This summary information comes from Fass (Baxter, Meda, Organon Sweden, Recip AB and Takeda Pharma).
The use of vitamins is not considered to have any environmental impact.
Fass environmental information from Baxter, Meda, Organon Sweden, Recip AB och Takeda Pharma (downloaded 2021-06-24)
According to the European Medicines Agency guideline on environmental risk assessments for pharmaceuticals (EMA/CHMP/SWP/4447/00) vitamins, electrolytes, amino acids, peptides, proteins, carbohydrates, lipids proteins, vaccines and herbal medicinal products are exempted because they are unlikely to result in significant risk to the environment.
Author: Health and Medical Care Administration, Region Stockholm