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Anemia-Related Symptoms Fatigue Weakness Muscle weakness Pale/yellowed skin Rapid heartbeat Heart palpitations Shortness of breath Swollen/sore/smooth tongue Headaches Nausea Diarrhea Indigestion Incontinence Appetite problems Weight gain or weight loss Dizziness or faint feeling Nerve-Related Symptoms Nerve problems, such as tingling or numbness Mental health issues, such as depression Memory loss Dizziness Confusion Dementia Imbalance/trouble walking or standing Irritability Vision loss What Causes B12 Deficiency
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Vitamin B12 injections can lead to excessive vitamin B12 levels in the blood
doi:10.3389/fncel.2015.00003
Supporting collagen signaling pathways may help promote structural resilience over time
Slightly more nerdy answer: because peptides are small, they can bind directly to cell receptors and trigger specific biological effects
