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In a double-blind, randomised controlled trial of 3680 adults with non-disabling cerebral infarction, subjects who received a combination of vitamin B 6 , vitamin B 12 , and folic acid showed moderate reduction in total homocysteine levels, but there was no effect on vascular outcomes (recurrent ischaemic stroke and coronary heart disease) during 2 years of follow-up.49 Probably a longer duration of treatment may be necessary or there may be other factors governing the clinical response
The finding that leptin deficiency in animals results in morbid obesity generated hope that exogenous administration of leptin would ameliorate obesity [11]
However, when I consistently use this in the morning and night, my hair is more dense and thicker
Physical changes like pale skin or a sore tongue, and digestive issues such as loss of appetite or constipation, may also be signs your body needs more B12