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The most common reason someone would need to have their vitamin B12 levels checked is to evaluate for vitamin B12 deficiency, says Mike Ren, MD, assistant professor of family and community medicine at Baylor College of Medicine

A common protocol for patients with a B12 deficiency may be 1,000 mcg daily for one week, then the same dosage once weekly, and then the same dosage once per month after the deficiency has been addressed

Published studies have investigated the peptide in experimental models involving: Extracellular matrix biology Tissue remodeling research Dermatological laboratory studies Oxidative stress and antioxidant signaling Cellular migration and proliferation Biomaterial and hydrogel delivery systems Hair follicle biology research Inflammatory pathway investigations Scientific interest in Copper tripeptide skin research continues to expand as investigators examine its effects on extracellular matrix regulation

Combining with other supplements or medications NAD supplements mixed with other compounds create big risks