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By attaching a palmitic acid chain, the molecule gains lipophilicity and crosses the stratum corneum more readily

While importing or possessing prescription-only peptides without authority can lead to fines or legal penalties, enforcement is challenging in global, digital markets

Processing speed, however, must never come at the cost of compliance

Clinical Benefits of GHK-Cu 1

The results are inconclusive, but there are some promising results so far: In one small study with just 12 (healthy middle-aged non-smoker) subjects (taking either 500 or 1,000 mg per day liposomal glutathione for four weeks), there was a trend for increasing glutathione levels, although it only became significant in the 500 mg dose after two weeks, which was also the largest increase at 25%