Natural Dog Supplements. Crossway Cottage Natural Pet Remedies Ltd is the leading UK producer of natural food supplements and natural ingredient remedies for Dogs & Cats. Our brand provides a complete range including Omega 369 and Cod liver oils for essential fatty acids. Joint, Bone & Cartilage support for active, Old and arthritic dogs, Curcumin based anti inflammatories for pain relief. Pre & Probiotics & Essential Enzymes for improved immunity, bowls & digestion. Multivitamins for health & vitality. Our products are made from all natural ingredients in the UK to GMP (Good Manufacturing Practice) and ISO 9001 standards. Crossway Cottage Natural Pet Remedies products are formulated and used by professional groomers, breeders and pet nutritionists to provide pet owners with high quality supplements, vitamins, minerals, botanicals, oils, and nutrients for their pets health.