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this prevents metabolic bottlenecks that might occur if one B vitamin is lacking
Prez de la Lastra et al., 2021)
Alpha BRAINs 2015 research study showed it improved verbal memory recall in young adults, but a separate study on mood, stress, and marksmanship in soldiers showed it made no difference in cognitive performance.6 7 Neither study looked at long-term use or its effects on older adults or people struggling with cognition
The two are complementary in research
The right amount of B12 shots depends on your needs and your doctors recommendations
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