Metformin linked to worse cognition

Poorer cognitive function could be down to vitamin B deficiency, study finds

Metformin is associated with worse cognitive function in older adults, which could be explained by B-vitamin deficiency, research suggests.

diabetes drugs

An association between long-term metformin treatment and vitamin B12 malabsorption was first reported more than 40 years ago, writes Dr Kirsty Porter, of Ulster University in Coleraine, Northern Ireland, and colleagues.

Deficiencies in B12, along with folate, vitamin B6 and riboflavin, have also been linked to cognitive dysfunction, they add in their study published in the Journal of