Adamax vs N-Acetyl Semax Amidate

Name: Adamax vs N-Acetyl Semax Amidate
Published: 2026-10-24

Updated Oct 24, 202611 sources

Key differences

1Adamax goes one step further: an adamantyl-glycine cap on the back end instead of a plain amide.
2A drug company patent on Semax nasal formulas lists both the amidate and an adamantane-capped version as possible derivatives.
3Neither has published human data.

Facts from each record, in the same words as their own pages.

Adamax and N-Acetyl Semax Amidate side by side
	Adamax	N-Acetyl Semax Amidate
Category	Cognitive	Cognitive
Evidence	No human trials	No human trials
FDA status	Not FDA approvedRegulatory	Not FDA approvedRegulatory
WADA	Not confirmed	Not confirmed
Half-life	Not measured for Adamax. No human or animal pharmacokinetic study exists. Claims that it lasts several times longer than Semax are vendor copy.Community-reported	Not measured. One guide estimates about 30 to 45 minutes, longer than Semax.Competitor guide Not measured. Other guides claim several hours, or 2 to 10 hours vs 0.5 to 2 for Semax.Competitor guide
Routes	Nasal, Subcutaneous injection	Nasal, Subcutaneous injection
Forms	Not reported	Nasal spray, Vial (powder)
Reported doses	100 to 300 mcg (nasal) 250 to 1,000 mcg (subcutaneous injection) 0.2 to 0.4 mg (subcutaneous injection)	200 to 1,200 mcg (nasal) 200 to 1,000 mcg (subcutaneous injection)
Most cited frequency	Once daily	1 to 2 times a day
Vial sizes	10 mgCompetitor guide	30 mgCommunity-reported
Mixed vial keeps	Keep mixed vials in the fridge at 2 to 8 °C.Competitor guide	Fridge at 2 to 8 C, use within 14 to 21 days.Competitor guide
Protocols on file	10	9

Doses shown are what sources report, labelled by origin. Not medical advice.

11 sources, each checked by date. Record updated Oct 24, 2026. Numbers are restated in our own words and labelled by where they came from.