QSC vs Swiss Chems: Proviron (Mesterolone) Research Kits Compared

QSC vs Swiss Chems Comparison

Feature	QSC	Swiss Chems
HPLC purity	≥99% — Janoshik verified	Varies — check COA
COA issuer	Janoshik (independent)	In-house or unspecified
Shipping	5-region domestic	Check coverage
Format	Tablet research kits	Varies
Support	Research documentation included	Varies

QSC quality standard

≥99% Purity

HPLC verified every batch

MS Identity

MW confirmed

Janoshik COA

Independent third-party

Direct Manufacture

Fmoc SPPS — Qingdao

5-Region Shipping

USA·EU·UK·CA·AU

USA · EU · UK · Canada · Australia

Research Use Only: All QSC compounds are sold strictly for laboratory research purposes. Not for human use.