Vitamin B12 deficiency can manifest through a range of symptoms, such as: For further information about the symptoms of a Vitamin B12 deficiency, please refer to the NHS website here
Its pharmacological effects are dose-dependent and may differ significantly from those observed with dietary or oral supplementation
In laboratory settings, it has demonstrated a remarkable ability to promote healing in a variety of tissues, from muscle and tendon to gut and even nerve tissue
Even then, the body has regulatory mechanisms to prevent accumulation
Some individuals may struggle to absorb vitamin B12 effectively through diet alone
Still, side effects from B12 supplements are possible, especially at higher doses, and include: Headache Nausea Vomiting Fatigue Weakness Diarrhea Tingling in the hands and feet Nasal spray Vitamin B12 is also available in a nasal spray