A close friend of mine struggled with this for quite a while and was frustrated because she felt like nobody around her understood what she was describing. While looking for information together, we came across
https://yourhealthmagazine.net/article/reviews/best-supplements-for-perimenopause-menopause-brain-fog/ and found some useful explanations about why brain fog can happen during this stage of life. What stood out to us was that the discussion focused on practical support rather than unrealistic promises. She eventually found a routine that worked for her and noticed gradual improvements in concentration and energy.