Vitamin D offers no protection against Alzheimer’s

Systematic review of clinical studies finds no robust evidence that vitamin D protects the brain against diseases such as Alzheimer’s, MS, and Parkinson’s.

Omega-3s cross blood-brain barrier in Alzheimer’s patients

The blood-brain barrier protects the brain from harmful chemicals in the blood, but it also blocks drugs from reaching it. However, researchers have suggested that omega-3 fatty acid supplements can cross this barrier in Alzheimer’s patients, influencing markers for the disease and inflammation.