Question 1

Who makes carbidopa + levodopa?

Accepted Answer

Carbidopa + Levodopa is a fixed-dose combination of Carbidopa and Levodopa. There is no combination-level drug master file; it is sourced as a finished combination or built from its component APIs. 3 verified finished-combination manufacturers are listed, 1 with a matched US, EU or WHO-PQ combination approval.

Question 2

Where do the APIs in carbidopa + levodopa come from?

Accepted Answer

Carbidopa: 14 verified API manufacturers. Levodopa: 13 verified API manufacturers. Each links to its own ranked supplier page.

Question 3

What strengths does carbidopa + levodopa come in?

Accepted Answer

Common marketed ratios include 25/25, 25/100, 10/100, 25/250, 10/10 (mg per component). Ratios come from the finished-product records as at 29 July 2026.

Carbidopa + Levodopa FDC suppliers and manufacturers

Component APIs — where each ingredient comes from

Carbidopa API manufacturers

Levodopa API manufacturers

Finished-combination manufacturers

Jamp Pharma Corporation

Pharmascience, Inc.

Teva Canada Limited

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