Injections are particularly appropriate for those with: Pernicious anaemia, an autoimmune condition affecting B12 absorption Conditions affecting the stomach or small intestine, such as Crohns disease or coeliac disease Those who have had gastric surgery or bariatric procedures Strict vegans and vegetarians not meeting their B12 needs through food or oral supplements For those who can absorb B12 normally, oral supplements are generally an effective and well-evidenced alternative to injections
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Clinical Nutrition Open Science, 41, 100065
GHK-Cu Has Broader Tissue Research GHK-Cu has been studied across a wider range of skin, wound-healing, tissue-remodeling, and inflammatory settings
For instance, patients with inflammatory bowel disease, such as Crohns disease, or those with celiac disease , may have trouble absorbing vitamin B12 due to gut damage
Consulting with a healthcare provider can help you determine the best solution for your needs