You can also consult your doctor to establish an appropriate dose if its determined that you dont get enough B12 from food sources
They include B1 (thiamine), B2 (riboflavin), B3 (niacin), B5 (pantothenic acid), B6 (pyridoxine), B7 (biotin), B9 (folate or folic acid), and B12 (cobalamin)
For skin-focused goals, the combination approach of injectable plus topical makes theoretical sense and receives positive anecdotal reports
Should this be a concern for people
is on the speakers bureaus of AbbVie, Alexion Pharmaceuticals, Bayer, Bristol-Myers Squibb, Chiesi Farmaceutici SpA, GMP-Orphan SAS, Norgine, Novartis, Univar, Wilson Therapeutics and Vivet Therapeutics and has received grants (to the institution) from Alexion Pharmaceuticals, Bayer, Bristol-Myers Squibb, Eisai, GMP-Orphan SAS, Novartis, Univar and Wilson Therapeutics