Supplementation of konjac glucomannan into a low-fiber Chinese diet promoted bowel movement and improved colonic ecology in constipated adults: a placebo-controlled, diet-controlled trial
Some regions classify it as a research chemical, restricting its use to scientific studies, while others have minimal regulation or leave it unregulated but not approved for therapeutic use
titled Glutathione Stimulates Vitamin D Regulatory and Glucose-Metabolism Genes, Lowers Oxidative Stress and Inflammation, and Increases 25 OHD Levels in Blood: A Novel Approach to Treat 25-Hydroxyvitamin D Deficiency clearly outlines this relationship and describes how increasing GSH has been shown to increase the bioavailability of 25(OH)D
Exfoliating acids, hydration, and barrier-supporting ingredients address common concerns, such as tan, acne, dullness, and dryness