Ideal Candidates Include : Adults over 30 : Natural B12 production and absorption decline with age, which can lead to gradual fatigue
How to Choose Between B12 Injections and Oral Supplements Understanding B12 Absorption Rates: A Direct Comparison Intramuscular injections deliver B12 directly into the bloodstream, offering near-complete absorption
Sikiric P, Udovicic M, Barisic I, Balenovic D, Zivanovic Posilovic G, Strinic D, et al
These are biochemistry observations in a culture system
There are various reasons for vitamin B12 deficiency, but most of them relate to absorption of the vitamin
Your prescriber can help determine which route makes the most sense based on your specific situation, tolerance for injections, and treatment goals