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For those without an absorption problem, research suggests that high-dose oral B12 supplements can be as effective as injections in raising and maintaining B12 levels

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A clinical study estimated that 85% of patients come up short of the necessary vitamin B12 from their meals

There are over 70 markers on the organic acids test including vitamins and antioxidants, oxidative stress, energy production, detoxification, neurotransmitter levels, oxalates, and intestinal yeast and bacteria

Gut Microbiome & Systemic Health: The gut microbiome plays a critical role in digestive, immune, metabolic, and neuroendocrine functions