Foundational Phase 1: Safety & Pharmacokinetics The most critical formal study remains the PharmaCotherapia d.o.o
May increase RBC Your body needs vitamin B12 to make red blood cells (RBCs), which carry oxygen throughout your body
Pause et al., Reference Pause, Lbke, Laudien and Ferstl2010), either for the same reason or to standardise variability in olfactory functioning related to menstrual cycle stage (Martinec Novkov et al., Reference Martinec Novkov, Havlek and Roberts2014) for example, in one study, female smellers were tested only in the luteal phase of their cycle (Mutic et al., Reference Mutic, Parma, Brnner and Freiherr2016)
However, this is an area where caution is especially important
Prescription topicals: Hydroquinone, tranexamic acid, kojic acid, retinoids