The clock starts at first entry, not at first meaningful use
Common causes include: Pernicious anemia, an autoimmune disorder hindering Vitamin B12 absorption Gastrointestinal surgeries, like gastrectomy, impact Vitamin B12 uptake Long-term use of certain medications, such as metformin or proton pump inhibitors Diets lacking in Vitamin B12, often seen in vegans and vegetarians For those without a deficiency, Vitamin B12 injections are not typically recommended, as their body can naturally regulate and excrete excess amounts of the vitamin
Researchers have explored its potential role in supporting: Tissue remodeling Collagen formation Skin repair signaling Reduction in inflammatory stress Blood vessel support Cellular recovery mechanisms Because of these regenerative properties, topical GHK-Cu formulations are increasingly being explored in integrative and regenerative medicine settings for skin recovery and difficult-to-heal tissue environments
Gastric parietal cell antibodies may also be measured, though these are less specific
Studies often focus on angiogenesis, immune signaling pathways, and cellular regeneration models