While vitamin B12 can be obtained through a healthy balanced diet, people with certain health conditions, such as gastrointestinal problems, infection, and cancer, can diminish the bodys ability to properly absorb ingested vitamin B12
Still, they work best when paired with a balanced diet, daily movement, and healthy habits
The Recommended Dietary Allowance (RDA) provides guidance on optimal nutrient intake for most people
[4] [6] In clinical contexts, high-dose intravenous ascorbic acid may modulate immune function, enhance wound healing, and support endothelial integrity
Vitamin B12 is naturally found in animal products like meat, poultry, eggs, and dairy foods
For instance, patients with inflammatory bowel disease, such as Crohns disease, or those with celiac disease , may have trouble absorbing vitamin B12 due to gut damage