Top trust score
No data
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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.