how long does it take b12 injection to kick in This Is Takes For A Vitamin Start Working Feeling worse after B12 Injection:

Targeted nutrients

This injection is typically administered into the muscle, allowing for quick absorption and sustained effects

If its borderline (commonly 200-350 pg/mL depending on the lab), measure methylmalonic acid (MMA) or homocysteine to detect functional deficiency

Now you may be thinking wait, but the lack of collagen is why my skin is thin

Still, many find that the long-term benefits of better health, energy, and appearance outweigh the drawbacks

An example of this might be clear + brilliant laser treatment to remove the spots you have, plus tranexamic acid prescription to use everyday, plus sunscreen used daily