cognition
5 interactions related to cognition
acetyl-l-carnitine + alpha-lipoic acid
Acetyl-L-carnitine shuttles fatty acids into mitochondria for energy production while alpha-lipoic acid acts as a mitochondrial antioxidant and cofactor for energy-producing enzymes; in aged animal studies, the combination reversed mitochondrial decay and improved memory more than either alone.
l-theanine + caffeine
L-theanine, an amino acid from tea, smooths out caffeine's stimulant effects by promoting alpha-wave brain activity associated with relaxed alertness, while caffeine blocks adenosine receptors to increase arousal — the combination has been shown in multiple human trials to improve sustained attention and reaction time more than either alone.
phosphatidylserine + omega-3
Phosphatidylserine bound to omega-3 fatty acids (particularly DHA) is more readily incorporated into neuronal membranes than either nutrient alone, supporting membrane fluidity, neurotransmitter release, and memory consolidation. Clinical trials of PS-DHA preparations show improvements in memory and sustained attention in older adults with subjective memory complaints.
omega-3 + curcumin
Omega-3 fatty acids (EPA and DHA) and curcumin both reduce inflammation through complementary pathways — omega-3s alter cell membrane composition and produce specialized pro-resolving mediators, while curcumin directly inhibits NF-kB and inflammatory cytokine signaling.
ginkgo + phosphatidylserine
Ginkgo biloba improves cerebral blood flow and has antioxidant effects; complexing it with phosphatidylserine substantially enhances absorption of its active terpene lactones and flavone glycosides. The Virtiva complex (ginkgo + phosphatidylserine) showed improved secondary memory and faster memory task performance versus ginkgo alone in a placebo-controlled crossover trial.