During a 300-500 kcal daily deficit, enhanced fat oxidation translates to 24 additional pounds of fat loss over 12 weeksmeaningful when cutting down for competition or aesthetic goals

Other groups who may benefit include: Patients following gastric surgery (gastrectomy, bariatric procedures) where intrinsic factor production or absorption sites are compromised Individuals with malabsorption disorders such as Crohn's disease, coeliac disease, or chronic pancreatitis Strict vegans and vegetarians with dietary insufficiency, though oral supplementation is usually tried first Elderly patients with atrophic gastritis or reduced gastric acid production Patients on long-term metformin or proton pump inhibitors, which can impair B12 absorption [6] [8] Individuals with nitrous oxide exposure (recreational or medical), which can cause functional B12 deficiency Diagnosis typically involves serum B12 measurement, with levels below approximately 148 pmol/L (though thresholds vary between laboratories) generally indicating deficiency
[DOI] [PMC free article] [PubMed] [Google Scholar] 17.Cannon A., Handelsman Y., Heile M., Shannon M
PubMed Lu H, Wei M, Zhai Y, et al
[44] The Thin Line
A study published in Cureus reported that Ashwagandha administration markedly reduced sleep onset latency, enhanced sleep efficiency, and prolonged overall sleep duration among individuals with insomnia [75]