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Low Vitamin B12 levels may be related to dietary patterns, age-related absorption changes, digestive conditions, certain medications, autoimmune conditions such as pernicious anemia, or limited intake of animal-based foods

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Vitamin B-6 is involved in nearly 60 enzyme systems in the body

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(6) Rapid tachyphylaxis: Continued tyramine exposure depletes releasable NE stores and replaces NE with pharmacologically weak false neurotransmitter stores, leading to diminished responsiveness despite ongoing tyramine presence

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