for example for one table Standard unit will be 1SU and for a Parental vial 1 vial is 1 SU and for a ophthalmic drops product, 1 SU will be 0.05 ml dose.
To restate: one dose from any kind of dosage form(formulation) is one SU
|Formulation||1 SU =|
|Ordinary Pill/Tablets||1 Pill|
|Parenteral Vials||1 Vial|
|Ophthalmic Drops||1 0.05 ML Dose|