DOCTOR NOTES / FAMILY GUIDES1 min read · Educational resource

Brain & Body HealthModerate evidence

Nutrients Worth Checking

Vitamin D, B12, folate, magnesium, and omega-3s — what the research actually says.

Some nutrients matter more than others when it comes to brain health. Get these checked:

  • Vitamin D: Low levels are linked to faster cognitive decline
  • B12 and folate: These affect homocysteine levels. Elevated homocysteine increases dementia risk by 1.15× to 2.5×. B vitamins have been shown to slow brain shrinkage by 30%
  • Magnesium: Critical for hundreds of brain functions
  • Omega-3s (DHA): The primary omega-3 in your brain