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However, because folate, riboflavin, and vitamin B-6 deficiencies result in elevations of tHcy, as do renal insufficiency and hypothyroidism, it is not a specific biomarker for B12 status especially in populations with poor micronutrient status
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Neurological and Mood Support May assist in management of brain fog , mild depression , and neuropathy Supports mood regulation and mental clarity in high-stress individuals Effective in post-bariatric surgery recovery and nutrient repletion 4

You can also make dietary changes to help reverse vitamin B12 deficiency: Adjust your diet by eating more animal products like meat, seafood, dairy, and eggs, which can help boost your r vitamin B12 levels

Effect of vitamin B12 on the symptom severity and psychological profile of fibromyalgia patients