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Why trials are inconclusive for weight Many studies mix populations, use different doses, or add other supplements

A private blood test confirms your deficiency, establishes a baseline and allows us to monitor your response to treatment

Conversely, some studies show that a deficiency in vitamin B12 may cause appetite loss, potentially leading to weight loss if left untreated ( If youre low or deficient in B12, your healthcare provider will likely recommend oral vitamin B12 supplements or injections to increase your blood levels ( summary Low levels of vitamin B12 can cause megaloblastic anemia, which is characterized by shortness of breath, headaches, and fatigue

Digestive upset or urinary concerns