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common periwinkle extract

vinpocetine

Sections:

  • Entire Monograph
  • Reported Uses
  • Reported Doses
  • Cautions
  • Drug Interactions
  • Adverse Reactions
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Reported Doses

Safety/efficacy may not be established; reported doses may be derived from limited or potentially inadequate studies w/ variable regimens, multi-ingredient products, or where concentration of active ingredients may vary widely

Effectiveness Ratings

[see Herb & Supplement Effectiveness Rating Definitions table]

age-related macular degeneration

[Insufficient Evidence]
Dose: 10 mg PO qd; Info: used w/ conventional tx

dementia

[Possibly Effective]
Dose: 5-20 mg PO tid

hearing loss

[Insufficient Evidence]
Dose: 10 mg PO tid

memory

[Insufficient Evidence]
Dose: 10-40 mg PO tid; Alt: 40 mg PO x1

urinary incontinence

[Insufficient Evidence]
Dose: 10 mg PO tid

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