Why People Stack Vitamin D3 With K2 and B12 Vitamin D3 and K2 Work Together Vitamin D increases calcium absorption from food, while vitamin K2 helps activate proteins involved in moving calcium into bones
Multiple strengths are available as separate variants: 2 mg per vial , 5 mg per vial and 10 mg per vial

In severe cases, adults may develop osteomalacia (soft bones), whilst children may develop rickets Fatigue and low mood : Persistent tiredness and depressive symptoms, though there is no official link definitively established between vitamin D levels and mood disorders Increased infection susceptibility : Some evidence suggests a link with recurrent respiratory infections, though clinical trial evidence is mixed and benefits appear modest Hair loss : Some observational studies have associated diffuse hair thinning with low vitamin D levels, though this relationship requires further research Vitamin B12 deficiency typically develops gradually and can cause significant neurological and haematological complications: Anaemia symptoms : Fatigue, pallor, shortness of breath, and palpitations due to megaloblastic anaemia Neurological manifestations : Paraesthesia (pins and needles), particularly in hands and feet

However, these injections will not work as well if you have a condition that interferes with your digestive systems ability to break down and absorb this vitamin
However, every drug carries some potential side effects and the same is true for cyanocobalamin also