veterinary b12 injectable Vitamin B-12 1000 mcg Injection 100mL especially those with exocrine pancreatic insufficiency High Potency Vitamin B12 Injection

A typical starting dose may range between 500 mcg to 1500 mcg, administered daily or several times a week as advised by a healthcare professional

Consult with a healthcare professional before starting B12 supplements, especially if you have health concerns, have dietary restrictions, take certain medications or are pregnant or breastfeeding." Meshulam adds that even though there is no established upper limit for B12, that if your levels become too high you may experience undesirable symptoms like gastrointestinal distress, weakness and tingling sensations in extremities

Zhao, B., Fisher, B

Vitamin B12 isnt a test that Doctors order frequently