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Prescription medicine

Betaine Brand names: Cystadane

Betaine (Cystadane) is a prescription medicine with an FDA approval on record since 1996. FDA's NDC Directory lists it from 2 generic labelers.

  • Generic listed

Check it at the source: the betaine FDA label on DailyMed (effective April 24, 2026, Recordati Rare Diseases); the NDA 20576 record on Drugs@FDA; every betaine label on DailyMed.

Highlights of the record

FDA label of April 24, 2026; NDC Directory, Drugs@FDA and Orange Book, October 8, 2026

Used for

From the label: indications and usage

CYSTADANE ® is indicated for the treatment of homocystinuria to decrease elevated homocysteine blood concentrations in pediatric and adult patients.

Forms and strengths

  • 1 g/g

Powder for solution.

On the market

Earliest approval on file
October 25, 1996 Cystadane, Recordati Rare; Drugs@FDA’s file, where older or withdrawn approvals can be missing
Generic approvals
2 first November 23, 2021; 2 with a marketed status in Drugs@FDA
Labelers listed (NDC)
3 of which 2 under generic applications, 1 under brand applications, repackagers included

Supply and safety

Pharmacy cost (NADAC)
Not in the survey
Shortage (FDA)
No current entry
Recalls by its makers (FDA)
No recall recorded
FAERS reports
1,036 through July 30, 2026

What is betaine used for?

From the label: indications and usage

CYSTADANE ® is indicated for the treatment of homocystinuria to decrease elevated homocysteine blood concentrations in pediatric and adult patients. Included within the category of homocystinuria are: Cystathionine beta-synthase (CBS) deficiency 5,10-methylenetetrahydrofolate reductase (MTHFR) deficiency Cobalamin cofactor metabolism (cbl) defect CYSTADANE is a methylating agent indicated in pediatric and adult patients for the treatment of homocystinuria to decrease elevated homocysteine blood concentrations. […]

FDA pharmacologic class: Methylating Agent.

Source: FDA drug label (Cystadane), Recordati Rare Diseases, effective April 24, 2026 (SPL set 31a684d0-cd98-4e46-b43a-ccbd17c41559), via openFDA; the full label on DailyMed

Is there a generic for betaine (Cystadane)?

The FDA approved the first generic betaine on November 23, 2021. 2 generic applications are approved; 2 of them carry a current (not discontinued) marketing status in Drugs@FDA; that status is not evidence that the generic is on sale.

FDA's NDC Directory lists betaine from 2 labelers under a generic (ANDA) application and from 1 brand labeler. A listing means the company has registered the product for sale; it does not show that every pharmacy stocks it.

  • 1996 earliest approval on file
  • 2021 first generic approved

Source: Drugs@FDA, FDA NDC Directory and the Orange Book (openFDA bulk files, October 8, 2026)

What do FAERS reports show for betaine?

The FDA Adverse Event Reporting System holds 1,036 reports that list betaine among the medicines taken, through July 30, 2026, each a report of something that happened, not proof the medicine caused it; 71 are coded as a death and 397 as a hospital stay. Counts follow how widely a medicine is used and watched, and they are not a measure of how risky it is.

Reports received each year

The most reported reactions

  • Off Label Use (a use or a product term, not a reaction)146
  • Overdose (a use or a product term, not a reaction)87
  • Vomiting (named in the label)79
  • Diarrhoea (named in the label)63
  • Product Dose Omission (a use or a product term, not a reaction)55
  • Nausea (named in the label)47
  • Seizure42
  • Product Use Issue (a use or a product term, not a reaction)41

Side effects: the label's list and every FAERS reaction

Source: FDA Adverse Event Reporting System (FAERS) via openFDA, reports through July 30, 2026

What next?

Betaine side effects
the label's list beside FAERS reports
Check an interaction
what two or more labels say about each other