Injections can rapidly increase B12 levels, making them ideal for those with absorption challenges or needing immediate results
Although rare, adverse effects of high-dose vitamin B12 have been reported, including allergic reactions such as fever, rash, itching, hot flushes, dizziness, and nausea, across all cobalamin forms and administration routes (Caballero et al., 2007)
However, many plant-based foods are fortified with vitamin B12, including some types of plant-based milk, breakfast cereals, and nutritional yeast
The video explains how to inject
The Optimal Vitamin B12 Dosage for Kids, Pregnancy, and Seniors At age 50, everyone, regardless of diet should start supplementing with B12-fortified foods or supplements
Both routes are covered