NAD+ and Skin: Cellular Energy, DNA Repair, and Collagen Maintenance NAD+ (nicotinamide adenine dinucleotide) is not a peptide in the conventional sense, but its included in peptide therapy protocols for skin rejuvenation because it addresses one of the most upstream causes of skin aging
Visible Radiance Enhancement Consistent Daily Users customer Satisfaction Rate Your go-to UK beauty destination Illuminate from within Glutathione is known in skincare and wellness circles as the "master antioxidant"the molecule your cells produce naturally to manage oxidative stress and support health
N-acetylcysteine (NAC), a derivative of L-cysteine, is primarily known for its antioxidant properties, which act through direct scavenging of reactive oxygen species and enhancement of intracellular glutathione levels
This action may contribute to improved metabolic health and other associated benefits
Abbreviations 1MT: 1-methyl-tryptophan 3HAA: 3-hydroxyanthranilic acid 3HK: 3-hydroxykynurenine 5-HT: Serotonin 7nAChRs 7: nicotinic acetylcholine receptors AHR: Aryl hydrocarbon receptor AMPAR: -amino-3-hydroxy-5-methyl-4-isoxazolepropionic acid receptor BBB: Blood brain barrier BCG: Bacile Calmette-Gurin BDI-II: Beck Depression Inventory, 2nd edition BDNF: Brain-derived neurotrophic factor BSSI: Beck Scale for Suicidal Ideation CDRS-R: Childrens Depression Rating Scale-Revised CNS: Central nervous system ESBA: (S)-4-(ethylsulfonyl)benzoylalanine GBA: Gut-brain axis HAMD: Hamilton Depression Rating Scale HPA: Hypothalamic-pituitary-adrenal IDO: Indoleamine 2,3-dioxygenase KAT: Kynurenine aminotransferase KMO: Kynurenine 3-monooxygenase KP: Kynurenine pathway K-SADS-PL: Schedule for Affective Disorders and Schizophrenia for School-Age Children KYN: Kynurenine KYNA: Kynurenic acid LDH: Lactate dehydrogenase LPS: Lipopolysaccharide LSD: Lysergic acid diethylamide MDD: Major depressive disorder NMDAR: N-methyl-D-aspartate receptor NO: Nitric oxide PA: Picolinic acid QA: Quinolinic acid ROS: Reactive oxygen species SCFA: Short-chain fatty acids SSRI: Selective serotonin reuptake inhibitor TBI: Traumatic brain injury TDO : Tryptophan 2,3-dioxygenase TRP: Tryptophan UCMS: Unpredictable Chronic Mild Stress References Cipriani A, Furukawa TA, Salanti G, Chaimani A, Atkinson LZ, Ogawa Y, et al
