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Oral B12 (given sublingually) MB12 liquid The research used 500 mcg per day Although B12 is a very safe vitamin, always be on the lookout for these symptoms when using high doses: Headache Nausea and vomiting Diarrhea Fatigue or weakness Tingling sensation in hands and feet Possible explanations for elevated B12 (without supplementation) in the blood SIBO (Small Intestine Bacterial Overgrowth) SIBO may cause very elevated levels of B12 in the blood
Substances that promote the breakdown and export of fat from liver cells
David Sinclair notes in his work: "NAD+ is pivotal for sirtuins and aging reversal
Observe for rare allergic reactions and ensure follow-up labs
elevation suggests contamination or mislabeled product) Clinical Research Findings A comprehensive safety and tolerability analysis evaluated approximately 900 participants across six randomized, double-blind, placebo-controlled trials conducted between 2001-2006
