Does Vitamin B3 Benefit Patients With Raynaud Phenomenon?

TOPLINE Oral vitamin B3 (nicotinamide) at 500 mg twice daily for 14 days improved nailfold videocapillaroscopy (NVC) patterns in around 45% of participants with primary or scleroderma-related Raynaud phenomenon (RP), with increased normal capillaries and reduced abnormal features. Participants with primary RP experienced improvements in RP-related quality of life…