Which should you choose? Here's what you need to know.
AICAR and Epithalon are both metabolic / longevity peptides, but they work differently. A synthetic tetrapeptide studied for its potential to activate telomerase and extend telomere length. One of the most discussed longevity peptides. Compare vendor pricing and availability below.
On 20 Sep 2026 Peptide Compare tracked 8 vendors selling AICAR, cheapest in stock $0.760 per mg at Ruo Bio, and 56 selling Epithalon, cheapest $1.50 per mg at Amino Sequence.
A synthetic tetrapeptide studied for its potential to activate telomerase and extend telomere length. One of the most discussed longevity peptides.
Once you've decided which peptide fits your needs, here's how they compare on price and vendor options. Prices verified Sep 20, 2026.
Our top-rated vendor for each, based on trust scores, purity testing, and price.
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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.