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B12 and B-complex injections offer a range of benefits: Improved energy and focus Enhanced mood and reduced stress Boosted metabolism Better sleep and brain function B-complex shots include a mix of essential B vitamins that support overall wellness

By Alaiyka Parvez Owner, CoLaz Aesthetics Clinic The short version B12 injections are the standard NHS treatment for proven B12 deficiency, most commonly caused by autoimmune gastritis (pernicious anaemia), some medications, gut surgery, or a long-term vegan diet without fortification

Blood Cells

In any case, we do not recommend using expired B12 injections at all

However, certain individuals cannot absorb enough through diet alone, even with adequate intake

It is also suitable for people who have had gastrointestinal surgeries (like gastric bypass) or have digestive disorders such as Crohns disease, which can impair nutrient absorption