The active substance is methylphenidate hydrochloride.
One Ritalin tablet contains 10 mg methylphenidate hydrochloride.
One Ritalin LA capsule contains 20 mg and 30 mg methylphenidate hydrochloride.
Active moiety: Methylphenidate (INN for alpha-phenyl-2-piperidine acetic acid methyl ester).
Excipients/Inactive Ingredients: Ritalin tablet [10 mg]: calcium phosphate, lactose, wheat starch, gelatin, magnesium stearate, talc.
Ritalin LA capsule [20 mg and 30 mg]: ammonio methacrylate copolymer, gelatin, methacrylic acid copolymer, macrogol, sugar spheres, talc, titanium dioxide (E 171), triethyl citrate, yellow iron oxide (E 172) (30 capsules only).