For those receiving injections from a healthcare provider, they will determine the most appropriate site based on individual factors
Nat Chem Biol (2016) 12(9):68693
A vitamin B12 deficiency can lead to megaloblastic anemia, a condition characterized by a low number of red blood cells that are larger than normal ( Megaloblastic anemia can cause a variety of symptoms and side effects, including ( shortness of breath headache heart palpitations fatigue poor balance memory loss That said, being low in vitamin B12 doesnt always lead to megaloblastic anemia, and many people may only experience mild symptoms like fatigue ( Furthermore, while a deficiency in vitamin B12 may not cause weight gain, it can decrease energy levels and contribute to fatigue, making it harder to stay active and manage your weight
doi: 10.1186/s13054-019-2397-6 [PubMed] 32193811 Cefalu JN, Joshi TV, Spalitta MJ, Kadi CJ, Diaz JH, Eskander JP, Cornett EM, Kaye AD
Taking it away from dietary proteins prevents the glutathione tripeptide from competing with other amino acids for intestinal transport mechanisms, thereby maximizing its systemic absorption
Immun Ageing 2024;21:88