b12 injection urine color is red from Does a B12 shot change urine to pinkish? Urine Colors Chart : Medications

A: Methylcobalamin 2500 Mcg Injection is recommended for Vitamin B12 deficiency, neuropathy, and anemia

Keep in mind that B-complex supplements can contain eight water-soluble vitamins, including: B1 (thiamine) B2 (riboflavin) B3 (niacin) B5 (pantothenic acid) B6 (pyridoxine) B7 (biotin) B9 (folate/folic acid) B12 (cobalamin) Tips For Safe Supplementation 1

These include: Meat Fish Poultry Milk Eggs Fortified breakfast cereals Fortified breads Fortified nutritional yeasts Fortified plant milks If you follow a vegan diet (meaning you don't eat any animal products, including meat, milk, cheese, and eggs) or you're a vegetarian who doesn't eat enough eggs or dairy products, you could be lacking in vitamin B12

Typically, you feel the effects of a B12 shot for about one week