Yes Milk thistle and dandelion root.
You can assist detoxification of the liver by removing all processed food (kibble) and treats (i.e. milkbones or any starch laden anything)...if you are giving any type of "jerky" treat even if said made in the USA...NO more. Includes chicken, duck, sweet potato
You should look NEM as joint supplement. Very effective and fast acting.
Curcumin (95% standardized extract of turmeric) for inflammation. Boswellia is also used along side of curcumin and is noted for rheumatoid arthritis (autoimmune)
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