Taking on an empty stomach facilitates faster absorption, while taking with food may reduce mild gastrointestinal irritation
Supplement vitamin B12 properly The recommended daily intake of vitamin B12 varies for different populations: Adults: The recommended amount is 2 mcg per day
Reported, but not confirmed in a controlled study Important limits Frequency, dose link, and cause are unknown
[1] Despite being non-essential, glycine plays critical roles in normal physiology
B12 Deficiency and Dermatological Symptoms Patients with a vitamin B12 deficiency may notice dermatological symptoms such as hyperpigmentation, vitiligo, or dry, irritated skin
Reported side effects in humans Clinical experience and user reports suggest that side effects, when they occur, are generally mild