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However, various gauges can be used depending on the type of insulin that medical doctors will inject and the method of administration to be employed

For peptide injections like BPC-157, you'll almost always be working with high-gauge (thin) needles, typically in the 28G to 31G range

Thus, direct NAD + administration may exhibit unique effects compared to NAD + precursors and modulators, warranting further investigation, especially given the rise of wellness and anti-aging clinics offering intravenous NAD + therapy, while clinical evidence is still scarce 119

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