More serious deficiencies have the potential to impair heart and neurological function, leading to a wide range of serious symptoms, including but not limited to tinnitus, severe joint pain, memory problems, depression, anxiety, poor muscle function, ataxia and changes in reflexes
& Lopez, K
Wound Healing, Skin Repair, and Regeneration Research A multicenter, randomized, evaluator-blinded, placebo-controlled study in diabetic neuropathic ulcers reported greater median plantar-ulcer closure with topical glycyl-L-histidyl-L-lysine copper gel compared with vehicle, 98.5% versus 60.8%, and lower ulcer infection incidence, 7% versus 34% [3]
During freeze-drying, the peptides are gently frozen and placed under low pressure so the water turns straight from ice into vapor
However, high doses may not provide extra benefits and should be avoided
This is a fancy way of saying that your body can only make as much glutathione as it has cysteine