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Symptoms of vitamin B12 deficiency include (1): chronic fatigue shortness of breath heart palpitations tingling or numbness in the extremities poor balance loss of concentration poor memory disorientation mood changes incontinence insomnia People most at risk of developing a deficiency include older adults, as well as those who smoke, abuse alcohol, or follow a vegetarian or vegan diet
Cassiano DP, Esposito ACC, Hassun KM, Lima M, Lima EVA, Miot LDB, et al
In an animal study, supplementation for 49 days with a high fat diet elevated mean arterial, systolic, and diastolic BP and increased heart rate
Lu H, et al
GHK-Cu (Gly-His-Lys-Cu, 404 Da) acts via copper coordination and modulates ~4,000 genes related to tissue repair, collagen synthesis, and antioxidant defense
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