A systematic review by Murphy et al in 2018 reported that individuals with Achilles tendinopathy can have improvements in symptoms and function with exercise despite no changes in tendon structure on imaging
The eczema story is interesting too
Copper is an essential trace mineral involved in numerous enzymatic reactions, including those governing: collagen crosslinking antioxidant defense connective tissue formation mitochondrial respiration When bound to copper, GHK acts as a carrier molecule that delivers bioavailable copper to cells while simultaneously triggering regenerative signaling pathways
Nicotinamide (NAM) can also be obtained in the diet from the consumption of NAD and NADP, both of which are hydrolyzed to nicotinamide within the lumen of the small intestines
Oxidant stress in healthy normal-weight, overweight, and obese individuals
180 A randomized, double-blind, placebo-controlled, multicenter trial compared the effects of MCT on memory and cognition and demonstrated that elevated serum -HB levels improved cognitive function and memory