Australian skin cancer research has shown strong indications that vitamin B3 may reduce pre-cancerous lesions (thick scaly patches of pre-cancerous skin) by as much as 20% when supplementing with vitamin B3; the benefit appeared to be lost when supplementing topped. Results were noticeable after 3 months; the study was conducted over a 12 month period, it is thought that B3 niacin helped repair DNA damage, caused by excess UV exposure. This benefit was probably due to a significant boost of the immune response. — Read Article