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Because B12 plays a key role in energy production and neurotransmitter support, consistent levels help you feel more alert and motivated throughout the day

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Ethics statement Ethical approval was not required for the studies on humans in accordance with the local legislation and institutional requirements because only commercially available established cell lines were used

Promotes healthy skin, hair and nails

Gut absorption issues Even Indians who eat eggs or dairy may have impaired B12 absorption

Some UK product information leaflets (SmPCs) for B12 preparations do mention skin reactions as potential side effects, though not all specifically list acne