dihexa retracted paper controversy How Bad Is This? : r/chemistry Journal pulls paper by economist
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However, I suspect Eligen B12 is not superior to the Integrative Therapeutics product mentioned above

routine use in replete patients has limited evidence

Skin inserts were then transferred to fresh plates and isopropanol was added to each insert for formazan extraction for 2 hr

Inflammation-driven vascular changes, including swelling, decreased oxygen transport, and microthrombi, restrict nutrient and hormone precursor availability

Pre-clinical studies suggest that low B12 may contribute to fat accumulation and disrupt lipid metabolism (how the body processes and uses fats for energy and storage)[1]
