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doi: 10.3390/antiox10122004 253

In rat experiments, a decrease in phylloquinone (vitamin K 1 ) and menaquinone-4 (a form of vitamin K 2 ) concentrations in extra-hepatic tissues was found in animals administered excess -tocopherol via the diet or by subcutaneous injection

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This pH-adaptive stability spans both physiological skin acidity (pH 46) and the alkaline extremes (pH 79) typical for chronic wounds, confirming the ability of D-CuP to maintain structural integrity under pathological conditions

There are also not that many products that contain it: spinach, avocados, asparagus and okra are the best sources

J Aerosol Med Pulm Drug Deliv 2018