Dietary supplements
8 articles carry this tag. Tags group articles across topics; each article still sits under one topic in the contents.
- Melatonin · Melatonin is a hormone made by the pineal gland (a small gland deep in the brain) at night; as a supplement it is studied mainly for shifting the timing of sleep, for jet lag and for insomnia.
- Magnesium · Magnesium is an essential dietary mineral; as a supplement it is studied for insomnia, mainly in older adults.
- Glycine · Glycine is an amino acid (a building block of protein) and an inhibitory neurotransmitter (a chemical messenger that calms nerve activity); as a supplement it is studied for sleep quality when taken as a single dose before bed.
- L-theanine · L-theanine is an amino acid (a building block of protein) found in tea leaves; as a supplement it is studied for stress, relaxation and self-reported sleep quality.
- Ashwagandha · Ashwagandha (Withania somnifera) is a plant used in Ayurvedic (traditional Indian) medicine; extracts of it are studied for stress, anxiety and sleep quality.
- GABA · Gamma-aminobutyric acid (GABA) is the main inhibitory neurotransmitter of the brain (the chemical messenger that most dampens nerve activity); as an oral supplement it is studied for stress and sleep.
- Apigenin · Apigenin is a flavonoid (a type of plant compound) found in chamomile flowers; it is studied as the compound thought to underlie the traditional use of chamomile tea as a sedative.
- Valerian · Valerian is a flowering plant whose root extract has a long history as a sleep remedy; it is studied for sleep quality and insomnia.