Nicotinamide riboside fails to slow progression of early Parkinson’s disease
A large-scale clinical trial known as NOPARK has concluded that nicotinamide riboside (NR) provides no clinical benefit in slowing the progression of early-stage Parkinson's disease. The study, involving 410 participants, found that increasing NAD levels did not alter the disease course.
Why it matters
The findings clarify the efficacy of a popular supplement in a neurological context, preventing the misallocation of resources toward ineffective treatments.
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