Sleep & Recovery
Sleep Quality
Subjective sleep quality and refreshment.
6 profiles, most-studied first
C7H14N2O3
L-Theanine (Sleep)
Tea-derived amino acid that raises alpha brainwaves — relaxation without sedation.
Amino Acid9 studies
C27H31ClO15
Tart Cherry (Montmorency)
Natural melatonin and anthocyanin source — improves sleep and reduces DOMS.
Compound9 studies
C11H12N2O3
5-HTP (Sleep Use)
Serotonin → melatonin precursor — supports sleep onset and depth.
Amino Acid8 studies
C15H10O5
Apigenin
Chamomile/parsley flavonoid — GABA-A modulator and CD38 inhibitor for sleep and NAD+.
Compound8 studies
C2H5NO2
Glycine (Sleep Onset)
3 g pre-bed lowers core body temperature and improves subjective sleep.
Amino Acid8 studies
C15H22O2
Valerian Root
GABAergic sedative herb — modest sleep onset benefit.
Herb8 studies