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Description
B12 injections for weight loss begin supporting energy and metabolism soon after administration, though results vary by individual habits

Blood 117 , 38933902 (2011)

Preparation of Plasma: Blood was collected in a heparinised tube and plasma was separated by centrifugation at 1000 g for 15 min for the estimation of GGT and ALP

Holbrook et al., 2017
