Ritalin: Immediate-release tablet, divisible, white, round, flat, with bevelled edges. One side bears the imprint "CG", the other "A/B" and score. May contain dark specks.
The tablet can be divided into equal doses.
Ritalin LA 20 mg: Modified-release capsule, hard, white opaque gelatin capsule, imprinted with "NVR" in tan ink on the cap and "R20" in tan ink on the body, containing white to off-white beads that are roughly spherical in shape.
Ritalin LA 30 mg: Modified-release capsule, hard, yellow opaque gelatin capsule, imprinted with "NVR" in tan ink on the cap and "R30" in tan ink on the body, containing white to off-white beads that are roughly spherical in shape.
Active substance: 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 type B, gelatin, methacrylic acid copolymer type A, macrogol 6000, sugar spheres, talc, titanium dioxide (E171), triethyl citrate, yellow iron oxide (E172) (30 mg capsules only).