Nuts and seeds—especially almonds, walnuts, pumpkin seeds, and sunflower seeds—are excellent plant-based sources of tryptophan. They also provide magnesium and healthy fats, both of which support ...

Low serotonin levels have been linked to many physical and psychological symptoms, according to Healthline. However, scientists are unsure what actually causes serotonin deficiency.

Serotonin is a product of the essential amino acid tryptophan, which isn’t produced by the body, but ingested via foods such as chicken, cheese, fish, peanuts and turkey.

Loss of the "happiness" brain hormone serotonin might play a role in the decline of brain function as a person ages, a new study reports. People with mild cognitive impairment (MCI) had up to 25% ...

"The correlation we observed between lower serotonin transporters and memory problems in MCI is important because we may have identified a brain chemical that we can safely target that may improve ...

Eve Efron, who has been struggling with long COVID for nearly a year, frequently has to rest on the couch in her home in Fairfax, VA. Her symptoms include significant fatigue, brain fog, anxiety ...

Could antidepressants hold the key to treating long COVID? University of Pennsylvania researchers have uncovered a link between long COVID and levels of serotonin in the body that may offer a new ...

Moreover, it also reversed memory impairment, a symptom of long COVID-19 to identify if replenishing tryptophan or serotonin in patients who exhibit deficiencies could treat long COVID symptoms.

In 2010, I theorized that diminished serotonin in my hypothalamus arising from brain injury was behind some of my debilitating symptoms. My health care providers noted my low vagal tone as well.