ARA-290 vs TB-500
Which should you choose? Here's what you need to know.
The short answer
TB-500 is a systemic recovery peptide for muscle and joint injuries. ARA-290 is specialized for nerve repair and neuropathy. Different tissue targets entirely.
On 9 Oct 2026 Peptide Compare tracked 38 vendors selling ARA-290, cheapest in stock $2.26 per mg at Bio Pepz, and 62 selling TB-500, cheapest $3.65 per mg at Pepvida Labs.
ARA-290
Recovery / HealingARA-290 promotes nerve fiber regrowth and repair, with Phase 2b data in sarcoidosis neuropathy. It holds FDA Orphan Drug designation for this indication.
Choose ARA-290 if:
You're specifically dealing with nerve damage, numbness, or neuropathy.
TB-500
Recovery / HealingTB-500 is a synthetic version of Thymosin Beta-4 that promotes cell migration, new blood vessel growth, and systemic recovery. It's popular for muscle tears, joint injuries, and overall healing.
Choose TB-500 if:
You have muscle, joint, or systemic injuries and want broad recovery support.
Price & availability
Once you've decided which peptide fits your needs, here's how they compare on price and vendor options. Prices verified Oct 9, 2026.
ARA-290
TB-500
$29.00
Starting from
$22.95
$9.78
Avg. price per mg
$11.30
38
Vendors selling it
62
36 options
In stock now
74 options
9.0/10
Top trust score
9.1/10
Ready to buy?
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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.