what is the best time to take b12 injections When Should You Get a Vitamin Injection? best time for b12 injection

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Gastrointestinal symptoms (more common with oral preparations): Mild nausea or upset stomach Diarrhoea (typically with very high doses) Other effects: Headache, particularly when treatment is first initiated Dizziness or light-headedness Skin reactions such as mild rash or itching Temporary reddish discolouration of urine (chromaturia) after hydroxocobalamin injections, which is harmless It is important to note that many symptoms attributed to B12 supplementation may actually represent the body's response to correcting a deficiency

Initially, injections may be given weekly or biweekly until levels improve, followed by maintenance doses every 1-3 months

In the STEP-4 randomized trial (Rubino and colleagues, JAMA, 2021), the 803 adults who switched to placebo at week 20 regained about 6.9 percent of body weight over the next 48 weeks, while those who continued semaglutide kept losing