Can Folic acid and Vitamin B12 Harm you ?

Yes , supplements can harm your health.

A study from Norway found that the combination can be harmful in certain people.

They report that “Treatment with folic acid plus vitamin B(12) was associated with increased cancer outcomes and deaths in patients with ischemic heart disease in Norway,”.

So avoid Vitamin supplementation if you have a well balanced healthy diet and no deficiency..


1. Cancer Incidence and Mortality After Treatment With Folic Acid and Vitamin B12. Marta Ebbing et al. JAMA. 2009.

Disclaimer: Please note- This blog is NOT medical advice. This blog is purely for information only and do check the the sources where cited. Please consult your own doctor to discuss concerns and options relevant to you.

The views expressed in this blog represent the author’s views held at the time of publication and is likely to change overtime, particularly when new evidence comes to light. The blog is not necessarily endorsed by any organisation the author is associated with and views are not substitute for professional advice.