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Moreover, some NAD + precursors have shown side effects, such as the use of NA at certain doses that might be limited due to skin flushing or induction of insulin resistance 332,333
Higher concentrations may increase results but also increase irritation risk
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Do not exceed the suggested daily dose
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Weak Immune Function: L Carnitine has been linked to immune system modulation, and a deficiency may contribute to a weakened immune response
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