Live vendor comparison

Cheapest LL-37 — 2026

Updated today

The cheapest LL-37 right now is $27.50 at Ascension Peptides (per 5mg). We compare 13 vendors with normalized per-mg pricing so you're comparing apples to apples. Prices update continuously.

LL-37 pricing across our tracked vendors ranges $27.50 (cheapest) to $104.37 (most expensive) — a 280% spread for what should be the same compound. Median is ~$86.00. That's a huge spread, which usually means the cheapest vendor is either passing on bulk-buying advantage or cutting corners on QC. Always cross-check the cheapest vendor's COA before ordering. Cheapest vendor changes ~weekly based on restocks and discount cycling.

RankVendorPriceSize
#1Ascension Peptides$27.50 / 5mg10mg @ $55.00Buy →
#2Peptira$39.00 / 5mg5mgBuy →
#3Pantheon Peptides$63.50 / 5mg5mgBuy →
#4SomaChems$63.99 / 5mgBuy →
#5Modern Aminos$64.00 / 5mg5mgBuy →
#6Swiss Chems$71.99 / 5mg5mgBuy →$25 off $100+·auto
#7Biotech Peptides$86.00 / 5mg5mgBuy →
#8Polar Peptides$86.39 / 5mg5mgBuy →
#9Core Peptides$89.00 / 5mg5mgBuy →
#10LeoLab Rx$90.00 / 5mg5mgBuy →
#11UK Peptides$93.05 / 5mg5mgBuy →
#12BioLongevity Labs$94.97 / 5mg5mgBuy →
#13PureRawz$104.37 / 5mg5mgBuy →

Why this page exists

Peptide prices vary wildly between vendors — sometimes by 3x or more for the exact same compound at the same purity. Vendors use different quantity sizes to obscure comparisons. PeptidePrices normalizes every price to a standard unit so you can see the real cheapest deal.

How we rank: Only in-stock listings are shown. Prices are deduplicated per vendor (cheapest variant only). Non-normalized listings (missing quantity data) are excluded. See our full methodology.

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