Similar to vitamin E, some authors argue that megadoses of vitamin C may also have negative health consequences (Herbert, 1994)

Herbs and herbal extracts with well-described anti-inflammatory, vascular-stabilizing, antimicrobial, and microbiome-balancing effects may have anti-rosacea benefits, including 82,83 : Curcumin (from turmeric, Curcuma longa ) Green tea ( Camellia sinensis ) Resveratrol (from red grapes, red wine, and peanuts) Feverfew ( Tanacetum parthenium ) Chamomile ( Matricaria recutita ) Lavender ( Lavendula angustifolia ) Oat ( Avena sativa ) In one randomized controlled trial, 30 subjects with rosacea received twice-daily treatment with 2,000 mg of turmeric, an Ayuvedic multi-herb combination containing turmeric, anantamul ( Hemidesmus indicus ), manjistha ( Rubia cordifolia ), neem ( Azadirachta indica ), gotu kola ( Centella asiatica ), guduchi ( Tinospora cordifolia ), bhumyamalaki ( Phyllanthus amarus ), amalaki ( Phyllanthus emblica ), and licorice ( Glycyrrhiza glabra ), or placebo for four weeks

95% confidence interval, 1.26-1.85) after adjusting for age, gender, diabetes, hypertension, tobacco use, and hyperlipidemia
Vousden,Mitochondrial localization of TIGAR under hypoxia stimulates HK2 and lowers ROS and cell death