Carbidopa
Forms and dosage
The cost of Carbidopa
In the USA, the consumers have to pay an average retail price of $44.23 and in the UK a supply of 100 tablets of 25mg strength cost 35 pounds. In India, the same supply costs less than dollar for a generic brand.How does it work?
Carbidopa works by inhibiting aromatic-L-amino-acid decarboxylase, an enzyme important in the biosynthesis of L-tryptophan to serotonin and in the biosynthesis of L-DOPA to dopamine (DA). Increased dopamine availability increases the effectiveness of the remaining neurons thus providing alleviation from symptoms for a time. However, exogenously provided, L-DOPA gets metabolized peripherally before reaching the blood–brain barrier. But, Carbidopa decreases peripheral DDC conversion of L-DOPA before it crosses the blood–brain barrier. Carbidopa acts as a peripheral DDC inhibitor, it has no effect on brain DDC conversion of L-DOPA to dopamine. As result of these actions, a greater proportion of the exogenously provided levodopa/L-DOPA reaches the brainFinding Carbidopa Manufacturers and Suppliers
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