[95] Intramuscular or intravenous injection [edit] Injection of hydroxycobalamin is often used if digestive absorption is impaired, [2] but this course of action may not be necessary with high-dose oral supplements (such as 0.51.0 mg or more), [97] [98] because with large quantities of the vitamin taken orally, even the 1% to 5% of free crystalline B 12 that is absorbed along the entire intestine by passive diffusion may be sufficient to provide a necessary amount
Sign 1: Persistent, Unexplained Fatigue You are getting enough sleep, but still feel low on energy
Cloudiness, discoloration, or unusual odor indicates degradation
Intramuscular Injections If you see a Doctor for your deficiency, you may be offered an intramuscular injection instead of an oral replacement, especially if there are concerns with your ability to absorb B12 from food or tablet sources in the gut
This careful approach protects both your peptide and the integrity of your data
Most clinicians recommend starting the ODT at a moderate dose and titrating based on response rather than attempting a direct dose translation
