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This review is part of a larger project, and we present this companion review, which provides a detailed examination of the literature beyond polyphenols and/or phytoestrogens for estrogen-deficient skin

Biochem Biophys Res Commun 482(4):651657

Although IV and oral acetylcysteine are equally effective for this indication, oral administration is generally poorly tolerated due to the higher dosing required to overcome its low oral bioavailability, [26] its foul taste and odor, and a higher incidence of adverse effects when taken orally, particularly nausea and vomiting

Elmets CA, Korman NJ, Prater EF, et al

Studies have concluded that astaxanthin has a positive effect on skin health and appearance, vision and eye health, physical endurance and improved metabolism, cardiovascular health, the immune system, brain health, gastrointestinal health, improved memory and mental capacity, it helps treat male infertility and stops development of cancer cells

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