will b12 injection give me energy Do You Need a Prescription for Injections? Here's why you need to

While there's no official upper limit, doses up to 2,000 mcg can be safely used to treat B12 deficiency under medical supervision

43 Serum homocysteine is less specific for B 12 deficiency, and can also be elevated in folate deficiency, vitamin B 6 deficiency, vitamin B 2 deficiency, and impaired renal function, hypothyroidism, and by certain medications

It comes in a convenient pack of 3 ampoules, making it easy to follow your prescribed regimen

Vision changes: Some individuals with B12 deficiency may experience blurred vision or changes in vision

Sometimes a surgeon will determine that the risks of remaining on these drugs are too significant and collaborate with the patient to develop a safer approach