In double-blind, placebo-controlled trials, daily application of GHK-Cu cream at 3% concentration for 12 weeks produced a 70% increase in skin collagen thickness as measured by ultrasound imaging, a 40% increase in skin elasticity, and visible reduction in fine lines and wrinkles
Adding 1 mL gives 5 mg/mL and adding 2 mL gives 2.5 mg/mL
The most important step is to drink in moderation, generally limiting oneself to no more than one standard drink per hour
There is some good news when it comes to heel pain: plantar fasciitis generally responds well to conservative, non-surgical treatment, including stretching exercises, medications, padding and strapping, orthotic devices, night splints, and physical therapy
The upper limit, or the maximum amount, you should have in any given day, is 2,000 mg