02 Jul 2021 Blackmores Vitamin B3 role in skin cancer prevention 02 Jul 2021 Share Share on LinkedIn Share on Facebook Share on Twitter Share on Google+ Share on Pinterest News Results from Phase II and Phase III clinical studies suggest that nicotinamide (vitamin B3) reduces skin cancer compared to placebo, which may warrant further consideration in prevention strategies, a recently published review in Dermatologic Therapies reports. × To continue reading this article, please Log In or Sign Up for access.