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No the side effect profiles differ substantially

When vitamin B12 is taken in bypassing the gastrointestinal tract, immunologically induced skin reactions such as eczema, acne or urticaria have been observed on the one hand

STITCH: interaction networks of chemicals and proteins

Shahidi F, Vafaei-Nezhad S, Saeidi M, et al

Objective evaluations were scored according to spot ultraviolet (UV), spot polarization, skin tone, and efficacy on the medial side of the face photographed using a Janus Facial Analysis System (PIE Co., Ltd, Suwon-si, Gyeonggi-do, Korea), which uses a pigment technology system that assesses the pigment distribution objectively according to three light exposure typesnamely, normal, polarizing, and UV light