S-23 Peptide For Sale
Buy S-23 peptide capsules. Compare live prices across 14+ vetted vendors with real cost per capsule, verified COAs and discount codes.
Buy S-23 peptide capsules starting at $62.96/bottle from 14+ vetted vendors. Compare capsule bottle options by cost per capsule, price per bottle, monthly cost, discount codes and independent COAs.
About S-23
S-23 is a potent oral SARM — a small molecule, not a peptide — best known from a rat male-contraception study and sourced in research for muscle work. It is sold as a research chemical (capsules or an oral liquid).
Its reported half-life is ~12 hours (pre-clinical estimate), which is the main reason the community cadence above looks the way it does. Not FDA-approved.
Frequently Asked Questions: S-23
Is it legal and safe to buy S-23 for research?
In the US, S-23 is sold strictly as a research chemical — legal to buy for laboratory research but not approved for human use. It is an investigational SARM with no approved human use and a WADA ban in sport — sold for laboratory research only. The real variable isn't legality, it's quality: unverified suppliers can ship underdosed, impure, or mislabeled material. Every S-23 vendor in the table on this page is screened for a published third-party Certificate of Analysis (COA), which is your one objective quality check.
How do I verify a S-23 COA so I'm not getting an underdosed vial?
A Certificate of Analysis (COA) is the third-party lab report for one specific S-23 batch — your only proof the vial is real and full-strength. Check four things: identity (it's actually S-23, not a weaker SARM substituted in its place or an underdosed capsule), assay/purity (ideally 98% or higher), a named independent lab (not the vendor's own in-house claim), and a recent test date. WPA flags COA status per listing, but a marketing screenshot isn't enough — open the actual COA on the vendor's site before paying. Every row in the table links straight to it.
Which S-23 vendor should I pick?
There's no single "best" S-23 vendor — it depends on what you weigh most. WPA ranks every verified vendor by a composite of assayed purity, COA recency, lifetime click popularity among researchers, final price, and in-stock plus discount availability. S-23 is one of the more potent SARMs, so a COA confirming both identity and the per-capsule milligram amount is especially important. If you just want the strongest all-round value, the top-ranked S-23 vendor on this page is a safe starting point — but confirm its purity and price fit your protocol first.
How much does S-23 cost — and how do I know I'm not overpaying?
Judge S-23 by true price per milligram, not the sticker price on one vial — a cheap small vial often costs more per mg than a larger one. Compare cost per total milligram across bottles, not the bottle price, since capsule counts and strengths differ. WPA normalizes every verified listing to $/mg, and the live cost-per-month card estimates your real spend at the most common dose, so overpaying becomes obvious at a glance. The one catch: the lowest $/mg sometimes means buying a bigger vial than your cycle needs.
How much S-23 do I need for one full cycle?
S-23 is taken orally once daily, with research protocols commonly in the 10–30 mg per day range over an 8-week run. A 60-capsule bottle at 10 mg each covers about two months at one capsule a day, so a single bottle usually carries a full cycle. Protocols vary and this reflects the most common community setup, not medical advice — research use only. Use the cost-per-month card and the calculator on this page to size your exact run, then buy enough to finish a cycle without re-ordering mid-protocol.
Are discount codes available for S-23?
Yes — many verified S-23 vendors offer WPA researcher discount codes, and those savings are already baked into the $/mg ranking on this page, so you're never comparing a pre-discount price against a post-discount one. Codes do change, and some exclude sale items or carry order minimums. Each listing shows the current code and the discounted price where one exists.
Lowest priced S-23 peptide for sale?
To surface the lowest priced S-23 for sale, WPA continuously compares 14 USA suppliers and 911 "for research" products, ranking every verified S-23 listing by true cost so the cheapest options rise to the top. The lowest priced single S-23 capsule currently starts at $62.96. We currently track 1 S-23 products in our system. Pricing is generally refreshed weekly as vendors update stock, prices, and discount codes.