Yes, Glutathione 20% Topical Cream can be used on all skin types
PMID: 24304574 Duzel A, et al
The appropriate timing depends on several factors including your postoperative recovery, return of normal gastrointestinal function, and ability to tolerate oral intake
Hydroxocobalamin : This form, typically used in injections, tends to have a longer half-life in body tissues
Most of the studies have been done on animals rather than humans
Patient Self-Monitoring and Red Flag Symptoms Patients should be educated to recognize and report concerning symptoms promptly: Chest pain or pressure, especially with exertion Severe or persistent palpitations Unexplained shortness of breath Syncope (fainting) or near-syncope New or worsening leg swelling Persistent dizziness or lightheadedness Home blood pressure and heart rate monitoring may be beneficial for patients with hypertension or those experiencing symptoms