This may include: Rash Itching/swelling especially of the face, tongue and throat Severe dizziness Trouble breathing Storage Store at controlled room temperature
The tool followed the decision tree in Supplementary Fig
[6] If this happens, vitamin B 12 deficiency may result in sense loss, loss of sensation in the feet, difficulty walking, poor balance, blurred vision, changes in reflexes, muscle weakness, decreased smell and taste, decreased level of consciousness, mood changes, memory loss, depression, irritability, clumsiness, disorientation, dementia and, in severe cases, psychosis

While many people can experience benefits from B12 injections, certain groups may find them particularly valuable: Ideal Candidates Those with Absorption Challenges Adults over 50 (stomach acid production naturally declines with age) People taking certain medications (proton pump inhibitors, metformin, etc.) Individuals with digestive conditions affecting nutrient absorption Those who have undergone weight loss surgery Dietary Considerations Vegetarians and vegans (B12 occurs naturally only in animal products) People with restricted or limited diets Those with increased nutritional needs due to stress or activity level Specific Concerns Individuals experiencing persistent fatigue or low energy Those with brain fog or concentration difficulties People with thinning hair or nail concerns Individuals recovering from illness or surgery Athletes seeking performance and recovery support Preventative Approach Those with family history of B12-related conditions People wanting to maintain optimal wellness Individuals taking proactive approaches to healthy aging When to Consult Your Doctor First While B12 injections are generally very safe, consult your doctor before starting if you: Are pregnant or breastfeeding Have cancer or are undergoing cancer treatment Have a bleeding disorder Take blood thinners Have serious heart or kidney disease Have a history of allergic reactions to vitamin injections Have specific conditions affecting cobalt metabolism At Hertford Cosmetics , we conduct thorough consultations before beginning treatment to ensure B12 injections are appropriate for your specific situation
