This combination is available in the form of creams, serum and also effervescent drinks which makes it easier for the user
Vitamin C (particularly L-ascorbic acid) functions best in a highly acidic environment (pH 3.0-3.5), while retinol remains stable and effective in a slightly acidic to neutral environment (pH 5.5-6.5)
10.1016/0022-510x(93)90166-v 184 UboguE
Another hypothesis, proposed by the authors, was that ketone metabolism might be more related to non-motor symptoms, which the results seem to reflect
doi: 10.3390/nu16172825 165
72,106,107,108,109,110 UA endowed with hydrophilic antioxidant properties which can exert a protective influence against Alzheimers disease and Parkinsons disease, while hyperuricemia could potentially worsen vascular dementia, encompassing conditions such as stroke and small vessel cerebrovascular disease