Riboflavin (vitamin B) is light-sensitive and can degrade with exposure to sunlight or strong UV light, which may reduce the vitamin content and cause the solution to darken
B12 supports normal energy metabolism and red blood cell production, so correcting a genuine deficiency can help you feel and perform like yourself again, but shots are not a proven performance enhancer for people who are not deficient
Otherwise this would be a 5
This might involve looking into: Thyroid function Iron levels Sleep patterns (sleep apnoea, insomnia) Mental health assessments Chronic health conditions Dietary habits Stress management The B12 shot did its job by correcting that specific deficiency, but the journey to resolving your fatigue may require a broader look at your health
Intended only for in-vitro research, such as Receptor-ligand binding studies, Enzyme activity assays, Cell proliferation assays, Cell signaling assays, Epitope mapping, etc