For men: Starting doses typically range from 200-300 mcg daily, with potential increases to 400-500 mcg based on individual response and treatment goals
Journal of Endocrinology, 236(2), 63-78
Serum B12 reference ranges vary between laboratories, but generally, levels below 148 pmol/L are considered deficient, whilst levels between 148258 pmol/L are regarded as borderline and may warrant further investigation or a trial of treatment, particularly if symptoms are present
Cisplatin, carboplatin, cyclophosphamide, and doxorubicin may be more likely to cause this side effect
(Id also first consider CIRS and MSH levels for gut health first)
Your brain functions start getting affected by this elevated BAC level, impacting motor control along with cognitive abilities