Fu AL, Dong ZH, Sun MJ (2006)
Long-Term Safety Concerns : The long-term safety of glutathione injections, particularly for cosmetic purposes like skin lightening, has not been established
Collagen is a structural protein primarily focused on replenishing the structural framework of the skin, leading to improved elasticity and reduction of deep wrinkles
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Patients on metformin and another antihyperglycemic agent (N=229) and patients not on any antihyperglycemic agents (off therapy for at least 8 weeks, N=41) were randomized after a run-in period of approximately 10 weeks on metformin (at a dose of at least 1500 mg per day) in monotherapy