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A 2020 study of "wellness" B12 injections in non-deficient adults found no improvement in energy, mood, or cognitive function versus placebo at 4 weeks (Wolffenbuttel et al., Nutrients , 2020)
I do feel like my brain fog is gone, the memory lapses Ive had since surgery in 2018 when I was under anesthesia for over 5 hours
Pro tip: Especially effective when used during body recomposition phases, where fat loss and muscle gain happen simultaneously
S (Study design): Randomised controlled trials (RCTs), non-randomised controlled trials (N-RCTs), cohort studies, and case-control studies
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