For off-label anti-aging or wellness use, the answer depends on your goals and budget
Review methods: randomized placebo controlled trials of Acetyl-L-Carnitine in patients with hepatic encephalopathy assessing whether Acetyl-L-Carnitine an effective therapy or not
Patches can be worn for 24 hours, then discarded and replaced with new ones
we chose AHK-Cu for our scalp serum because we believe in using each peptide where the research suggests it performs best
Proc Natl Acad Sci USA 107:98799884 Tyagi S, Gupta P, Saini AS, Kaushal C, Sharma S (2011) The peroxisome proliferator-activated receptor: A family of nuclear receptors role in various diseases
For detailed coverage of the bioavailability research, see 5x More Bioavailable: Why Dihydroberberine is "The Better Berberine" and GlucoVantage Dihydroberberine Beats Berberine in Human Trial