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The B12-producing bacteria that used to populate our soils have been depleted through modern agricultural techniques, meaning that even grazing livestock is unlikely to get enough B12 for us to absorb efficiently by consuming animal-derived food
A 2022 randomized controlled trial looked at the effect of weight loss on fertility and found that a significant weight loss improved sperm parameters
Boost your metabolism and energy with Vitamin B12 injections
Romeu M, Aranda N, Giralt M, Ribot B, Nogues MR, Arija V
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