Testing is available, but the symptoms of depletion (fatigue, brain fog, frequent illness, slow recovery) are common enough that most adults benefit from support
Interaction of Glutathione with Hydrogen Peroxide: A Kinetic Model
Users maintaining excellent sun protection, adequate moisturization, healthy diet supporting collagen synthesis (adequate protein, vitamin C, copper from foods), sufficient sleep, stress management, and avoidance of collagen-damaging habits (smoking, excessive alcohol) preserve treatment gains better than users with suboptimal skincare and lifestyle creating ongoing skin stress overwhelming GHK-Cu induced improvements
What makes this remarkable is that not a single one of these athletes receives financial compensation to use Immunotec products
Stop Permanently When You've tried reduced dosing, proper storage, quality sources, and supportive measures without improvement
HELIOCARE products protect the skin with the patented active ingredient Fernblock, a highly effective extract from the South American fern Polypodium leucotomos