Risk of lung cancer: Be careful when taking vitamin A.. As of: March 29, 2024, 8:10 a.m By: Natalie Hull-Deichsel CommentsPressSplit Vitamins can fundamentally reduce the risk of cancer.

But the German Cancer Society warns against additional intake of dietary supplements. Study: Taking vitamin A, vitamin B6 and B12 can increase therisk of lung Cancer. But studies show that taking vitamin D, for example, can be helpful in preventing or delaying dementia.