Shibuya, Yuka, et al
As GGT is a membrane protein, acivicin increases extracellular glutathione levels and decreases glycine-cysteine, which is the source of rate-limiting cysteine in the intracellular synthesis of glutathione (21)
Use it daily to brighten dull skin, fade discoloration, and revitalize aging or damaged hair follicles
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Deficiency Risks and Who Is Most Affected Certain groups are at higher risk of deficiency, including: Vegetarians and vegans Adults over 50 with reduced stomach acid Patients with gut disorders such as Crohns or celiac disease Those taking long-term acid-reducing medications Symptoms of deficiency can include fatigue, pale skin, memory loss, depression, numbness, or tingling sensations