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Two common options people ask about are NAD+ and B12 injections, especially when the main goal is better energy
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Intramuscular injections are generally inconvenient due to pain and require healthcare professionals for administration, thus increasing the economic burden on patients which ultimately leads to discontinuation of the treatment
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Vitamin B complex is a generic term that refers to all 8 B vitamins: thiamine (B1), riboflavin (B2), niacin (B3), pantothenic acid (B5), pyridoxine (B6), biotin (B7), folic acid (B9), and cobalamin (B12)
Step 2 Consider additional markers if borderline Your physician may also test methylmalonic acid (MMA) and homocysteine both rise when B12 is functionally deficient at the cellular level, even when serum B12 appears near-normal
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