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The most common cause of vitamin B12 deficiency in the UK is pernicious anaemia, which is not related to your diet
GP probably won't be keen
What the Clinical Evidence Shows What the Clinical Evidence Shows B12 deficiency and metabolic phenotype A 2023 study of children, adolescents, and young adults found low serum B12 was associated with worse metabolic phenotype across the weight spectrum
Beneficial for cardiovascular health, autism, depression, neurological symptoms (restless legs, migraines), and prevention of certain birth defects
Researchers evaluating the best peptides for fat loss typically compare compounds across these four categories rather than searching for a single universal answer, since study designs vary by target outcome (general adipose reduction, visceral fat, or fat loss alongside lean mass preservation)
Obesity in coronary heart disease: An unaddressed behavioral risk factor
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