Is MK-777 or SS-31 cheaper per mg?

SS-31 is currently cheaper, from $1.42/mg versus $3.45/mg for MK-777 — about 59% less per milligram, based on live first-party vendor prices. Prices change daily.

How many vendors sell MK-777 versus SS-31?

pepmg tracks 2 first-party vendors selling MK-777 and 39 selling SS-31, ranked strictly by $/mg. No vendor can pay for placement.

● MK-777 vs SS-31$/mg · price only

MK-777 vs SS-31: price per mg

A straight price comparison — cheapest and typical $/mg for each, captured first-party from vendors' own live stores. This compares cost only. It is not a medical, potency, efficacy, or dosing comparison, and nothing here is human-use guidance.

SS-31 is cheaper per mg right now: from $1.42/mg vs $3.45/mg for MK-777 — about 59% less per mg.

$/mg	MK-777	SS-31
Cheapest	$3.45	$1.42
Highest	$7.40	$10.00
First-party vendors	2	39
Sources tracked	2	39

live first-party prices · captured 40m ago

Full vendor tables, COA availability, and price-drop alerts on each compound page: MK-777 prices → · SS-31 prices →

All products listed are sold by third-party vendors for laboratory and research use only (RUO). Where an FDA label or a peer-reviewed study has published a dose, pepmg reports it with the source named, because that is safer than guessing. It is a report, not medical advice and not a recommendation to use anything. pepmg sells nothing and ships nothing. Listings are price-tracking data, not endorsements.