vitamin b12 injection loading dose Dosage and Frequency: 7 Guidelines for Adults Vitamin B12 Injection: Complete Guide

This makes the recommendation to eat animal products to obtain B12 somewhat invalid

Illnesses Any illness or condition that affects the digestive system can result in a B12 deficiency because the vitamin is bound to the protein molecules in your food and is released and absorbed by the body during digestion

These include: Inflammatory bowel disease Coeliac Disease especially if the individual isnt following a strict gluten free diet Pancreatic insufficiency Pancreatic enzymes help to release vitamin B12 from the foods that we eat

larger amounts run a higher risk of not being absorbed properly or causing discomfort

Muscle cramps and weakness