Others report improved focus, reduced brain fog, or simply feeling more like themselves. The effect varies by personsome feel it right away, while others see gradual improvement with consistent treatments
Allergic reactions: Hypersensitivity to B12 or other components can manifest as urticaria, pruritus, orrarelyanaphylaxis
Postural Orthostatic Tachycardia Syndrome (POTS) and various forms of dysautonomia are characterized by the severe dysfunction of the autonomic nervous system
[1] In practice, 1 mL (which provides the full 100 mg of B and B, etc.) is a common dose for general supplementation in deficient states, but clinicians may start with lower volumes for mild deficiencies or in smaller patients
Reference: Goldstein AL et al
Understanding B vitamins Of the 13 recognized vitamins our body uses to aid in performing various functions, the B vitamins (B1-B12) are water-soluble