Independent · evidence-based · non-judgmentalDraft · pending medical review
Not yet medically reviewed — information on this site is in preparation and has not been verified by a medical reviewer.

Pill finder · 1 catalogued version

2-mercaptoethanesulfonic acid

Pill catalog

Rx/OTC variants · openFDA + DailyMed (public domain) · draft, pending review

Showing 1 of 1 variant

M4
Illustration based on reported characteristics. Appearance varies — identical-looking pills can contain completely different substances. Always test.
Strength
MESNA 400 mg;
Imprint
M4
Color
WHITE
Shape
OVAL
Score
2
Form
C42931
NDC
3565 ↗ · 2026-06-18