glutathione and vitamin c capsules Independent testing finds six of twelve top-selling Amazon supplements fail label claims GLUTATHIONE & VITAMIN C COLLAGEN

doi: 10.1038/nrc3239 160 IacovelliRNoleFVerriERenneGPaglinoCSantoniMet al

Alopecia areata: Sudden, smooth, round or oval patches of hair loss Telogen effluvium (stress-, illness-, or medication-related): Sudden shedding of large amounts of hair, often noticed as clumps Trichotillomania: Irregular patches of broken or missing hair caused by repeated pulling Inflammatory or medical conditions, such as lichen planopilaris: itching, tenderness, and redness with hair loss

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446 Astrocytes are fundamental for both excitatory and inhibitory transmission through glutamate glutamate (GABA)-glutamine shuttle 447 and chloride ionostasis 330 and are thus well positioned to contribute to OCD pathophysiology