Kennedy Michael
St Vincent's Clinical School, UNSW Medicine, UNSW Sydney and Department of Clinical Pharmacology and Toxicology, St Vincent's Hospital Sydney, Sydney, New South Wales, Australia.
Intern Med J. 2018 Aug;48(8):901-907. doi: 10.1111/imj.13976.
Complementary medicines are a multibillion-dollar industry of which vitamin supplements are an important component. Most of the claims of benefit are not evidenced-based, and vitamin supplements may be associated with severe adverse reactions that are uncommon but can occur with high doses of some vitamins. There is no case for vitamin supplementation in normal, healthy, non-pregnant or lactating adults who are receiving the recommended daily intake of nutrients.