BIPHETAMINE 12.5 vs BIPHETAMINE 20

Independent side-by-side comparison.

Rated against independent regulatory sources·Last updated August 21, 2026·How we rate

Attribute	BIPHETAMINE 12.5	BIPHETAMINE 20
Rating	70/100	70/100
Pharmacy pays	—	—
Type	RX	RX
Active ingredient	AMPHETAMINE RESIN COMPLEX AND DEXTROAMPHETAMINE RESIN COMPLEX	AMPHETAMINE RESIN COMPLEX AND DEXTROAMPHETAMINE RESIN COMPLEX
Manufacturer	Ucb Inc	Ucb Inc
Dosage forms	Capsule, extended release	Capsule, extended release
Drug class	—	—
Boxed warning	None	None
Half-life	about 10 to 11 hours for d-amphetamine (range 9.8 to 11 hours) and about 12 to 14 hours for l-amphetamine (range 11.5 to 13.8 hours) in healthy adults	about 10 to 11 hours for d-amphetamine (range 9.8 to 11 hours) and about 12 to 14 hours for l-amphetamine (range 11.5 to 13.8 hours) in healthy adults

biphetamine 12.5 biphetamine 20

Rating

70/100

Pharmacy pays

—

Type

Active ingredient

AMPHETAMINE RESIN COMPLEX AND DEXTROAMPHETAMINE RESIN COMPLEX

Manufacturer

Ucb Inc

Dosage forms

Capsule, extended release

Drug class

—

Boxed warning

None

Half-life

about 10 to 11 hours for d-amphetamine (range 9.8 to 11 hours) and about 12 to 14 hours for l-amphetamine (range 11.5 to 13.8 hours) in healthy adults

Frequently asked questions

Which is better-rated, Biphetamine 12.5 or Biphetamine 20?

Biphetamine 12.5 and Biphetamine 20 are tied at 3.5 out of 5 by our independent rating.

What is the difference between Biphetamine 12.5 and Biphetamine 20?

Both Biphetamine 12.5 and Biphetamine 20 share the active ingredient Amphetamine Resin Complex and Dextroamphetamine Resin Complex.

Ratings are based on FDA regulatory (recall-safety) data. This comparison is for general reference only — not medical advice. Always consult a licensed professional before choosing or switching a medication.