Both before bed, separate syringes
Pros of B12 Injections: Guaranteed delivery into the body Effective for severe deficiency Long history of medical use Less frequent dosing (weekly or monthly) Cons of B12 Injections: Requires medical appointments or self-injection Can be painful and cause injection site reactions Risk of infection or bruising More expensive over time Inconvenient for travel Anxiety or fear of needles Usually uses cyanocobalamin (less bioavailable form) Understanding B12 Oral Sprays Sublingual B12 sprays deliver the vitamin under your tongue, where it's absorbed directly into your bloodstream through the mucous membrane
Why the off phase matters: continuous dosing flattens pituitary response over time
14461454, May 2008
The hormonal environment that supported fat loss and metabolic improvement slowly returns to its pre-treatment baseline
Sikiric P, Skrtic A, Gojkovic S, Krezic I, Zizek H, Lovric E, Sikiric S, Knezevic M, Strbe S, Milavic M, Kokot A, Blagaic AB, Seiwerth S