A review of research studies shows that the average duration of B12 injection benefits is around 12 weeks
A rare case of folate deficiency-induced subacute combined degeneration
HIGH ABSORPTION B12 COMPLEX: Our upgraded B12 formula combines Methylcobalamin (6000 mcg), Adenosylcobalamin (2000 mcg), and Hydroxocobalamin (2000 mcg), along with added Folate, Vitamin D3, Vitamin K2, Omega-3, Calcium, Magnesium Glycinate, and Zinc for more complete support
A more evidence-based way to evaluate whether something is helping is to track measurable outcomes with your clinician (for example, symptoms tied to confirmed deficiency, or objective metrics like body weight, waist measurements, and lab work when appropriate)