Dr Eric Berg DC explained in a YouTube video that one ... Side effects may include flushing, red face or neck, diarrhoea, headache, upset stomach, and skin rash. Niacin could also cause overdose ...
Dr Eric Berg DC, who is renowned for his expertise ... Side effects may include flushing, red face or neck, diarrhoea, headache, upset stomach, and skin rash. Overdose complications could include ...