1-TDC Dual Action Natural Support &ndash; Twist Off Soft Gels | Delivers 4 Major Health Benefits for Dogs & Cats | Supports Oral Health, Hip & Joint Health, Muscle & Stamina Recovery, Skin & Coat Health 1TDC is a four-in-one supplement that supports your pet's oral health, hip & joint health, stamina/muscle recovery and skin & coat health 1TDC is a proprietary blend of fatty acids derived from beef tallow, formulated into a unique fatty acid complex with extensive research supporting its effectiveness Dual Action Natural Support is made at a cGMP facility in the USA, using only human grade ingredients Dogs & cats view 1TDC as a treat due to the capsules natural beef flavor 1TDC Twist Off Soft Gels are Vet approved, economical & easy to administer to pets