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For general wellness or anti-aging purposes, many protocols use about 50-100 mg of NAD+ per injection, given a few times per week

Liquid B12 breaks down when exposed to light, so avoid storing it in transparent ampules or syringes

Important limitation: Neither is FDA-approved, and human clinical data relies heavily on animal models and observational reports

Individuals who have elevated levels of oxidative stress

The FDA lists BPC-157 among bulk drug substances used in compounding that present significant safety risks, which limits routine compounding and prescription access in the United States

For example, GSH non-enzymatic can reduce glutaredoxin-2 (GLRX2) and TXNRD can also reduce it with no enough GSH