Vegans and vegetarians are naturally at higher risk since B12 comes mainly from animal products
Also, if you have chronic conditions like diabetes or neurological disorders, B12 shots might be part of your treatment
Studies have also examined its potential influence on angiogenesis, fibroblast signaling, and nitric oxide related pathways
Most common causes of the discolouration include: Medications amino-salicyclic acid derivatives mesalazine/paraaminosalycylic acid/sulfasalazine doxorubicin , hydroxocobalamin , ibuprofen, phenothiazines, phenolphthalein, propofol , rifampicin/rifampin Dietary ingestants beeturia , rhubarb, blackberries, food dyes Metabolic abnormalities porphyria , urate crystals Hydroxocobalamin Early features of cyanide poisoning include nausea, vomiting, headache, dyspnoea, tachypnoea, hypertension, tachycardia, collapse and seizures
megaloblastic anaemia due to B12 deficiency