Patience and consistency matter more than dose tweaking or adding more compounds
Heres how that plays out in real life: Efficient Oxygen Delivery Supports healthy red blood cells for efficient oxygen delivery, helping you feel clear, steady, and active
Vitamin B12 Injections for Pernicious Anaemia: UK Treatment Guide Pernicious anaemia is an autoimmune condition that prevents the body from absorbing vitamin B12 due to a lack of intrinsic factor, a protein essential for B12 uptake in the gut
Fortified cereals These days, almost all cereals are fortified with nutrients, so theyre a great source of plant-based B12
Olasupo Odunsi, MD, Medical Director Reviewed July 5, 2026 If you're constantly tired and your metabolism feels stuck, low B12 could be part of the problem