Vitamin C is also available by prescription as an injection. The injectable vitamin C can be given into a vein (intravenously), into a muscle (intramuscularly), or under the skin (subcutaneously).

Called the sunshine vitamin, Vitamin D supports bone health as well as muscle function, and immune system operation. Vitamin D supplements become necessary for people who lack sufficient sunlight ...

To prevent this bleeding, a vitamin K injection has been recommended for newborns in the U.S. since the early 1960s. It's given as a single, intramuscular shot soon after birth. "Vitamin K is a ...

Vitamin B12 deficiency is common. While supplementing with injections is considered safe in most cases, here’s what you should know before you try it. Vitamin supplements are very popular. People ...

Vitamin B-complex vitamins are an important part of the micronutrients found in a balanced diet. Vitamin B is a water-soluble vitamin. All B vitamins, B1 (thiamine), B2 (riboflavin), B3 (niacin), B5 ...