Polyphenol-rich foods Polyphenols are a category of compounds naturally found in plant foodssuch as fruits, vegetables, herbs, spices (for example, turmeric and curcumin), tea, dark chocolate, wine, and anti-aging coffeethat act as antioxidants, and have been linked to a decreased risk for cardiovascular diseases such as heart attack and coronary artery disease (6)
Xie HG, Zou JJ, Hu ZY, et al
Pickart L, Freedman JH, Loker WJ, Peisach J, Perkins CM, Stenkamp RE, Weinstein B (1980) Growth-modulating plasma tripeptide may function by facilitating copper uptake into cells
You may expect horse gelatin powder to be made from horses the search results show many equine products are simply gelatin supplements fed to horses