Shiitake mushrooms add a range of minerals and vitamins, especially copper and vitamin B5. These medicinal mushrooms also contain antioxidants, among them the amino acid ergothioneine, the subject of much research as a natural and 'adaptive' antioxidant).
Astragalus contains astragalans which are polysaccharide constituents that stimulate white blood cells production,T-cells, killer cells and antibodies in a fashion that helps maintain and restore the immune system.
Medicinal mushrooms are reported to have antimicrobial, anti-inflammatory, cardiovascular-protective, antidiabetic, hepatoprotective, and anticancer properties. It is well-established that mushrooms are adept at immune modulation and affect immature red blood cells, lymphocytes, macrophages, T cells, dendritic cells (DCs), and natural killer (NK) cells. All that medical jargon aside, the bottomline is that both reishi and maitake have been used extensively in cancer treatment in humans and mice.
Ashwagandha (Withania somnifera) is one of the adaptogen herbs that is known to have anti-inflammatory, immune-modulatory, anti-arthritic and anti-ageing properties. It’s a good source of natural antioxidants such as flavonoids and polyphenols and consumption of ashwagandha may contribute substantial amounts of antioxidants to the diet. It’s also been shown to have a beneficial effect on dogs with liver dysfunction.